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Background: Smartphones, internet access, and social media represent a new form of problematic behavior and can affect how teens sleep., Methods: A cross-sectional design was employed to examine the prevalence and association of problematic internet use and problematic smartphone use with sleep quality in a non-probability sample of 190 high school students in Mexico. The internet-related experiences questionnaire (IREQ), the mobile-related experiences questionnaire (MREQ), and the Pittsburgh Sleep Quality Index (PSQI) were used., Results: The study revealed that 66% of participants exhibited some form of problematic internet use, primarily in the form of social media use; 68% had some form of problematic smartphone use, and 84% reported poor sleep quality. The PSQI score was most accurately predicted by problematic smartphone use (MREQ), followed by enrollment in the morning school shift, participation in sports, the father's education level, and knowledge that "smartphone use disturbs sleep", which together explained 23% of the variation in sleep quality., Conclusions: Excessive smartphone use may negatively affect sleep quality in adolescents. We recommended that interventions be implemented to educate adolescents about appropriate and healthy use of technology, in parallel with the promotion of preventive sleep habits.

The world is aging and experiencing loneliness. Functional impairment in instrumental activities of daily living (IADL) in older people (OP) with mild neurocognitive disorder (MNCD) predicts loneliness. After the pandemic, there was an increase in perceived loneliness. We explored the association between loneliness, depression, deficits in IADL, and cognitive symptoms among OP. From February to December 2023, using a cross-sectional design, we interviewed probable cases with mild cognitive impairment and caregivers in two public facilities. We administered the UCLA Loneliness Scale v3, Lawton IADL Scale, Mini-Mental State Examination (MMSE), and Yesavage's Geriatric Depression Scale. Samples were matched: 85 per group, 82.4% were women, married (52.95%), and mean age of 69.17 (±6.93) years. In our study, 30% displayed moderate to high levels of perceived loneliness. Multivariate analysis showed loneliness was associated with depression, low levels of IADL, and older age, but not with cognitive symptoms, which explained 22% of the total variance (F 165) = 16.99, ( p < 0.001). Targeting symptoms and behaviors that could be modified (i.e., depression and functionality) can improve feelings of perceived loneliness and have an impact on morbidity and mortality with which it is associated.

Background: Disrupting women's employment is a strategy that abusive partners could use to prevent women from maintaining economic independence and stability. Yet, few studies have investigated disruptions in employment among victims of intimate partner violence (IPV) in low-income and middle-income countries. Moreover, even fewer have sought to identify which female victims of IPV are most vulnerable to such disruptions., Methods: Using baseline data from 947 women in Mexico City enrolled in a randomised controlled trial, multilevel latent class analysis (LCA) was used to classify women based on their reported IPV experiences. Furthermore, multilevel logistic regression analyses were performed on a subsample of women reporting current work (n=572) to investigate associations between LCA membership and IPV-related employment disruptions., Results: Overall, 40.6% of women who were working at the time of the survey reported some form of work-related disruption due to IPV. LCA identified four distinct classes of IPV experiences: Low Physical and Sexual Violence (39.1%); High Sexual and Low Physical Violence class (9.6%); High Physical and Low Sexual Violence and Injuries (36.5%); High Physical and Sexual Violence and Injuries (14.8%). Compared with women in the Low Physical and Sexual Violence class, women in the High Physical and Sexual Violence and Injuries class and women in the High Physical and Low Sexual Violence and Injuries class were at greater risk of work disruption (adjusted relative risk (ARR) 2.44, 95% CI 1.80 to 3.29; ARR 2.05, 95% CI 1.56 to 2.70, respectively). No other statistically significant associations emerged., Conclusion: IPV, and specific patterns of IPV experiences, must be considered both in work settings and, more broadly, by economic development programmes., Trial Registration Number: NCT01661504., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)

