43 results on '"Weir BW"'
Search Results
2. Uncovering patterns of HIV risk through multiple housing measures.
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Weir BW, Bard RS, O'Brien K, Casciato CJ, and Stark MJ
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- 2007
3. Structural Influences on Methamphetamine Use Among Black Sexual Minority Men (HISTORY Study): Protocol for a Longitudinal Cohort Study.
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Opara SCO, Linton SL, Weir BW, Crawford ND, Holland DP, Newman A Jr, Bullock M, Reed MO, Dutta S, Doraivelu K, Stephens C, Smith JC, Mui Y, and Hussen SA
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- Adult, Humans, Male, Middle Aged, Young Adult, Amphetamine-Related Disorders epidemiology, Amphetamine-Related Disorders psychology, Amphetamine-Related Disorders ethnology, Cohort Studies, Georgia, Longitudinal Studies, Black or African American psychology, Methamphetamine, Sexual and Gender Minorities psychology
- Abstract
Background: Sexual minority men are disproportionately affected by methamphetamine use, with recent studies suggesting an increase in use specifically among Black sexual minority men. Black sexual minority men face unique structural barriers to achieving optimal health. Given its harmful effects, and in light of existing health disparities, an increase in methamphetamine use among Black sexual minority men poses a significant public health concern., Objective: The Health Impacts and Struggles to Overcome the Racial Discrimination of Yesterday (HISTORY) study is investigating the potential impacts of exposure to the census tract-level structural racism and discrimination (SRD) on methamphetamine use among Black sexual minority men in Atlanta, Georgia, and will identify intervention targets to improve prevention and treatment of methamphetamine use in this population., Methods: This study uses a mixed methods and multilevel design over a 5-year period and incorporates participatory approaches. Individual-level quantitative data will be collected from a community-based cohort of Black sexual minority men (N=300) via periodic assessment surveys, ecological momentary assessments, and medical record abstractions. Census tract-level measures of SRD will be constructed using publicly available administrative data. Qualitative data collection will include longitudinal, repeated in-depth interviews with a subset (n=40) of study participants. Finally, using a participatory group model-building process, we will build on our qualitative and quantitative data to generate causal maps of SRD and methamphetamine use among Black sexual minority men, which in turn will be translated into actionable recommendations for structural intervention., Results: Enrollment in the HISTORY study commenced in March 2023 and is anticipated to be completed by November 2024., Conclusions: The HISTORY study will serve as a crucial background upon which future structural interventions can be built, to mitigate the effects of methamphetamine use and SRD among Black sexual minority men., International Registered Report Identifier (irrid): DERR1-10.2196/63761., (©Samuel C O Opara, Sabriya L Linton, Brian W Weir, Natalie D Crawford, David P Holland, Antonio Newman Jr, McKinsey Bullock, Marcus O Reed, Srija Dutta, Kamini Doraivelu, Charles Stephens, Justin C Smith, Yeeli Mui, Sophia A Hussen. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 31.10.2024.)
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- 2024
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4. Projected Impact of Replacing Juice With Whole Fruit in Early Care and Education.
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Zaltz DA, Weir BW, Neff RA, and Benjamin-Neelon SE
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Introduction: The purpose of this study was to simulate potential changes in dietary intake and food costs by replacing juice with whole fruit among children ages 1-5 years attending U.S. early care and education settings between 2008 and 2020., Methods: Estimated mean changes in daily intake of calories, sugar, fiber, calcium, vitamin C and overall food costs under plausible scenarios of replacing juice with whole fruit. Researchers fit hierarchical regression with children nested within early care and education nested within studies, adjusting for potential confounders., Results: The sample consisted of 6,304 days of direct observation (90% aged 2 years or older, 51% female, 38% Black/African American) in 846 early care and education facilities (73% centers, 75% Child and Adult Care Food Program participants). Replacing juice with whole fruit would reduce energy intake by 8.2-27.3 kcal/day, reduce sugar by 3.4-5.6 g/d, increase fiber by 0.5-1.3 g/d, and have negligible impact on vitamin C and calcium. Replacing juice with whole fruit in early care and education would increase per-child daily food costs between $0.44 and 0.49, representing an increase from 3.8% for juice to approximately 9.8%-10.7% for whole fruit as a percent of total food costs., Conclusions: Replacing juice with whole fruit in early care and education would result in increased fiber intake and decreased sugar and calories. A policy to replace juice with whole fruit in early care and education would likely cause an increased daily food cost and given the potential broad benefit of this dietary intervention, there may be reason to expand funding within nutrition assistance programs in early care and education., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
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- 2024
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5. Predictors of future overdose among people who inject drugs in Baltimore, Maryland.
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Ramirez MP, Lucas GM, Page KR, Zook K, Landry M, Rosecrans A, Harris R, Grieb SM, Falade-Nwulia O, Clarke W, Sherman SG, and Weir BW
- Abstract
Background: Longitudinal studies of future overdose risk among people who inject drugs (PWID) are needed to inform planning of targeted overdose preventions in the United States., Methods: The Integrating Services to Improve Treatment and Engagement (INSITE) study followed 720 PWID between June 2018 and August 2019 to evaluate the delivery of mobilized healthcare services in Baltimore, Maryland. The present analyses used logistic regression to identify baseline characteristics predictive of non-fatal or fatal overdose during the 6-month follow-up among 507 participants with overdose information. Non-fatal overdoses were self-reported and fatal overdoses were identified through the National Death Index., Results: At baseline, 121 (23 %) reported an overdose in the prior 6 months. Between baseline and follow-up, 66 (13 %) participants reported a non-fatal overdose and 6 (1 %) experienced a fatal overdose. Overdose during follow-up was positively associated with overdose in the 6 months prior to baseline (6.70 aOR; 95 % CI: 3.51, 12.78) and more than 6 months prior to baseline (2.49 aOR; 95 % CI: 1.52, 4.08) versus no prior overdose. Overdose during follow-up was also positively associated with buprenorphine treatment (2.37 aOR; CI: 1.08, 5.21) and negatively associated with non-prescribed methadone at baseline (0.59 aOR; 0.38, 0.93)., Conclusions: Identifying and intervening with PWID who experienced a recent overdose could reduce short-term elevated risk of future overdose. However, as other PWID reported never experiencing an overdose at baseline nonetheless experienced an overdose during follow-up, targeted approaches should be complemented with population-level interventions. Overdose risk implications of buprenorphine treatment and non-prescribed methadone are also discussed., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors.)
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- 2024
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6. Lessons Learned Implementing Syringe Services Programs at Rural Health Departments in Kentucky.
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Allen ST, Reid M, Harris SJ, Tomko C, Glick JL, Weir BW, Smith KC, and Grieb SM
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- Humans, Kentucky, Interviews as Topic, Harm Reduction, Qualitative Research, Female, Male, Substance Abuse, Intravenous epidemiology, HIV Infections prevention & control, Adult, Needle-Exchange Programs organization & administration, Rural Health Services organization & administration, Rural Population
- Abstract
Until recently, most syringe services programs (SSPs) in the United States operated in metropolitan areas. This study explores how SSP implementers at rural health departments in Kentucky secured support for SSP operations. In late 2020, we conducted in-depth, semi-structured interviews with 18 people involved with rural SSP implementation in Kentucky. Participants were asked to reflect on their experiences building support for SSP operations among rural health department staff and community members. Participants reported that attitudes and beliefs about SSP implementation among rural health department staff shifted quickly following engagement in educational activities and interaction with SSP clients. Participants explained that successful SSP implementation at rural health departments required sustained educational activities among community members and authorizing authorities. Future work should explore how rural communities may advocate for low-threshold and evidence-based policies that support the provision of harm reduction services., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2024
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7. Expectations of preventative benefits and risk behaviors in a randomized trial evaluating oral HIV preexposure prophylaxis candidates.
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Sugarman J, Weir BW, Dun C, Gulick RM, Wilkin TJ, Mayer KH, McCauley M, and Weinfurt KP
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- Humans, Male, Adult, Female, Homosexuality, Male psychology, Health Knowledge, Attitudes, Practice, Administration, Oral, Sexual Behavior, Middle Aged, HIV Infections prevention & control, Pre-Exposure Prophylaxis methods, Risk-Taking, Anti-HIV Agents therapeutic use, Anti-HIV Agents administration & dosage
- Abstract
When participants enrolled in an HIV prevention trial hold a preventive misconception (PM) - expectations that experimental interventions will confer protection from HIV infection - they may engage in behaviors that increase their risk of acquiring HIV. This can raise ethical concerns about whether those enrolled in the trial understand the nature of participation and their safety. Consequently, we systematically evaluated the prevalence of PM and its association with risk behaviors in a trial examining three candidate regimens for oral HIV pre-exposure prophylaxis in which all participants received at least one antiretroviral agent. Overall, trial participants exhibited relatively high preventive expectations that may be associated with an increase in risk behaviors among men who have sex with men. In addition, we identified substantial site variability in PM that necessitates future research to uncover its source. This will allow appropriate measures to be taken to mitigate PM and help ensure that participants have an accurate understanding of the potential risks and benefits of trial participation throughout the course of a trial.
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- 2024
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8. Integrated care van delivery of evidence-based services for people who inject drugs: A cluster-randomized trial.
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Page KR, Weir BW, Zook K, Rosecrans A, Harris R, Grieb SM, Falade-Nwulia O, Landry M, Escobar W, Ramirez MP, Saxton RE, Clarke WA, Sherman SG, and Lucas GM
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- Humans, Female, Male, Adult, Baltimore, HIV Infections, Middle Aged, Delivery of Health Care, Integrated, Buprenorphine, Naloxone Drug Combination therapeutic use, Narcotic Antagonists therapeutic use, Harm Reduction, Mobile Health Units, Hepatitis C, Evidence-Based Practice, Substance Abuse, Intravenous, Needle-Exchange Programs
- Abstract
Background and Aims: People who inject drugs (PWID) are at risk for adverse outcomes across multiple dimensions. While evidence-based interventions are available, services are often fragmented and difficult to access. We measured the effectiveness of an integrated care van (ICV) that offered services for PWID., Design, Setting and Participants: This was a cluster-randomized trial, which took place in Baltimore, MD, USA. Prior to randomization, we used a research van to recruit PWID cohorts from 12 Baltimore neighborhoods (sites), currently served by the city's mobile needle exchange program., Intervention and Comparator: We randomized sites to receive weekly visits from the ICV (n = 6) or to usual services (n = 6) for 14 months. The ICV offered case management; buprenorphine/naloxone; screening for HIV, hepatitis C virus and sexually transmitted infections; HIV pre-exposure prophylaxis; and wound care., Measurements: The primary outcome was a composite harm mitigation score that captured access to evidence-based services, risk behaviors and adverse health events (range = 0-15, with higher numbers indicating worse status). We evaluated effectiveness by comparing changes in the composite score at 7 months versus baseline in the two study arms., Findings: We enrolled 720 cohort participants across the study sites (60 per site) between June 2018 and August 2019: 38.3% women, 72.6% black and 85.1% urine drug test positive for fentanyl. Over a median of 10.4 months, the ICV provided services to 734 unique clients (who may or may not have been cohort participants) across the six intervention sites, including HIV/hepatitis C virus testing in 577 (78.6%) and buprenorphine/naloxone initiation in 540 (74%). However, only 52 (7.2%) of cohort participants received services on the ICV. The average composite score decreased at 7 months relative to baseline, with no significant difference in the change between ICV and usual services (difference in differences: -0.31; 95% confidence interval: -0.70, 0.08; P = 0.13)., Conclusions: This cluster-randomized trial in Baltimore, MD, USA, found no evidence that weekly neighborhood visits from a mobile health van providing injection-drug-focused services improved access to services and outcomes among people who injected drugs in the neighborhood, relative to usual services. The van successfully served large numbers of clients but unexpectedly low use of the van by cohort participants limited the ability to detect meaningful differences., (© 2024 Society for the Study of Addiction.)
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- 2024
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9. High PrEP uptake, adherence, persistence and effectiveness outcomes among young Thai men and transgender women who sell sex in Bangkok and Pattaya, Thailand: findings from the open-label combination HIV prevention effectiveness (COPE) study.
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Weir BW, Wirtz AL, Chemnasiri T, Baral SD, Decker M, Dun C, Hnin Mon SH, Ungsedhapand C, Dunne EF, Woodring J, Pattanasin S, Sukwicha W, Thigpen MC, Varangrat A, Warapornmongkholkul A, O'Connor S, Ngo JP, Qaragholi N, Sisel HI, Truong JM, Janyam S, Linjongrat D, Sriplienchan S, Sirivongrangson P, Rooney JF, Sullivan P, Chua-Intra B, Hickey AC, and Beyrer C
- Abstract
Background: Daily oral pre-exposure prophylaxis (PrEP) is effective in preventing HIV infection, but no study has evaluated combination prevention interventions with PrEP for transgender women (TGW) and men who have sex with men (MSM) who sell sex., Methods: The Combination Prevention Effectiveness (COPE) study was a community-based, non-randomized implementation study in Bangkok and Pattaya, Thailand. Participants were HIV-negative MSM and TGW aged 18-26 years who reported exchanging sex with men in the prior 12 months and who met 2014 U.S. Public Health Service PrEP eligibility criteria. The intervention included quarterly HIV testing, semiannual testing for sexually transmitted infections, provision of condoms with lubricant, and the opportunity to initiate or end daily oral PrEP use at any time during study participation. Participants taking PrEP received monthly adherence counseling and short message service reminders. The primary outcome was HIV incidence rate ratio (IRR) on PrEP vs. not on PrEP. Secondary outcomes were PrEP initiation, PrEP use at 12 months, and PrEP adherence., Findings: From October 2017 to August 2019, 846 participants were enrolled: 531 (62.8%) immediately initiated PrEP; 104 (12.3%) subsequently initiated PrEP, and 211 (24.9%) never initiated PrEP. Among those initiating PrEP within 30 days of enrollment; 85.9% were on PrEP at the 12-months. When taking PrEP, participants reported adherent PrEP use at 94.2% of quarterly assessments. Ten HIV seroconversions occurred without PrEP use (incidence rate [IR] = 3.42 per 100 person-years [PY]; 95% CI = 1.64-6.30), while zero cases occurred with PrEP use (IR = 0.0 per 100PY; 95% CI = 0.0-0.62), with IRR = 0.0 (95% CI = 0.0-0.22; p < 0.001)., Interpretation: Young Thai MSM and TGW who exchange sex can have high PrEP uptake, persistence and adherence, and low HIV incidence when offered in supportive community-based settings., Funding: U.S. National Institute of Allergy and Infectious Diseases; Centers for Disease Control and Prevention., Competing Interests: The study was supported by an R01 from NIAID, NIH (1R01AI118505-01A1) and the CDC Division of HIV Prevention. The study drug, Truvada®, was manufactured and donated by Gilead Sciences, Inc. Gilead Sciences, Inc. had no role in the design of the study nor in the interpretation of study results. The findings and conclusions presented in this paper are those of the authors and do not necessarily represent the views of the NIH, the US CDC, or 10.13039/100007197U.S. Public Health Service. Patrick Sullivan reports support from NIH, CDC, Merck, Gilead Sciences, ViiV Healthcare, Molecular Testing Labs, and Elsevier. James F. Rooney reports support from Gilead Sciences. Rest of the authors declare no competing interests., (© 2023 The Author(s).)
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- 2023
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10. The changing epidemiology of opioid overdose in Baltimore, Maryland, 2012-2017: insights from emergency medical services.
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Dun C, Allen ST, Latkin C, Knowlton A, and Weir BW
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- Analgesics, Opioid therapeutic use, Baltimore epidemiology, Humans, Male, Naloxone therapeutic use, Drug Overdose drug therapy, Drug Overdose epidemiology, Emergency Medical Services, Opiate Overdose
- Abstract
Introduction: An estimated 100,306 people died from an overdose from May 2020 to April 2021. Emergency Medical Services (EMS) are often the first responder to opioid overdose, and EMS encounter records can provide granular epidemiologic data on opioid overdose. This study describes the demographic, temporal, and geographic epidemiology of suspected opioid overdose in Baltimore City using data from Baltimore City Fire Department EMS encounters with the administration of the opioid antagonist naloxone., Method: The present analyses used patient encounter data from 2012 to 2017 from the Baltimore City Fire Department, the city's primary provider of EMS services. The analytic sample included patient encounters within the city that involved naloxone administration to patients 15 years of age or older ( n = 20,592). Negative binomial regression was used to calculate the incidence rates based on demographic characteristics, year, and census tract. Choropleth maps were used to show the geographic distribution of overdose incidence across census tracts in 2013, 2015, and 2017., Results: From 2012 to 2017, the annual number of EMS encounters with naloxone administrations approximately doubled every 2 years, and the temporal pattern of naloxone administration was similar to the pattern of fatal opioid-related overdoses. For most census tracts, incidence rates significantly increased over time. Population-based incidence of naloxone administration varied significantly by socio-demographic characteristics. Males, non-whites, and those 25-69 years of age had the highest incidence rates., Conclusion: The incidence of naloxone administration increased dramatically over the study period. Despite significant cross-sectional variation in incidence across demographically and geographically defined groups, there were significant proportional increases in incidence rates, consistent with fatal overdose rates over the period. This study demonstrated the value of EMS data for understanding the local epidemiology of opioid-related overdose. Key MessagesPatterns of EMS encounters with naloxone administration appear to be an excellent proxy for patterns of opioid-related overdoses based on the consistency of fatal overdose rates over time.EMS plays a central role in preventing fatal opioid-related overdoses through the administration of naloxone, provision of other emergency services, and transportation to medical facilities.EMS encounters with naloxone administration could also be used to evaluate the impact of overdose prevention interventions and public health services.
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- 2022
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11. Applications of research evidence during processes to acquire approvals for syringe services program implementation in rural counties in Kentucky.
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Allen ST, Grieb SM, Glick JL, White RH, Puryear T, Smith KC, Weir BW, and Sherman SG
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- Humans, Kentucky, Needle-Exchange Programs, Rural Population, Substance Abuse, Intravenous, Syringes
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Introduction: Despite decades of empirical research in the US and internationally documenting the benefits of implementing syringe services programs (SSPs), their implementation may be controversial in many jurisdictions. Better understanding how research evidence is applied during SSP implementation processes may enable the public health workforce to advocate for program scale up. This study explores applications of research evidence during processes to acquire approvals for SSP implementation in rural counties in Kentucky., Methods: In-depth interviews were conducted among eighteen stakeholders (e.g. health department directors, SSP operators) involved in SSP implementation in rural Kentucky counties. Stakeholders were asked to describe the contexts surrounding SSP implementation processes. Interviews were transcribed and analysed for applications of research evidence. Research evidence-related quotes were subsequently categorised based on the typologies for applications of research evidence developed by Weiss et al. (instrumental, conceptual, and symbolic) and a fourth category for instances when research evidence was not used., Results: Instrumental applications of research evidence occurred at the intrapersonal and interpersonal levels to dispel concerns about SSPs and formed the basis for implementation support. SSP proponents used research evidence in a conceptual manner to address underlying attitudes and beliefs that were not evidence-based. Participants reported symbolic research evidence applications to justify pre-existing attitudes and beliefs about meeting the public health needs of people who inject drugs. Lastly, in some instances, research evidence was met with scepticism and an unwillingness to consider its merits., Conclusion: Applications of research evidence during SSP implementation approval processes in rural Kentucky counties were heterogeneous in nature. Better understanding the diversity of ways in which research evidence may be employed during SSP implementation processes may support efforts to improve the public health of people who inject drugs.Key messagesApplications of research evidence during SSP implementation approval processes in rural Kentucky counties were heterogeneous in nature.Instrumental applications of research evidence occurred at the intrapersonal and interpersonal levels to dispel concerns about SSPs and formed the basis for implementation support.SSP proponents used research evidence in a conceptual manner to address underlying attitudes and beliefs that were not evidence-based.
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- 2022
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12. Diverse contexts and social factors among young cisgender men and transgender women who sell or trade sex in Bangkok and Pattaya, Thailand: formative research for a PrEP program implementation study.