Background: The assessment of treatment success in clinical trials when multiple (repeated) doses (courses) are involved is quite common, for example, in the case of infertility treatment with assisted reproductive technology (ART), and medical abortion using misoprostol alone or in combination with mifepristone. Under these or similar circumstances, most researchers assess success using binomial proportions after a certain number of consecutive doses, and some have used survival analysis. In this paper we discuss the main problems in using binomial proportions to summarize (the overall) efficacy after two or more consecutive doses of the relevant treatment, particularly for the case of misoprostol in medical abortion studies. We later discuss why the survival analysis is best suited under these circumstances, and illustrate this by using simulated data., Methods: The formulas required for the binomial proportion and survival analysis (without and with competing risks) approaches are summarized and analytically compared. Additionally, numerical results are computed and compared between the two approaches, for several theoretical scenarios., Results: The main conceptual limitations of the binomial proportion approach are identified and discussed, caused mainly by the presence of censoring and competing risks, and it is demonstrated how survival analysis can solve these problems. In general, the binomial proportion approach tends to underestimate the "real" success rate, and tends to overestimate the corresponding standard error., Conclusions: Depending on the rates of censored observations or competing events between repeated doses of the treatment, the bias of the binomial proportion approach as compared to the survival analysis approaches varies; however, the use of the binomial approach is unjustified as the survival analysis options are well known and available in multiple statistical packages. Our conclusions also apply to other situations where success is estimated after multiple (repeated) doses (courses) of the treatment.

Background: Intimate partner violence (IPV) victimization is a prevalent issue among women residing in Mexico City. Comprehensive and integrated health care provider (HCP) delivered programs in clinic-settings are needed, yet few have been evaluated in Latin America, including Mexico. In addition, there has been minimal attention to interventions among lower income women presenting at settings outside of antenatal care clinics. The current randomized controlled trial seeks to increase midlevel HCPs' capacity, specifically nurses, who are often the first point of contact in this setting, to identify women presenting at health clinics with experiences of IPV and to assist these women with health risk mitigation. Specific outcomes include changes in past-year IPV (physical and/or sexual), reproductive coercion, safety planning, use of community resources, and quality of life., Methods/design: Forty-two public health clinics in Mexico City were randomized to treatment or control clinics. Nurses meeting eligibility criteria in treatment groups received an intensive training on screening for IPV, providing supportive referrals, and assessing for health and safety risks. Nurses meeting eligibility criteria at control clinics received the standard of care which included a one-day training focused on sensitizing staff to IPV as a health issue and referral cards to give to women. Women were screened for eligibility (currently experiencing abuse in a heterosexual relationship, 18-44 years of age, non-pregnant or in first trimester) by research assistants in private areas of waiting rooms in health clinics. Consenting women completed a baseline survey and received the study protocol for that clinic. In treatment clinics, women received the nurse delivered session at baseline and received a follow-up counseling session after three months. Surveys are conducted at baseline, three months, and fifteen months from baseline., Discussion: This study will provide important insight into whether a nurse-delivered program can assist women currently experiencing abuse in a Latin American context. Findings can be used to inform IPV programs and policies in Mexico City's public health clinics., Trial Registration: NCT01661504.

A nationally representative survey was conducted among 3000 Catholics in Mexico during 2009 and 2010. Respondents were presented with a hypothetical situation about a young woman who decided to have an abortion and were asked their personal opinion of her. On the basis of a stigma index, it was found that the majority (61%) had stigmatizing attitudes about abortion; however, 81% believed that abortion should be legal in at least some circumstances. Respondents were significantly more likely to stigmatize abortion if they disagreed with the Mexico City law legalizing the procedure (odds ratio 1.66; 95% CI, 1.30-2.11) and believed that abortion should be prohibited in all cases (odds ratio 3.13; 95% CI, 2.28-4.30). Such stigma can lead women to seek unsafe abortions to avoid judgment by society., (Copyright © 2012 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.)