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Truong JM, Chemnasiri T, Wirtz AL, Mon SHH, Varangrat A, Decker M, Janyam S, Linjongrat D, Sirivongrangson P, Hickey AC, Weir BW, and Beyrer C
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- Male, Humans, Female, Homosexuality, Male, Social Factors, Thailand epidemiology, HIV Infections epidemiology, HIV Infections prevention & control, HIV Infections drug therapy, Transgender Persons, Anti-HIV Agents therapeutic use, Sexual and Gender Minorities, Pre-Exposure Prophylaxis
- Abstract
HIV incidence is high and persistent among cisgender men who have sex with men (MSM) and transgender women (TGW) who have sex with men, particularly among those who sell or trade sex. In preparation for an open-label combination HIV pre-exposure prophylaxis (PrEP) program for these groups, we conducted formative research to explore the context of sex work/trade and factors that affect implementation of PrEP interventions. This study analyzed interviews with 20 young (aged 18-26 years) MSM and TGW who sell/trade sex and three sex work venue managers in Bangkok and Pattaya, Thailand. Participants described diverse contexts of sex work/trade, including in multiple informal and formal sex venues. Several participants reported mobility across provinces and out of the country, which led to intermittent sex work/trade. TGW sex workers reported challenges with access and cost of femininizing hormones and limited employment opportunities. Factors that could facilitate or challenge PrEP program implementation included HIV stigma, the role of venue management in sexual health practice, lack of PrEP knowledge, lower perceived HIV risk, and interest in personal health and wellbeing. Program implementers must consider myriad factors to successfully implement PrEP among young MSM and TGW engaged in sex work or trade in Thailand.
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- 2022
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13. Transactional sex, HIV and health among young cisgender men and transgender women who have sex with men in Thailand.
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Weir BW, Dun C, Wirtz AL, Mon SHH, Qaragholi N, Chemnasiri T, Pattanasin S, Sukwicha W, Varangrat A, Dunne EF, Holtz TH, Janyam S, Jin H, Linjongrat D, Mock PA, Thigpen MC, Rooney JF, Sullivan PS, Hickey AC, Sirivongrangson P, and Beyrer C
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- Female, Homosexuality, Male, Humans, Male, Thailand epidemiology, HIV Infections epidemiology, HIV Infections prevention & control, Sexual and Gender Minorities, Sexually Transmitted Diseases epidemiology, Transgender Persons
- Abstract
Purpose: To examine how recent sex work is identified and the HIV risk factors and service needs among Thai cisgender men who have sex with men (MSM) and transgender women (TGW) who exchange sex., Methods: MSM and TGW in Bangkok and Pattaya who exchanged sex in the last year (n = 890) were recruited through social media, outreach, and word-of-mouth. Recent sex exchange was based on the primary question, "In the last 30 days, have you sold or traded sex"; secondary questions (regarding income source and client encounters) were also investigated., Results: Overall, 436 (48%) participants engaged in sex work in the last 30 days; among those, 270 (62%) reported exchanging sex by the primary question, and 160 (37%) based on secondary questions only. Recent sex exchange was associated with gonorrhea, syphilis, discussing PrEP with others, and using condoms, alcohol, methamphetamine, amyl nitrate, and Viagra. Exchanging sex based on secondary questions only was associated with being in a relationship, social media recruitment, less recent anal intercourse, and not discussing PrEP., Conclusions: Thai MSM and TGW who exchange sex need regular access to HIV/STI prevention, testing, and treatment services, and multiple approaches to assessing sex work will help identify and serve this diverse and dynamic population., (Copyright © 2022. Published by Elsevier Inc.)
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- 2022
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14. Exploring the impact of the COVID-19 pandemic on syringe services programs in rural Kentucky.
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Glick JL, Grieb SM, Harris SJ, Weir BW, Smith KC, Puryear T, Hamilton White R, and Allen ST
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- Female, Humans, Kentucky epidemiology, Male, Needle-Exchange Programs, Pandemics prevention & control, Rural Population, Syringes, COVID-19, Substance Abuse, Intravenous epidemiology
- Abstract
Background: The coronavirus pandemic (COVID-19) exacerbated risks for adverse health consequences among people who inject drugs by reducing access to sterile injection equipment, HIV testing, and syringe services programs (SSPs). Several decades of research demonstrate the public health benefits of SSP implementation; however, existing evidence primarily reflects studies conducted in metropolitan areas and before the COVID-19 pandemic., Objectives: We aim to explore how the COVID-19 pandemic affected SSP operations in rural Kentucky counties., Methods: In late 2020, we conducted eighteen in-depth, semi-structured interviews with persons (10 women, 8 men) involved in SSP implementation in rural Kentucky counties. The interview guide broadly explored the barriers and facilitators to SSP implementation in rural communities; participants were also asked to describe how COVID-19 affected SSP operations., Results: Participants emphasized the need to continue providing SSP-related services throughout the pandemic. COVID-19 mitigation strategies (e.g., masking, social distancing, pre-packing sterile injection equipment) limited relationship building between staff and clients and, more broadly, the pandemic adversely affected overall program expansion, momentum building, and coalition building. However, participants offered multiple examples of innovative solutions to the myriad of obstacles the pandemic presented., Conclusion: The COVID-19 pandemic impacted SSP operations throughout rural Kentucky. Despite challenges, participants reported that providing SSP services remained paramount. Diverse adaptative strategies were employed to ensure continuation of essential SSP services, demonstrating the commitment and ingenuity of program staff. Given that SSPs are essential for preventing adverse injection drug use-associated health consequences, further resources should be invested in SSP operations to ensure service delivery is not negatively affected by co-occurring crises., (© 2022. The Author(s).)
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- 2022
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15. Syringe Coverage Among People Who Inject Drugs in West Virginia, USA.
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Allen ST, White RH, O'Rourke A, Schneider KE, Weir BW, Lucas GM, Kilkenny ME, and Sherman SG
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- Humans, Needle-Exchange Programs, Syringes, West Virginia epidemiology, HIV Infections epidemiology, HIV Infections prevention & control, Pharmaceutical Preparations, Substance Abuse, Intravenous epidemiology
- Abstract
Ensuring people who inject drugs (PWID) have ≥ 100% sterile syringe coverage (i.e., persons have access to a sterile syringe for all injections) is optimal for HIV prevention. Existing syringe coverage literature is informative, yet little work has examined syringe coverage among PWID in rural communities. Using data from a 2018 PWID population estimation study conducted in a rural county in West Virginia, we used logistic regression to identify correlates of adequate sterile syringe coverage (at least 100%). A minority (37%) of PWID reported having adequate syringe coverage. Factors inversely associated with adequate syringe coverage included having recently (past 6 months): engaged in transactional sex work, shared syringes, and injected fentanyl. Having exclusively acquired syringes from a syringe services program was associated with increased odds of adequate syringe coverage. Rural PWID may benefit from tailored interventions designed to increase sterile syringe access., (© 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2021
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16. Racial differences in overdose training, naloxone possession, and naloxone administration among clients and nonclients of a syringe services program.
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Jones AA, Park JN, Allen ST, Schneider KE, Weir BW, Hunt D, and Sherman SG
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- Adolescent, Adult, Cross-Sectional Studies, Humans, Male, Naloxone therapeutic use, Narcotic Antagonists therapeutic use, Race Factors, Syringes, Young Adult, Drug Overdose drug therapy, Substance Abuse, Intravenous drug therapy
- Abstract
Objective: To evaluate racial (Black/White) differences in overdose response training and take-home naloxone (THN) possession and administration among clients and nonclients of the Baltimore syringe service program (SSP)., Methods: The study derived data from a cross-sectional survey of 263 (183 SSP clients, 80 nonclients) people who inject drugs (PWID). The study recruited SSP clients using targeted sampling and recruited nonclients through peer referral from April to November 2016., Results: In our sample, 61% of the participants were Black, 42% were between the ages of 18 and 44, and 70% were males. SSP clients, regardless of race, were more likely to have received overdose response training than Black nonclients (Black clients AOR: 3.85, 95% CI: 1.88, 7.92; White clients AOR: 2.73, 95% CI: 1.29, 5.75). The study found no significant differences in overdose response training between Black and White nonclients. SSP clients and White nonclients were more likely to possess THN than Black nonclients (Black clients: AOR: 4.21, 95% CI: 2.00, 8.87; White clients: AOR: 3.54, 95% CI: 1.56, 8.04; White nonclients AOR: 4.49, 95% CI: 1.50,13.47)., Conclusion: SSP clients were more likely to receive overdose response training than their nonclient peers who they referred to the study, illustrating the utility of SSPs in reaching PWID at high risk of overdose. We also observed that Black PWID, who did not access services at the SSP, were the least likely to possess THN, suggesting the need to employ outreach targeting Black PWID who do not access this central harm reduction intervention., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2021
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17. Alcohol outlets, drug paraphernalia sales, and neighborhood drug overdose.
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Nesoff ED, Milam AJ, Morrison C, Weir BW, Branas CC, Furr-Holden DM, Knowlton AR, and Martins SS
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- Alcohol Drinking, Alcoholic Beverages, Cross-Sectional Studies, Humans, Drug Overdose epidemiology, Pharmaceutical Preparations
- Abstract
Background: Alcohol outlets have been associated with various forms of injury and may contribute to neighborhood disparities in drug overdose. Few studies have examined the associations between alcohol outlets and drug overdose. This study investigated whether alcohol outlets were associated with the neighborhood drug overdose rate and whether the sale of drug paraphernalia contributes to this association., Methods: A cross-sectional ecological spatial analysis was conducted within census block groups in Baltimore City (n = 653). Outcomes were counts of EMS calls for any drug overdose in 2015 (n = 3,856). Exposures of interest were counts of alcohol outlets licensed for off-premise and on-premise consumption and the proportion of off-premise outlets selling drug paraphernalia (e.g., blunt wrappers, baggies, pipes). Negative binomial regression was used to assess the relationship between outlet count and overdose rate, and if paraphernalia sales altered this relationship, controlling for other neighborhood factors. Spatial autocorrelation was assessed and regression inference adjusted accordingly., Results: Each additional off-premise alcohol outlet was associated with a 16.6% increase in the neighborhood overdose rate (IRR=1.17, 95%CI=(1.11, 1.23)), adjusted for other neighborhood variables. On-premise alcohol outlets were not significantly associated with overdose rate when adjusting for off-premise alcohol outlets (IRR=1.01, 95% CI=(0.97, 1.06)). The proportion of off-premise outlets that sold drug paraphernalia was negatively associated with overdose rate (IRR=0.55, 95% CI=(0.41, 0.74)) and did not alter the relationship between off-premise outlets and overdose., Conclusion: This study provides preliminary public health evidence for informing policy decisions about alcohol outlet licensing and zoning. Alcohol outlets could be potential community partners for harm reduction strategies such as health communication in identifying overdose symptoms or Good Samaritan Laws., Competing Interests: Declarations of Interest The authors have no possible competing interests to declare, including any direct or indirect connections with the alcohol, gambling, tobacco, or pharmaceutical industries., (Copyright © 2021 Elsevier B.V. All rights reserved.)
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- 2021
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18. Food access among people who inject drugs in West Virginia.
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Rouhani S, Allen ST, Whaley S, White RH, O'Rourke A, Schneider KE, Kilkenny ME, Weir BW, and Sherman SG
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- Cross-Sectional Studies, Female, Humans, West Virginia epidemiology, Drug Overdose, HIV Infections, Pharmaceutical Preparations, Substance Abuse, Intravenous drug therapy, Substance Abuse, Intravenous epidemiology
- Abstract
Background: The substance use epidemic in the United States continues to drive high levels of morbidity and mortality, particularly among people who inject drugs (PWID). Poor access to food often co-occurs with drug use and contributes to associated sequelae, such as risks for HIV and diabetes. The objective of this study was to examine factors associated with adequate food access among PWID in a rural Appalachian community., Methods: Cross-sectional surveys were used to collect data among PWID aged 18 and older in Cabell County, West Virginia. Frequency of hunger and sociodemographic, structural and drug use characteristics were measured. Adequate food access was defined as reporting 'never' going to bed hungry at night in the past six months. Pearson's χ
2 and t-tests and multivariable logistic regression were used to identify factors associated with food access., Results: Only 71 individuals (17%) reported never going to bed hungry at night in the past six months. Adjusted odds of having adequate food access were higher among PWID who completed high school (aOR 2.94; P = 0.010) and usually used drugs alone (aOR 1.97; P = 0.025), and lower among PWID who were female (aOR 0.51; P = 0.037), experienced homelessness (aOR 0.23, P < 0.001), were recently arrested (aOR 0.50 P = 0.047), and engaged in receptive sharing of injection equipment (aOR 0.52, P = 0.035)., Conclusions: We found extremely low food access in a population of PWID in Appalachia who are vulnerable to overdose and infectious disease transmission. Integrated interventions promoting food access are needed to improve the public health and wellbeing of people who inject drugs in Appalachia., (© 2021. The Author(s).)- Published
- 2021
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19. Engagement in drug treatment following nonfatal overdose among people who inject drugs in Appalachia.
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Allen ST, Wedlock PT, White RH, Schneider KE, O'Rourke A, Ahmad NJ, Weir BW, Kilkenny ME, and Sherman SG
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- Aged, Appalachian Region epidemiology, Buprenorphine, Naloxone Drug Combination therapeutic use, Humans, Infant, Rural Population, Drug Overdose epidemiology, Substance Abuse, Intravenous drug therapy, Substance Abuse, Intravenous epidemiology
- Abstract
Background: Immediately after experiencing a non-fatal overdose, many people who inject drugs (PWID) engage in harm-minimizing behavior change, including engagement in drug treatment. To inform the implementation of tailored interventions designed to facilitate drug treatment engagement in rural communities, we sought to identify correlates of starting any form of drug treatment after their most recent overdose among PWID who reside in a rural county in West Virginia., Methods: Data are from a PWID population estimation study in Cabell County, West Virginia. We used multivariable logistic regression to identify independent sociodemographic and substance use-related correlates of any form of drug treatment engagement after an overdose among 179 PWID who had overdosed in the past 6 months., Results: One-third of our sample (33.0%) started any form of drug treatment in the 30 days following their most recent overdose. Factors associated with engaging in drug treatment included: recent buprenorphine or Suboxone injection (aOR: 2.39, 95% CI: 1.15, 4.96), someone calling 911 after their most recent overdose (aOR: 3.29, 95% CI: 1.63, 6.65), and older age (aOR per year of age: 0.95, 95% CI: 0.91, 0.99)., Conclusions: Our results suggest that contact with emergency personnel after an overdose may represent an important opportunity to link PWID to drug treatment. The implementation of response teams trained in linking PWID to the services they require and helping persons navigate treatment systems maybe be a valuable intervention to reduce the harms of the opioid overdose crisis., Competing Interests: Declarations of Interest Dr. Susan G. Sherman is an expert witness for plaintiffs in opioid litigation. No other authors have competing interests to disclose., (Copyright © 2021 Elsevier B.V. All rights reserved.)
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- 2021
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20. Prevalence and correlates of receptive syringe-sharing among people who inject drugs in rural Appalachia.
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White RH, O'Rourke A, Kilkenny ME, Schneider KE, Weir BW, Grieb SM, Sherman SG, and Allen ST
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- Adult, Appalachian Region epidemiology, Cross-Sectional Studies, Female, Humans, Male, Prevalence, Socioeconomic Factors, Syringes statistics & numerical data, West Virginia epidemiology, Needle Sharing statistics & numerical data, Rural Population statistics & numerical data, Substance Abuse, Intravenous epidemiology
- Abstract
Background and Aims: Syringe-sharing significantly increases the risk of HIV and viral hepatitis acquisition among people who inject drugs (PWID). Clearer understanding of the correlates of receptive syringe-sharing (RSS) is a critical step in preventing bloodborne infectious disease transmission among PWID in rural communities throughout the United States. This study aimed to measure the prevalence and correlates of RSS among PWID in a rural county in Appalachia., Design: Observational, cross-sectional sample from a capture-recapture parent study., Setting: Cabell County, West Virginia (WV), USA, June-July 2018., Participants: The sample was restricted to people who reported injecting drugs in the past 6 months (n = 420). A total of 180 participants (43%) reported recent (past 6 months) RSS. Participants reported high levels of homelessness (56.0%), food insecurity (64.8%) and unemployment (66.0%)., Measurements: The main outcome was recent re-use of syringes that participants knew someone else had used before them. Key explanatory variables of interest, selected from the risk environment framework, included: unemployment, arrest and receipt of sterile syringes from a syringe services program (SSP). Logistic regression was used to determine correlates of recent RSS., Findings: PWID reporting recent RSS also reported higher prevalence of homelessness, food insecurity and unemployment than their non-RSS-engaging counterparts. In adjusted analyses, correlates of RSS included: engagement in transactional sex work [adjusted odds ratio (aOR) = 2.27, 95% confidence interval (CI) = 1.26-4.09], unemployment (aOR = 1.67, 95% CI = 1.03-1.72), number of drug types injected (aOR = 1.33, 95% CI = 1.15-1.53) and injection in a public location (aOR = 2.59, 95% CI = 1.64-4.08). Having accessed sterile syringes at an SSP was protective against RSS (aOR = 0.57, 95% CI = 0.35-0.92)., Conclusion: The prevalence of receptive syringe-sharing among people who inject drugs in a rural US county appears to be high and comparable to urban-based populations. Receptive syringe-sharing among people who inject drugs in a rural setting appears to be associated with several structural and substance use factors, including unemployment and engaging in public injection drug use. Having recently acquired sterile syringes at a syringe services program appears to be protective against receptive syringe sharing., (© 2020 Society for the Study of Addiction.)
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- 2021
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21. Knowledge of Good Samaritan Laws and Beliefs About Arrests Among Persons Who Inject Drugs a Year After Policy Change in Baltimore, Maryland.
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Schneider KE, Park JN, Allen ST, Weir BW, and Sherman SG
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- Adolescent, Adult, Baltimore epidemiology, Drug Overdose epidemiology, Female, Harm Reduction, Health Knowledge, Attitudes, Practice, Humans, Male, Middle Aged, Opioid-Related Disorders epidemiology, Substance Abuse, Intravenous, Young Adult, Drug Overdose psychology, Drug Users legislation & jurisprudence, Drug Users psychology, Law Enforcement, Opioid-Related Disorders psychology
- Abstract
Objectives: Delivering and receiving prompt medical care during an overdose are imperative to ensure survival. Good Samaritan laws encourage people to call 911 during an overdose by providing immunity from selected drug arrests (eg, low-level possession). However, it is unclear whether persons who inject drugs (PWID) are aware of and understand these laws and their implications. We examined awareness among PWID of the 2015 Good Samaritan law in Maryland and their beliefs about whether they could be arrested for calling 911 or having an overdose., Methods: We surveyed 298 PWID in Baltimore, Maryland. We estimated the proportion who knew what the Good Samaritan law addressed and who believed they could be arrested for calling 911 or overdosing. We used a multivariate model to assess the association between harm-reduction services and knowledge of the Good Samaritan law or beliefs about getting arrested for calling 911 or overdosing., Results: Of PWID, 56 of 298 (18.8%) knew what the Good Samaritan law addressed, 43 of 267 (16.1%) believed they could be arrested for calling 911, and 32 of 272 (11.8%) believed they could be arrested for having an overdose. After adjusting for demographic characteristics, accessing the syringe services program was associated with accurate knowledge and the belief that PWID could be arrested for calling 911; however, training in overdose reversal was not associated., Conclusions: Most PWID were unaware of the Good Samaritan law; this lack of awareness is a barrier to preventing overdose deaths. Educating PWID about Good Samaritan laws is essential, and such education should include police to ensure that law enforcement is congruent with Good Samaritan laws and does not perpetuate mistrust between police and PWID.
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- 2020
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22. Factors associated with chronic pain and non-medical opioid use among people who inject drugs.
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Bicket MC, Park JN, Torrie A, Allen ST, Weir BW, and Sherman SG
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- Adolescent, Adult, Black or African American, Age Factors, Baltimore epidemiology, Buprenorphine, Buprenorphine, Naloxone Drug Combination, Chronic Pain drug therapy, Chronic Pain ethnology, Female, Ill-Housed Persons, Humans, Male, Middle Aged, Needle-Exchange Programs, Odds Ratio, Prevalence, Risk Factors, White People statistics & numerical data, Young Adult, Analgesics, Opioid, Arthritis epidemiology, Chronic Pain epidemiology, Cocaine-Related Disorders epidemiology, Heroin Dependence epidemiology, Opioid-Related Disorders epidemiology, Substance Abuse, Intravenous epidemiology
- Abstract
Introduction: Despite rising morbidity and mortality from the opioid epidemic and other addictions, people who inject drugs (PWID) remain understudied regarding pain outcomes. Data among PWID regarding chronic pain and drug use, including non-medical use of opioids, is largely unknown. We examined the prevalence of chronic pain and drug use for pain in this population., Methods: Standardized surveys captured self-report of demographics, chronic pain, and non-prescription drug use in 203 PWID in an urban syringe services program between April and November 2016. Chronic pain was defined as self-report of chronic pain diagnosis or persistent pains over the past 6 months., Results: Overall, 47% (95% CI, 40%-54%) of PWID reported chronic pain, while 35% (95% CI, 29%-42%) reported non-prescription drug use of any type for pain. Among those with chronic pain, drug use to treat pain was commonly reported (76%; 95% CI, 66%-83%). Non-medical opioid use did not differ among PWID with or without chronic pain or drug use for pain. A multivariable logistic regression model showed chronic pain was more likely among non-Hispanic whites and those with arthritis, older age, and homelessness., Conclusions: Chronic pain serves as an important factor in the persistence of drug use in more than one-third of PWID in this sample. The high prevalence of chronic pain with drug use for pain suggests that proper pain management is likely to be an essential component of preventing or regressing injection drug use in PWID, with data needed on effective interventions for this population., (Copyright © 2019. Published by Elsevier Ltd.)