Background: First-trimester abortion was legalized in Mexico City in 2007, and services are now provided at public and private sites throughout the city. However, little is known about the obstacles women face when seeking abortion care., Methods: We surveyed women who obtained abortion services (n = 398) at three public sector facilities in Mexico City to identify the obstacles women faced when obtaining abortions. We used logistic regression to test whether obstacles varied by sociodemographic characteristics., Results: Women with low education were more likely than high school-educated women to report difficulty getting appointments. Unmarried women and women with low education were more likely than married women or high school educated women to report difficulty getting time off work for appointments and arranging for transportation to the facility. Separated or divorced women were more likely than married women to report partner or other family member opposition to the abortion. Women who lived outside of Mexico City were more likely than Mexico City residents to report difficulty with transportation., Conclusion: Education, marital status, and place of residence were associated with the obstacles women reported. Strategies to improve access to care should be targeted to the groups at highest risk of experiencing obstacles: Women with primary education or lower, single women, separated/divorced women, and those residing outside of Mexico City., (Copyright © 2011 Jacobs Institute of Women's Health. Published by Elsevier Inc. All rights reserved.)

Rates of HIV and STIs are higher among Latinos than the general U.S. population. A number of factors place Latino immigrants at particularly high risk. 128 male Mexican immigrants in Dallas, Texas completed personal interviews. We measured the prevalence of HIV/STI risk factors and identified sociodemographic and behavioral characteristics associated with higher risk. 9% of the total sample had 3 or more sexual partners in the past year. 5% had sex with a commercial sex worker (CSW). 11% had sex with another man. 11% had a previous STI diagnosis. Risk behaviors and STI history were more prevalent among men who had used illegal drugs or frequently consumed alcohol (18% of the sample) than among others. The overall prevalence of HIV/STI risk factors in this population was moderate. However, men who drank alcohol frequently and used illegal drugs were more likely than others to report engaging in behaviors that put them at risk for acquiring HIV/STI.

Maternal syphilis adversely affects close to one million pregnancies worldwide every year with consequences that may include spontaneous abortion, stillbirth, neonatal death, premature birth, neurological impairment and bone deformities of the neonate. In Bolivia, the maternal syphilis rate has been estimated at 4.3% among women with live births and 26% among women with stillbirths. Partner notification is critical to the prevention of maternal re-infection and vertical transmission of syphilis. Patient-led partner notification, also known as patient referral, is the recommended starting point for partner notification programs in resource poor settings because it requires less infrastructure and provider involvement. Though patient referral requires a higher level of engagement on the part of individuals, few studies have examined, in depth, the process of patient-led notification. Further, we found no studies of this type conducted in Bolivia, a country where culturally acceptable and appropriate interventions are needed to control maternal syphilis. This study examined partner notification, for the first time, from the perspective of women accessing treatment for maternal syphilis in Bolivia. Semi-structured interviews were conducted with 18 women who had attempted or planned to attempt notifying their partner. The interview guide was designed to investigate the experience of patient-led partner notification for syphilis with particular emphasis on the strengths and capacities of the participants. Accordingly, we applied an existing theoretical model for individual empowerment in the analysis of the interviews with the participants. This emphasis on the positive, solution-finding capacities of the participants allowed us to investigate the ways in which participants took control over an aspect of concern to their health. More studies are needed which examine successful patient-led strategies for partner notification and their connections with long-term health outcomes.