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- 2020
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23. Testing the Effectiveness and Cost-Effectiveness of a Combination HIV Prevention Intervention Among Young Cisgender Men Who Have Sex With Men and Transgender Women Who Sell or Exchange Sex in Thailand: Protocol for the Combination Prevention Effectiveness Study.
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Wirtz AL, Weir BW, Mon SHH, Sirivongrangson P, Chemnasiri T, Dunne EF, Varangrat A, Hickey AC, Decker MR, Baral S, Okanurak K, Sullivan P, Valencia R, Thigpen MC, Holtz TH, Mock PA, Cadwell B, Adeyeye A, Rooney JF, and Beyrer C
- Abstract
Background: Pre-exposure prophylaxis (PrEP) is highly effective in the prevention of HIV acquisition, particularly for men who have sex with men (MSM). Questions remain on the benefits of PrEP and implementation strategies for those at occupational risk of HIV acquisition in sex work, as well as on methods to support adherence among young people who initiate PrEP., Objective: The Combination Prevention Effectiveness study for young cisgender MSM and transgender women (TGW) aims to assess the effectiveness and cost-effectiveness of a combination intervention among HIV-uninfected young MSM and TGW engaged in sex work in Thailand., Methods: This open-label, nonrandomized assessment compares the relative effectiveness of a combination prevention intervention with and without daily oral emtricitabine and tenofovir disoproxil fumarate (Truvada) PrEP with SMS-based adherence support. HIV-uninfected young MSM and TGW aged 18 to 26 years in Bangkok and Pattaya who self-report selling/exchanging sex at least once in the previous 12 months are recruited by convenience sampling and peer referral and are eligible regardless of their intent to initiate PrEP. At baseline, participants complete a standard assessment for PrEP eligibility and may initiate PrEP then or at any time during study participation. All participants complete a survey and HIV testing at baseline and every 3 months. Participants who initiate PrEP complete monthly pill pickups and may opt-in to SMS reminders. All participants are sent brief weekly SMS surveys to assess behavior with additional adherence questions for those who initiated PrEP. Adherence is defined as use of 4 or more pills within the last 7 days. The analytic plan uses a person-time approach to assess HIV incidence, comparing participant time on oral PrEP to participant time off oral PrEP for 12 to 24 months of follow-up, using a propensity score to control for confounders. Enrollment is based on the goal of observing 620 person-years (PY) on PrEP and 620 PY off PrEP., Results: As of February 2019, 445 participants (417 MSM and 28 TGW) have contributed approximately 168 PY with 95% (73/77) retention at 12 months. 74.2% (330/445) of enrolled participants initiated PrEP at baseline, contributing to 134 PY of PrEP adherence, 1 PY nonadherence, and 33 PY PrEP nonuse/noninitiation. Some social harms, predominantly related to unintentional participant disclosure of PrEP use and peer stigmatization of PrEP and HIV, have been identified., Conclusions: The majority of cisgender MSM and TGW who exchange sex and participate in this study are interested in PrEP, report taking sufficient PrEP, and stay on PrEP, though additional efforts are needed to address community misinformation and stigma. This novel multilevel, open-label study design and person-time approach will allow evaluation of the effectiveness and cost-effectiveness of combination prevention intervention in the contexts of both organized sex work and exchanged sex., International Registered Report Identifier (irrid): RR1-10.2196/15354., (©Andrea L Wirtz, Brian Wilson Weir, Sandra Hsu Hnin Mon, Pachara Sirivongrangson, Tareerat Chemnasiri, Eileen F Dunne, Anchalee Varangrat, Andrew C Hickey, Michele R Decker, Stefan Baral, Kamolnetr Okanurak, Patrick Sullivan, Rachel Valencia, Michael C Thigpen, Timothy H Holtz, Philip A Mock, Betsy Cadwell, Adeola Adeyeye, James F Rooney, Chris Beyrer, Combination Prevention Effectiveness (COPE) Study Team. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 27.01.2020.)
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- 2020
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24. Patterns of polysubstance use and overdose among people who inject drugs in Baltimore, Maryland: A latent class analysis.
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Schneider KE, Park JN, Allen ST, Weir BW, and Sherman SG
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- Adolescent, Adult, Baltimore epidemiology, Cocaine-Related Disorders psychology, Drug Overdose drug therapy, Drug Overdose psychology, Female, Harm Reduction, Heroin Dependence psychology, Ill-Housed Persons, Humans, Latent Class Analysis, Male, Middle Aged, Naloxone therapeutic use, Narcotic Antagonists therapeutic use, Patient Education as Topic, Prevalence, Public Health, Socioeconomic Factors, Substance Abuse, Intravenous psychology, Substance-Related Disorders psychology, Young Adult, Drug Overdose epidemiology, Substance Abuse, Intravenous epidemiology, Substance-Related Disorders epidemiology
- Abstract
Background: Opioid-related overdose rates continue to climb. However, little research has examined the reach of overdose education and naloxone trainings among people who inject drugs (PWID). Understanding gaps in coverage is essential to improving the public health response to the ongoing crisis., Methods: We surveyed 298 PWID in Baltimore City, MD. We conducted a latent class analysis of drug use indicators and tested for differences by class in past month overdose, having received overdose training, and currently having naloxone., Results: Three classes emerged: cocaine/heroin injection (40.2%), heroin only injection (32.2%), and multi-drug/multi-route use (27.6%). The prevalence of past month overdose differed marginally by class (p = 0.06), with the multi-drug/multi-route use class having the highest prevalence (22.5%) and the heroin only class having the lowest (4.6%). The prevalence of previous overdose training differed significantly by class (p = 0.02), with the heroin/cocaine class (76.5%) having more training than the other two classes. Training was least common amongst the multi-drug/multi-route class (60.3%), though not statistically different from the heroin only class (63.0%). Classes did not differ significantly in current naloxone possession, although the multi-drug/multi-route class exhibited the lowest prevalence of naloxone possession (37.2%)., Conclusions: People who inject multiple substances are at high risk for overdose and are also the least likely to receive overdose trainings. The current service landscape does not adequately reach individuals with high levels of structural vulnerability and high levels of drug use and homelessness. Actively including this subgroup into harm reduction efforts are essential for preventing overdose fatalities., (Copyright © 2019 Elsevier B.V. All rights reserved.)
- Published
- 2019
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25. PrEP awareness, eligibility, and interest among people who inject drugs in Baltimore, Maryland.
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Sherman SG, Schneider KE, Park JN, Allen ST, Hunt D, Chaulk CP, and Weir BW
- Subjects
- Adolescent, Adult, Baltimore epidemiology, Cross-Sectional Studies, Female, HIV Infections psychology, Humans, Male, Middle Aged, Substance Abuse, Intravenous psychology, Young Adult, Awareness, HIV Infections epidemiology, HIV Infections prevention & control, Pre-Exposure Prophylaxis methods, Substance Abuse, Intravenous epidemiology, Substance Abuse, Intravenous therapy
- Abstract
Background: Limited research has examined pre-exposure prophylaxis (PrEP) interest among people who inject drugs (PWID). To date, few studies have examined the relationship between PrEP eligibility and PrEP interest among PWID., Methods: Data were from an anonymous, cross-sectional survey of Baltimore Syringe Services Program (SSP) clients and non-client peers, restricted to HIV-uninfected participants (N = 265). Participants were classified as PrEP eligible/ineligible based on injection related criteria outlined in the CDC's PrEP guidelines. Participants were asked if they were previously aware of PrEP, would be interested in taking PrEP, and the ease of taking PrEP daily. Participants self-reported their sociodemographic characteristics, health diagnoses, and recent drug use, overdose, and drug treatment history. We estimated bivariate and multivariate logistic regression models to test for significant predictors of interest in PrEP., Results: One-quarter of PWID had previously heard of PrEP and 63% of the sample was interested in taking PrEP. Only two respondents were currently taking PrEP. The majority (89%) thought taking PrEP every day would be easy. In the presence of other variables, PrEP interest was associated with PrEP eligibility (adjusted odds ratio [aOR] = 2.46; 95% Confidence Interval [CI]:1.34,4.50) and the number of medical diagnoses (aOR = 1.16; 95% CI:1.01,1.33) CONCLUSIONS: Most PWID were unaware of PrEP but interested in taking it. PWID who were eligible for PrEP are more likely to be interested in taking it. Having co-morbid conditions was an important correlate of PrEP interest. These results underscore the importance of providers across the healthcare sector engaging PWID in discussions about PrEP., (Copyright © 2018 Elsevier B.V. All rights reserved.)
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- 2019
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26. Cost-Utility of Access to Care, a National HIV Linkage, Re-engagement and Retention in Care Program.
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Maulsby C, Jain KM, Weir BW, Enobun B, Werner M, Riordan M, and Holtgrave DR
- Subjects
- Anti-HIV Agents therapeutic use, Cost-Benefit Analysis methods, Epidemics, HIV Infections economics, HIV Infections epidemiology, Humans, United States, Anti-HIV Agents economics, Community Health Services economics, Continuity of Patient Care economics, Cost-Benefit Analysis economics, HIV Infections drug therapy, Health Care Costs statistics & numerical data, Health Services Accessibility economics
- Abstract
Linkage to HIV medical care and on-going engagement in HIV medical care are vital for ending the HIV epidemic. However, little is known about the cost-utility of HIV linkage, re-engagement and retention (LRC) in care programs. This paper presents the cost-utility analysis of Access to Care, a national HIV LRC program. Using standard methods from the US Panel on Cost-Effectiveness in Health and Medicine, we calculated the cost-utility ratio. Seven Access to Care programs were cost-effective and two were cost-saving. This study adds to a small but growing body of evidence to support the cost-effectiveness of LRC programs.
- Published
- 2018
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27. Cost and Threshold Analysis of the FinishIt Campaign to Prevent Youth Smoking in the United States.
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Weir BW, Cantrell J, Holtgrave DR, Greenberg MS, Kennedy RD, Rath JM, Hair EC, and Vallone D
- Subjects
- Adolescent, Humans, Smoking Prevention methods, United States, Young Adult, Cost-Benefit Analysis, Health Care Costs statistics & numerical data, Health Expenditures statistics & numerical data, Health Promotion economics, Quality-Adjusted Life Years, Smoking Prevention economics
- Abstract
In 2014, Truth Initiative launched the national FinishIt campaign to prevent smoking initiation among youth and young adults. The significant changes in the communications landscape requires further analysis to determine resource requirements for public education campaigns relative to their impact. This analysis estimates the cost of the FinishIt campaign based on data from expenditure records and uses published estimates of the lifetime treatment costs and quality-adjusted life years associated with smoking. The total cost of the FinishIt campaign for 2014⁻2016 was $162 million. Under assumptions associated with the pessimistic base-case (no medical care costs saved through prevention), 917 smoking careers would need to be averted for the campaign to be cost-effective. Assuming smoking leads to increased medical care costs, 7186 smoking careers would need to be averted for the campaign to be cost-saving. Given these thresholds (917 and 7186) and the estimate of the impact of the previous truth campaign, the investments in the Truth Initiative's FinishIt campaign are likely warranted for preventing smoking careers among youth and young adults.
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- 2018
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28. Fentanyl-contaminated drugs and non-fatal overdose among people who inject drugs in Baltimore, MD.
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Park JN, Weir BW, Allen ST, Chaulk P, and Sherman SG
- Subjects
- Adolescent, Adult, Age Distribution, Aged, Baltimore epidemiology, Drug Contamination, Female, Humans, Male, Middle Aged, Opioid-Related Disorders epidemiology, Prevalence, Risk Factors, Sex Distribution, Substance Abuse, Intravenous epidemiology, Young Adult, Analgesics, Opioid poisoning, Drug Overdose epidemiology, Fentanyl poisoning
- Abstract
Background: The opioid crisis remains a major public health issue in the US and beyond. Despite rapid rises in fentanyl-related mortality nationally, little is known about the role of fentanyl in the occurrence of non-fatal overdose among people who use drugs. We examined the prevalence of non-fatal overdose and perceived fentanyl exposure among syringe services program (SSP) clients and modeled the correlates of non-fatal overdose., Methods: Data were drawn from a cross-sectional survey of 203 SSP clients in Baltimore, MD recruited in 2016. Logistic regression models were used to identify the correlates of experiencing non-fatal overdose in the past 12 months., Results: The majority (65%) was male, 52% were black, 41% were white, and 37% were homeless. Almost all (97%) used heroin, 64% injected heroin with cocaine (i.e., speedball), and many used other types of drugs. Half (53%) perceived fentanyl presence in their drugs either half, most or all of the time. Lifetime and past 12 month prevalence of non-fatal overdose were 58 and 31%, respectively. Independent correlates of non-fatal overdose in the past 12 months were perceiving fentanyl in drugs more than half the time (aOR = 2.79; 95% CI = 1.00-4.68), speedball injection (aOR = 2.80, 95% CI = 1.26-6.23), non-prescription buprenorphine use (aOR = 6.37; 95% CI = 2.86-14.17), and homelessness (aOR = 3.07; 95% CI = 1.28-7.39)., Conclusions: These data demonstrate that SSP clients are at high-risk of overdose, some of which is likely attributable to fentanyl exposure. Addressing the rising fentanyl epidemic will require comprehensive and innovative strategies that attend to drug use patterns and structural factors such as homelessness.
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- 2018
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29. Safe and unsafe spaces: Non-fatal overdose, arrest, and receptive syringe sharing among people who inject drugs in public and semi-public spaces in Baltimore City.
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Hunter K, Park JN, Allen ST, Chaulk P, Frost T, Weir BW, and Sherman SG
- Subjects
- Adult, Baltimore epidemiology, Female, Humans, Male, Middle Aged, Risk-Taking, Young Adult, Drug Overdose epidemiology, Law Enforcement, Needle Sharing statistics & numerical data, Public Facilities statistics & numerical data, Substance Abuse, Intravenous psychology
- Abstract
The spaces in which drug use occurs constitutes a key aspect of the "risk environment" of people who inject drugs (PWID). We aimed to add nuance to the characterization of "safe" and "unsafe" spaces in PWID's environments to further understand how these spaces amplify the risk of morbidities associated with injection drug use. PWID were recruited through the Baltimore City syringe service program and through peer referral. Participants completed a socio-behavioral survey. Multivariable logistic regression was used to identify associations between utilization of public, semi-public and private spaces with arrest, non-fatal overdose, and receptive syringe sharing. The sample of PWID (N = 283) was mostly 45 years and older (54%), male (69%), Black (55%), and heroin users (96%). Compared to PWID who primarily used private settings, the adjusted odds of recent overdose were greater among PWID who mostly used semi-public and public locations to inject drugs. We also found independent associations between arrest and semi-public spaces, and between receptive syringe sharing and public spaces (all p < 0.05). This study highlights the need for safe spaces where PWID can reduce their risk of overdose, likelihood of arrest and blood-borne diseases, and the dual potential of the environment in promoting health and risk., (Copyright © 2018 Elsevier B.V. All rights reserved.)
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- 2018
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30. Relationship Between Weekly Patterns of Caloric Intake and Reported Weight Loss Outcomes: Retrospective Cohort Study.
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Hill C, Weir BW, Fuentes LW, Garcia-Alvarez A, Anouti DP, and Cheskin LJ
- Abstract
Background: Although millions of overweight and obese adults use mobile phone apps for weight loss, little is known about the predictors of success., Objective: The objective of this study was to understand the relationship between weight loss outcomes and weekly patterns of caloric intake among overweight and obese adults using a mobile phone app for weight loss., Methods: We examined the relationship between weekly patterns of caloric intake and weight loss outcomes among adults who began using a weight loss app in January 2016 and continued consistent use for at least 5 months (N=7007). Unadjusted and adjusted linear regression analyses were used to evaluate the predictors of percentage of bodyweight lost for women and men separately, including age, body mass index category, weight loss plan, and difference in daily calories consumed on weekend days (Saturday and Sunday) versus Monday., Results: In adjusted linear regression, percentage of bodyweight lost was significantly associated with age (for women), body mass index (for men), weight loss plan, and differences in daily caloric intake on Mondays versus weekend days. Compared with women consuming at least 500 calories more on weekend days than on Mondays, those who consumed 50 to 250 calories more on weekend days or those with balanced consumption (±50 calories) lost 1.64% more and 1.82% more bodyweight, respectively. Women consuming 250 to 500 calories or more than 500 calories more on Mondays than on weekend days lost 1.35% more and 3.58% more bodyweight, respectively. Compared with men consuming at least 500 calories more on weekend days than on Mondays, those consuming 250 to 500 calories or more than 500 calories more on Mondays than on weekend days lost 2.27% and 3.42% less bodyweight, respectively., Conclusions: Consistent caloric intake on weekend days and Mondays or consuming slightly fewer calories per day on Mondays versus weekend days was associated with more successful weight loss., Trial Registration: ClinicalTrials.gov NCT03136692; https://clinicaltrials.gov/ct2/show/NCT03136692 (Archived by WebCite at http://www.webcitation.org/6y9JvHya4)., (©Christine Hill, Brian W Weir, Laura W Fuentes, Alicia Garcia-Alvarez, Danya P Anouti, Lawrence J Cheskin. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 16.04.2018.)
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- 2018
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31. Mitigating the heroin crisis in Baltimore, MD, USA: a cost-benefit analysis of a hypothetical supervised injection facility.
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Irwin A, Jozaghi E, Weir BW, Allen ST, Lindsay A, and Sherman SG
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- Baltimore epidemiology, Cost-Benefit Analysis, Drug Overdose mortality, Drug Overdose prevention & control, HIV Infections economics, HIV Infections prevention & control, Harm Reduction, Hepatitis C economics, Hepatitis C prevention & control, Heroin Dependence complications, Humans, Models, Organizational, Opiate Substitution Treatment economics, Public Health, Heroin Dependence economics, Heroin Dependence therapy, Needle-Exchange Programs economics, Needle-Exchange Programs organization & administration
- Abstract
Background: In Baltimore, MD, as in many cities throughout the USA, overdose rates are on the rise due to both the increase of prescription opioid abuse and that of fentanyl and other synthetic opioids in the drug market. Supervised injection facilities (SIFs) are a widely implemented public health intervention throughout the world, with 97 existing in 11 countries worldwide. Research has documented the public health, social, and economic benefits of SIFs, yet none exist in the USA. The purpose of this study is to model the health and financial costs and benefits of a hypothetical SIF in Baltimore., Methods: We estimate the benefits by utilizing local health data and data on the impact of existing SIFs in models for six outcomes: prevented human immunodeficiency virus transmission, Hepatitis C virus transmission, skin and soft-tissue infection, overdose mortality, and overdose-related medical care and increased medication-assisted treatment for opioid dependence., Results: We predict that for an annual cost of $1.8 million, a single SIF would generate $7.8 million in savings, preventing 3.7 HIV infections, 21 Hepatitis C infections, 374 days in the hospital for skin and soft-tissue infection, 5.9 overdose deaths, 108 overdose-related ambulance calls, 78 emergency room visits, and 27 hospitalizations, while bringing 121 additional people into treatment., Conclusions: We conclude that a SIF would be both extremely cost-effective and a significant public health and economic benefit to Baltimore City.
- Published
- 2017
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32. Economic Evaluation of a Hospital-Based Palliative Care Program.
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Isenberg SR, Lu C, McQuade J, Razzak R, Weir BW, Gill N, Smith TJ, and Holtgrave DR
- Subjects
- Cost Savings, Cost-Benefit Analysis, Health Care Costs, Humans, Length of Stay, Quality-Adjusted Life Years, Hospitalization economics, Palliative Care economics, Program Evaluation methods, Program Evaluation statistics & numerical data
- Abstract
Purpose: Establish costs of an inpatient palliative care unit (PCU) and conduct a threshold analysis to estimate the maximum possible costs for the PCU to be considered cost effective., Methods: We used a hospital perspective to determine costs on the basis of claims from administrative data from Johns Hopkins PCU between March 2013 and March 2014. Using existing literature, we estimated the number of quality-adjusted life years (QALYs) that the PCU could generate. We conducted a threshold analysis to assess the maximum costs for the PCU to be considered cost effective, incorporating willingness to pay ($180,000 per QALY). Three types of costs were considered, which included variable costs alone, contribution margin (ie, revenue minus variable costs), and PCU cost savings compared with usual care (from a separate publication)., Results: The data showed that there were 153 patient encounters (PEs), variable costs of $1,050,031 ($1,343 per PE per day), a contribution margin of $318,413 ($407 per PE per day), and savings compared with usual care of $353,645 ($452 savings per PE per day). On the basis of the literature, the program could generate 3.11 QALYs from PEs (0.05 QALY) and caregivers (3.06 QALYs). The threshold analysis determined that the maximum variable cost required to be cost effective was $559,800 (an additional $716 per PE per day could be spent)., Conclusion: According to variable costs, the PCU was not cost effective; however, when considering savings of the PCU compared with usual care, the PCU was cost saving. The contribution margin showed that the PCU was cost saving. This study supports efforts to expand PCUs, which enhance care for patients and their caregivers and can generate hospital savings. Future research should prospectively explore the cost utility of PCUs.