Background: Spanish-language screening tests that are sensitive to the early cognitive changes of Alzheimer's disease (AD) are needed. Persons known to be at 50% risk for young-onset AD due to presenilin-1 (PSEN1) mutations provide the opportunity to assess which measures on the Mini-mental State Examination (MMSE) are most sensitive to these early changes., Methods: We performed genetic and Spanish-language cognitive testing on 50 Mexican persons without dementia at risk for inheriting PSEN1 mutations. We then compared the performance on sub-items of the MMSE between PSEN1 mutation carriers (MCs) and non-carriers (NCs) using t-tests and Fisher's exact tests. Exploratory multiple logistic regression analyses were also performed., Results: Twenty-nine persons were MCs and 21 NCs. NCs tended to achieve higher levels of education (p = 0.039) than did MCs. MCs tended to perform more poorly when spelling "MUNDO" backwards and on Orientation, particularly regarding the date. In multiple regression analyses the ability of backwards spelling to predict PSEN1 mutation status was reduced when education was included as an independent variable., Conclusion: Subjects in the earliest stage of PSEN1-related AD showed deficits on orientation to date and in divided attention when spelling backwards. It is unclear if educational level should be considered an associated feature or a con-founding variable in this population although it should be taken into account when considering performance on the MMSE task of divided attention. The relative lack of deficits on delayed recall of three words probably represents the insensitivity of this measure in early AD. This study supports the utility of autosomal dominant AD as a model of the more common sporadic form of the disorder.

Objective: This study analyzes the use patterns of , an English-, Spanish-, Arabic- and French-language web site dedicated to three methods of early pregnancy termination: mifepristone/misoprostol, methotrexate/misoprostol and misoprostol alone., Methods: This study examines both the overall and language-specific use patterns of the web site from October 1, 2004, through September 30, 2005. Data were recorded using Wusage 8.0, a web site statistics program., Results: Over the 12-month study period, received more than 78,000 visits and nearly 240,000 page requests. The English version is the most popular version of the web site (accessed in 46.1% of all visits), followed by the Spanish (35.0%), Arabic (10.4%) and French (8.8%) versions. Spanish-language visits are nearly three times as likely to access the misoprostol-only section of the web site when compared with the other language versions (p<.001)., Conclusion: This study confirms that multilingual, medically accurate online resources have the potential to expand information about medication abortion to both providers and women considering the option of abortion in diverse communities. Analysis of the language-specific use patterns highlights the different priorities of various types of web site visitors and suggests future priorities for educational outreach, collaboration and research.

Background: Prospective and case-control studies have demonstrated that memory loss and executive dysfunction occur early in Alzheimer disease (AD)., Objective: To investigate these observations by the study of persons at risk for autosomal dominant forms of AD., Methods: Neuropsychological and genetic tests were performed on 51 nondemented at-risk members of 10 Mexican families with two distinct presenilin-1 (PS1) mutations. Test scores were compared between PS1 mutation carriers (MCs; n = 30) and noncarriers (NCs; n = 21) by analyses of variance, co-varying for family and specific mutation. Regression analyses were performed, taking into account age relative to the median age at dementia diagnosis in the family (adjusted age), gender, Beck Depression Inventory (BDI) scores, education, and number of APOE epsilon4 alleles. Subjects were divided into age tertiles and scores compared within these groups. Composite scores for Verbal Memory, Executive Function/Working Memory, Language, and Visuospatial Function were created, and these scores compared between MCs and NCs., Results: MCs performed worse than NCs on the Mini-Mental State Examination, Trails Making Tests A and B, Delayed Recall of a 10-Word List, and Wechsler Adult Intelligence Scale WAIS Block Design. In multiple linear regression analyses, BDI score, gender, and number of APOE epsilon4 alleles did not consistently affect test scores. The differences seen between MCs and NCs were due to differences in the oldest tertile. MCs had lower Visuospatial and Executive Function/Working Memory but not Verbal Memory or Language composite scores., Conclusions: This study is consistent with findings in sporadic Alzheimer disease of early problems with memory, visuospatial function, and particularly with executive function in PS1 mutation carriers. Depression, gender, and presence of an APOE epsilon4 allele did not demonstrate large influences on neuropsychological performance.