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- 2017
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33. The Cost and Threshold Analysis of Retention in Care (RiC): A Multi-Site National HIV Care Program.
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Maulsby C, Jain KM, Weir BW, Enobun B, Riordan M, Charles VE, and Holtgrave DR
- Subjects
- Anti-HIV Agents therapeutic use, Continuity of Patient Care statistics & numerical data, Cost-Benefit Analysis, HIV Infections therapy, HIV Infections transmission, Humans, Models, Economic, National Health Programs, Outcome and Process Assessment, Health Care, Patient Acceptance of Health Care, Program Evaluation, United States, Anti-HIV Agents economics, Continuity of Patient Care economics, HIV Infections economics, HIV Infections prevention & control, Health Care Costs statistics & numerical data
- Abstract
Persons diagnosed with HIV but not retained in HIV medical care accounted for the majority of HIV transmissions in 2009 in the United States (US). There is an urgent need to implement and disseminate HIV retention in care programs; however little is known about the costs associated with implementing retention in care programs. We assessed the costs and cost-saving thresholds for seven Retention in Care (RiC) programs implemented in the US using standard methods recommended by the US Panel on Cost-effectiveness in Health and Medicine. Data were gathered from accounting and program implementation records, entered into a standardized RiC economic analysis spreadsheet, and standardized to a 12 month time frame. Total program costs for from the societal perspective ranged from $47,919 to $423,913 per year or $146 to $2,752 per participant. Cost-saving thresholds ranged from 0.13 HIV transmissions averted to 1.18 HIV transmission averted per year. We estimated that these cost-saving thresholds could be achieved through 1 to 16 additional person-years of viral suppression. Across a range of program models, retention in care interventions had highly achievable cost-saving thresholds, suggesting that retention in care programs are a judicious use of resources.
- Published
- 2017
- Full Text
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34. A Direct Observation Checklist to Measure Respect and Dignity in the ICU.
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Carrese JA, Geller G, Branyon ED, Forbes LK, Topazian RJ, Weir BW, Khatib O, and Sugarman J
- Subjects
- Adult, Aged, Aged, 80 and over, Critical Care standards, Female, Humans, Male, Middle Aged, Physician-Patient Relations, Reproducibility of Results, Young Adult, Checklist, Intensive Care Units standards, Personhood
- Abstract
Objective: Treating patients and family members with respect and dignity is a core objective of health care, yet it is unclear how best to measure this in the ICU setting. Accordingly, we sought to create a direct observation checklist to assess the "respect and dignity status" of an ICU., Design: A draft checklist based on previous work was iteratively revised to enhance accuracy and feasibility., Setting: Seven ICUs within the Johns Hopkins Health System., Subjects: A total of 351 patient-clinician encounters with 184 different patients., Interventions: Four study team members pilot tested the checklist between January and August 2015., Measurements and Main Results: Standard psychometric analyses were performed. The direct observation checklist exhibits strong content and face validity as well as high reliability and internal consistency. All items load on one factor that supports the unidimensionality of the total index. Furthermore, concurrent validity of the direct observation checklist is demonstrated by statistically significant differences in mean scores between ICUs, between types of clinicians, and between patients' clinical status and mood., Conclusions: We rigorously developed, pilot tested, and analyzed a direct observation checklist designed to assess the extent to which patients and families in the ICU setting are treated with respect and dignity. Future research should validate this checklist in other settings and compare its results with other measures. Data gathered about individual items on the direct observation checklist could be used to target areas for training and education; doing so should help facilitate more respectful treatment of patients and their families.
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- 2017
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35. ICU-RESPECT: An index to assess patient and family experiences of respect in the intensive care unit.
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Geller G, Branyon ED, Forbes LK, Topazian RJ, Weir BW, Carrese JA, Beach MC, and Sugarman J
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- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Psychometrics, Reproducibility of Results, United States, Young Adult, Critical Care standards, Family, Intensive Care Units, Patient Satisfaction, Surveys and Questionnaires
- Abstract
Purpose: The purpose of the study is to develop a brief index of patient and family experiences of respect in the intensive care unit (ICU)., Materials and Methods: We designed a questionnaire with 44 items representing 12 themes that emerged from prior in-depth interviews with ICU patients and families. After pilot testing, items with minimal variability were eliminated. The resulting 21-item questionnaire was administered to patients and families in 5 adult ICUs. Psychometric analyses were conducted., Results: Fifty-seven questionnaires were completed. Factor analysis resulted in a unidimensional scale consisting of 10 items with an α of .85 and an Eigen value of 11.3. Factor loadings ranged from 0.54 to 0.84, and item-test correlations ranged from 0.47 to 0.71. The mean total score was 7.25 out of a maximum of 10. Scores were lower for surgical than medical or disease-specific ICUs., Conclusions: The "ICU-RESPECT" index demonstrates high reliability and concurrent validity in ICU patients and families. Future research should validate this index in other ICU settings, assess its predictive validity, and evaluate different methods for maximizing response rate. As hospitals address patient experience more broadly in response to national metrics, the index could identify particular behaviors or ICUs that would benefit from interventions to enhance respectful treatment., (Copyright © 2016 Elsevier Inc. All rights reserved.)
- Published
- 2016
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36. Mucous fistula refeeding decreases parenteral nutrition exposure in postsurgical premature neonates.
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Gause CD, Hayashi M, Haney C, Rhee D, Karim O, Weir BW, Stewart D, Lukish J, Lau H, Abdullah F, Gauda E, and Pryor HI 2nd
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- Cholestasis etiology, Female, Humans, Infant, Newborn, Infant, Premature, Male, Outcome Assessment, Health Care, Parenteral Nutrition adverse effects, Retrospective Studies, Enteral Nutrition methods, Enterostomy methods, Infant, Premature, Diseases surgery, Intestinal Mucosa surgery, Parenteral Nutrition statistics & numerical data
- Abstract
Background/purpose: Premature neonates can develop intraabdominal conditions requiring emergent bowel resection and enterostomy. Parenteral nutrition (PN) is often required, but results in cholestasis. Mucous fistula refeeding allows for functional restoration of continuity. We sought to determine the effect of refeeding on nutrition intake, PN dependence, and PN associated hepatotoxicity while evaluating the safety of this practice., Methods: A retrospective review of neonates who underwent bowel resection and small bowel enterostomy with or without mucous fistula over 2years was undertaken. Patients who underwent mucous fistula refeeding (RF) were compared to those who did not (OST). Primary outcomes included days from surgery to discontinuation of PN and goal enteral feeds, and total days on PN. Secondary outcomes were related to PN hepatotoxicity., Results: Thirteen RF and eleven OST were identified. There were no significant differences among markers of critical illness (p>0.20). In the interoperative period, RF patients reached goal enteral feeds earlier than OST patients (median 28 versus 43days; p=0.03) and were able to have PN discontinued earlier (median 25 versus 41days; p=0.04). Following anastomosis, the magnitude of effect was more pronounced, with RF patients reaching goal enteral feeds earlier than OST patients (median 7.5 versus 20days; p≤0.001) and having PN discontinued sooner (30.5 versus 48days; p=0.001)., Conclusions: RF neonates reached goal feeds and were able to be weaned from PN sooner than OST patients. A prospective multicenter trial of refeeding is needed to define the benefits and potential side effects of refeeding in a larger patient population in varied care environments., (Published by Elsevier Inc.)
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- 2016
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37. Alcohol, Intercourse, and Condom Use Among Women Recently Involved in the Criminal Justice System: Findings from Integrated Global-Frequency and Event-Level Methods.
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Weir BW and Latkin CA
- Subjects
- Adult, Coitus, Female, HIV Infections epidemiology, Humans, Male, Middle Aged, Multilevel Analysis, Oregon, Prisons, Risk Factors, Risk-Taking, Safe Sex statistics & numerical data, Sexual Behavior, Sexual Partners, Surveys and Questionnaires, Violence psychology, Alcohol Drinking psychology, Condoms statistics & numerical data, HIV Infections prevention & control, Health Promotion methods, Motivational Interviewing, Violence prevention & control
- Abstract
The scientific literature on alcohol and sexual risk behavior is marked by multiple theoretical perspectives and inconsistent findings from global-frequency and event-level studies. Multilevel measures of alcohol use and multiple sexual risk outcomes can be used to evaluate these perspectives and resolve these inconsistencies. Among women recently involved in the criminal justice system in Portland, Oregon, daily alcohol use and sexual behavior were measured during four 30-day intervals over one year. In mixed effects models, person-level, month-level, and day-level alcohol use were significantly associated with the occurrence of intercourse but not with the use of condoms during intercourse. Findings are also reported for main, casual, and exchange partners. The relationships between alcohol use and sexual risk behavior are complex: No single theoretical perspective is sufficient to account for the study findings, and increased risk may be mediated through changes in intercourse rather than through changes in condom use.
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- 2015
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38. An action agenda for HIV and sex workers.
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Beyrer C, Crago AL, Bekker LG, Butler J, Shannon K, Kerrigan D, Decker MR, Baral SD, Poteat T, Wirtz AL, Weir BW, Barré-Sinoussi F, Kazatchkine M, Sidibé M, Dehne KL, Boily MC, and Strathdee SA
- Subjects
- Anti-HIV Agents therapeutic use, Delivery of Health Care, Female, Global Health, HIV Infections drug therapy, HIV Infections epidemiology, Health Services Accessibility, Human Rights legislation & jurisprudence, Humans, Male, Molecular Epidemiology, Transgender Persons statistics & numerical data, Viral Load, HIV Infections prevention & control, Sex Workers statistics & numerical data
- Abstract
The women, men, and transgender people who sell sex globally have disproportionate risks and burdens of HIV in countries of low, middle, and high income, and in concentrated and generalised epidemic contexts. The greatest HIV burdens continue to be in African female sex workers. Worldwide, sex workers still face reduced access to needed HIV prevention, treatment, and care services. Legal environments, policies, police practices, absence of funding for research and HIV programmes, human rights violations, and stigma and discrimination continue to challenge sex workers' abilities to protect themselves, their families, and their sexual partners from HIV. These realities must change to realise the benefits of advances in HIV prevention and treatment and to achieve global control of the HIV pandemic. Effective combination prevention and treatment approaches are feasible, can be tailored for cultural competence, can be cost-saving, and can help to address the unmet needs of sex workers and their communities in ways that uphold their human rights. To address HIV in sex workers will need sustained community engagement and empowerment, continued research, political will, structural and policy reform, and innovative programmes. But such actions can and must be achieved for sex worker communities everywhere., (Copyright © 2015 Elsevier Ltd. All rights reserved.)
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- 2015
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39. Syringe exchange in the United States: a national level economic evaluation of hypothetical increases in investment.
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Nguyen TQ, Weir BW, Des Jarlais DC, Pinkerton SD, and Holtgrave DR
- Subjects
- Cost Savings economics, Cost Savings methods, Cost-Benefit Analysis, Female, HIV Infections economics, HIV Infections epidemiology, HIV Infections prevention & control, Health Care Costs statistics & numerical data, Humans, Male, Models, Economic, Needle-Exchange Programs methods, Substance Abuse, Intravenous economics, Substance Abuse, Intravenous epidemiology, United States epidemiology, Needle-Exchange Programs economics
- Abstract
To examine whether increasing investment in needle/syringe exchange programs (NSPs) in the US would be cost-effective for HIV prevention, we modeled HIV incidence in hypothetical cases with higher NSP syringe supply than current levels, and estimated number of infections averted, cost per infection averted, treatment costs saved, and financial return on investment. We modified Pinkerton's model, which was an adaptation of Kaplan's simplified needle circulation theory model, to compare different syringe supply levels, account for syringes from non-NSP sources, and reflect reduction in syringe sharing and contamination. With an annual $10 to $50 million funding increase, 194-816 HIV infections would be averted (cost per infection averted $51,601-$61,302). Contrasted with HIV treatment cost savings alone, the rate of financial return on investment would be 7.58-6.38. Main and sensitivity analyses strongly suggest that it would be cost-saving for the US to invest in syringe exchange expansion.
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- 2014
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40. A call to action for concentrated HIV epidemics.
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Beyrer C, Baral SD, Weir BW, Curran JW, Chaisson RE, and Sullivan PS
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- Female, Humans, Incidence, Male, Molecular Epidemiology, Epidemics prevention & control, Epidemics statistics & numerical data, HIV Infections epidemiology, HIV Infections prevention & control, HIV Infections transmission
- Published
- 2014
- Full Text
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41. Patient demographic and health factors associated with frequent use of emergency medical services in a midsized city.
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Knowlton A, Weir BW, Hughes BS, Southerland RJ, Schultz CW, Sarpatwari R, Wissow L, Links J, Fields J, McWilliams J, and Gaasch W
- Subjects
- Adolescent, Adult, Aged, Baltimore epidemiology, Child, Child, Preschool, Demography, Electronic Health Records, Emergency Medical Services economics, Female, Health Care Costs, Health Services Needs and Demand statistics & numerical data, Humans, Infant, Infant, Newborn, Male, Mental Disorders epidemiology, Middle Aged, Risk Factors, Substance-Related Disorders epidemiology, Emergency Medical Services statistics & numerical data, Health Services Misuse statistics & numerical data
- Abstract
Objectives: To optimize health care utilization, health outcomes, and costs, research is needed to improve an understanding of frequent users of emergency health services. Frequent use of emergency services is associated with high costs of health care and may be indicative of challenges accessing, or poor outcomes of, health care. Patient demographics and health factors related to frequent use of the emergency medical services (EMS) system of a midsized city were identified. Study findings will aid in the development of targeted interventions to improve population health., Methods: The authors reviewed 9-1-1 call dispatch data and Baltimore City Fire Department (BCFD) EMS records from 2008 through 2010. Frequent use was defined as six or more EMS incidents in the 23-month period. Analyses used census data to compare demographics of EMS users to their population distribution and examined differences in demographics and health problems of frequent EMS users compared to nonfrequent users., Results: Frequent EMS users (n = 1,969) had a range of six to 199 EMS incidents (mean = 11.2) during the observation period, and although they accounted for only 1.5% of EMS users, they were involved in 12.0% of incidents. Frequent users, compared to nonfrequent users and to the population, were more likely to be male, African American, and 45 years of age or older. Of frequent users, the modal age group was 45 to 54 years, accounting for 29.7% of frequent users, which represented twice this age group's population distribution. Furthermore, this age group had the greatest overrepresentation of males (63.0% of frequent users) and was the peak age group for incidents related to substance abuse (28.0% of frequent users' incidents in this age group). Frequent users, compared to nonfrequent users, had lower levels of incidents related to trauma (5.1% vs. 16.7%) and higher levels of medical incidents (94.8% vs. 82.9%). As proportions of EMS incidents among frequent versus nonfrequent users, respiratory, mental health, and seizure-related incidents were highest in the youngest age groups; substance abuse-related incidents were highest in those middle-aged (35 to 44 and 45 to 54 years). Of health problems, behavioral health (mental health or substance use) contributed most to frequent EMS use (23.4% of frequent users' incidents). Across all incidents, 65.8% of frequent users had indications of behavioral health problems, representing 6.6-fold higher odds than nonfrequent users (22.5%). Frequent compared to nonfrequent users also had higher levels of select chronic conditions (diabetes, 39.9% vs. 14.6%; asthma, 40.9% vs. 13.4%; and HIV, 9.1% vs. 2.4%), with unadjusted odds almost four to seven times higher., Conclusions: The study findings revealed the major role of chronic somatic and behavioral health problems in frequent EMS use and that rates of frequent use were highest among those middle-aged, African American, and male. These results suggest the need for coordination of EMS with community-based, integrated medical and behavioral health services to improve access and use of preventive services, with implications for health outcomes and costs. This study demonstrates the value of EMS patient data in identifying at-risk populations and informing novel, targeted approaches to public health interventions., (© 2013 by the Society for Academic Emergency Medicine.)
- Published
- 2013
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42. EMS runs for suspected opioid overdose: implications for surveillance and prevention.
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Knowlton A, Weir BW, Hazzard F, Olsen Y, McWilliams J, Fields J, and Gaasch W
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- Baltimore epidemiology, Drug Overdose epidemiology, Female, Humans, Incidence, Male, Retrospective Studies, Risk Factors, Substance-Related Disorders epidemiology, Treatment Outcome, Analgesics, Opioid poisoning, Drug Overdose drug therapy, Emergency Medical Services statistics & numerical data, Naloxone therapeutic use, Narcotic Antagonists therapeutic use, Substance-Related Disorders drug therapy
- Abstract
Background: Opioid (including prescription opiate) abuse and overdose rates in the United States have surged in the past decade. The dearth and limitations of opioid abuse and overdose surveillance systems impede the development of interventions to address this epidemic. Objective. We explored evidence to support the validity of emergency medical services (EMS) data on naloxone administration as a possible proxy for estimating incidence of opioid overdose., Methods: We reviewed data from Baltimore City Fire Department EMS patient records matched with dispatch records over a 13-month time period (2008-2009) based on 2008 Census data. We calculated incidence rates and patient demographic and temporal patterns of naloxone administration, and examined patient evaluation data associated with naloxone administration. Results were compared with the demographic distributions of the EMS patient and city populations and with prior study findings., Results: Of 116,910 EMS incidents during the study period for patients aged 15 years and older, EMS providers administered naloxone 1,297 times (1.1% of incidents), an average of 100 administrations per month. The overall incidence was 1.87 administrations per 1,000 residents per year. Findings indicated that naloxone administration peaked in the summer months (31% of administrations), on weekends (32%), and in the late afternoon (4:00-5:00 pm [8%]); and there was a trend toward peaking in the first week of the month. The incidence of suspected opioid overdose was highest among male patients, white patients, and those in the 45-54-year age group. Findings on temporal patterns were comparable with findings from prior studies. Demographic patterns of suspected opioid overdose were similar to medical examiner reports of demographic patterns of fatal drug- or alcohol-related overdoses in Baltimore in 2008-2009 (88% of which involved opioids). The findings on patient evaluation data suggest some inconsistencies with previously recommended clinical indications of opioid overdose., Conclusions: While our findings suggest limitations of EMS naloxone administration data as a proxy indicator of opioid overdose, the results provide partial support for using these data for estimating opioid overdose incidence and suggest ways to improve such data. The study findings have implications for an EMS role in conducting real-time surveillance and treatment and prevention of opioid abuse and overdose.
- Published
- 2013
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43. Reducing HIV and partner violence risk among women with criminal justice system involvement: a randomized controlled trial of two motivational interviewing-based interventions.
- Author
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Weir BW, O'Brien K, Bard RS, Casciato CJ, Maher JE, Dent CW, Dougherty JA, and Stark MJ
- Subjects
- Female, Follow-Up Studies, HIV Infections epidemiology, Humans, Incidence, Intention, Male, Prisons, Risk Factors, Risk-Taking, Socioeconomic Factors, Spouse Abuse psychology, Surveys and Questionnaires, Unsafe Sex, Violence psychology, HIV Infections prevention & control, Health Promotion methods, Interviews as Topic, Motivation, Spouse Abuse prevention & control, Violence prevention & control
- Abstract
Women with histories of incarceration show high levels of risk for HIV and intimate partner violence (IPV). This randomized controlled trial with women at risk for HIV who had recent criminal justice system involvement (n = 530) evaluated two interventions based on Motivational Interviewing to reduce either HIV risk or HIV and IPV risk. Baseline and 3, 6, and 9-month follow-up assessments measured unprotected intercourse, needle sharing, and IPV. Generalized estimating equations revealed that the intervention groups had significant decreases in unprotected intercourse and needle sharing, and significantly greater reductions in the odds and incidence rates of unprotected intercourse compared to the control group. No significant differences were found in changes in IPV over time between the HIV and IPV group and the control group. Motivational Interviewing-based HIV prevention interventions delivered by county health department staff appear helpful in reducing HIV risk behavior for this population.
- Published
- 2009
- Full Text
- View/download PDF
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