Objectives: To study depressive symptoms in preclinical presenilin-1 (PS1) related Alzheimer's disease., Methods: Participants were 33 Mexican women at risk for inheriting PS1 mutations who were not demented. They were interviewed, underwent cognitive testing, and completed the Beck depression inventory (BDI). PS1 mutation status was determined. Mean BDI scores were compared between PS1 mutation carriers and non-carriers. The percentage of subjects who reported seeing a psychiatric professional, and the percentage complaining of memory loss were compared between groups. Regression analysis was used to determine whether mutation status predicted BDI scores after adjusting for age, education, mini-mental state examination, and subjective memory function., Results: PS1 mutation carriers (n = 17) scored significantly higher than non-carriers (n = 16) on the BDI (mean score, 14.4 v 6.5, p = 0.017); 24% of mutation carriers and 12.5% of non-carriers admitted having sought help from a psychiatric professional (NS). Mutation status remained a significant predictor of BDI scores after adjusting for potential covariates. Though not demented, mutation carriers tended to score lower than non-carriers on several neuropsychological tests., Conclusions: Depressive symptoms can occur early in the course of PS1 related Alzheimer's disease, at least in women. This supports the hypothesis that depression may occur as a direct result of the neuropathology underlying Alzheimer's disease.

Objective: To study the incidence of behavioral abnormalities in patients with Parkinson's disease (PD) and extend them to a Mexican population., Background: Reports from the US and Europe suggest depression, anxiety, and apathy occur with increased frequency in PD, but data on the occurrence of neuropsychiatric symptoms in patients with PD in Latin America are lacking., Methods: The investigators performed a cross-sectional survey of psychiatric symptoms and cognitive status in 40 patients with PD and 83 controls in Mexico City., Results: Results were compared between groups and correlations sought between symptoms and disease variables. Patients with PD had a higher rate of dysphoria, anxiety, and apathy (p < 0.001). Within the patients with PD, there was a positive correlation between disease severity (rho = 0.496), age (rho = 0.340), and degree of self-rated depression., Conclusions: This study confirmed the observation previously described in other PD populations of increased rates of dysphoria, anxiety, and apathy in Mexican patients with PD. We found no relation between disease duration, severity, cognitive impairment, and neuropsychiatric symptoms as measured on the Neuropsychiatric Inventory, possibly a result of the relative lack of advanced cases in our population.

Emergency contraception (EC) has great potential to decrease the incidence and resulting consequences of unwanted pregnancy, including unsafe abortion. We conducted this study to understand EC practices in Latin America and the Caribbean (LAC). We contacted 43 International Planned Parenthood Federation affiliates in LAC to interview them about EC availability. We collected family planning norms and researched registered EC products in LAC. We searched English- and Spanish-language sources to compile EC literature reviews. Thirty-seven affiliates (86%) responded to the survey, and 62% offer EC. Central and South American affiliates are more likely to offer EC than are Caribbean affiliates. Of those offering EC, 96% offer cut-up packets of oral contraceptives, whereas six affiliates offer dedicated products. Of those not offering EC, 79% believe it constitutes abortion. EC availability and support for the method appear to be increasing in LAC, and clearer distinctions between EC and abortion in medical and policy guidelines should increase acceptance further.

The range of neuropsychiatric symptoms in multiple sclerosis (MS) has not been prospectively assessed. The authors, working at a tertiary medical center in Mexico City, used the Neuropsychiatric Inventory (NPI) to evaluate neuropsychiatric symptoms prospectively in 44 MS patients who were stable between relapses and 25 control subjects of similar age, education, and cognitive function. Neuropsychiatric symptoms were present in 95% of patients and 16% of control subjects. Changes present were depressive symptoms (79%), agitation (40%), anxiety (37%), irritability (35%), apathy (20%), euphoria (13%), disinhibition (13%), hallucinations (10%), aberrant motor behavior (9%), and delusions (7%). The only relationships with MRI were between euphoria and hallucinations and moderately severe MRI abnormalities. The authors conclude that diverse types of neuropsychiatric symptoms are common in MS; symptoms are present between exacerbations; and there are variable correlations with MRI abnormalities.