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BackgroundThe standard approach for evaluating the effects of population-level substance use prevention efforts on youth and young adult perceptions and behaviors has been to compare outcomes across states using national surveillance data. Novel surveillance methods that follow individuals over shorter time intervals and capture awareness of substance use prevention policy and communication efforts may provide a stronger basis for their evaluation than annual cross-sectional studies. ObjectiveThis study aimed to identify a combination of strategies to recruit a sample of youth and young adults sufficiently representative of the Vermont population and determine how best to retain a web-based panel of youth and young adults over a 6-month period. MethodsEligible participants were Vermont residents aged 12 to 25 years who were willing to complete three 10 to 15-minute web-based surveys over a 6-month period. Recruitment was conducted via the following three main mechanisms: (1) web-based recruitment (paid and unpaid), (2) community-based recruitment through partners, and (3) participant referrals via a personalized link. Upon completion of the baseline survey, participants were randomly assigned to one of the following three retention incentive conditions: (1) guaranteed incentive (US $10), (2) lottery incentive (US $50 weekly lottery drawing), and (3) preferred method (guaranteed or lottery). Analyses examined cost per survey start by recruitment source, distribution of demographic characteristics across incentive conditions, and retention by study condition at 3-month and 6-month follow-ups. ResultsOver a 10-week period in 2019, we recruited 480 eligible youth (aged 12-17 years) and 1037 eligible young adults (aged 18-25 years) to the Policy and Communication Evaluation (PACE) Vermont Study. Facebook and Instagram advertising produced the greatest number of survey starts (n=2013), followed by posts to a state-wide web-based neighborhood forum (n=822) and Google advertisements (n=749). Retention was 78.11% (1185/1517) at 3 months and 72.18% (1095/1517) at 6 months. Retention was equivalent across all incentive study conditions at both waves, despite a strong stated preference among study participants for the guaranteed payment at baseline. Youth had greater retention than young adults at both waves (wave 2: 395/480, 82.3% vs 790/1037, 76.18%; wave 3: 366/480, 76.3% vs 729/1037, 70.30%). Substance use prevalence in this cohort was similar to national and state-level surveillance estimates for young adults, but was lower than state-level surveillance estimates for youth. Most participants retained at wave 3 provided positive qualitative feedback on their experience. ConclusionsOur study supports the feasibility of recruiting a web-based cohort of youth and young adults with representation across an entire state to evaluate substance use prevention efforts. Findings suggest that a guaranteed payment immediately upon survey completion coupled with a bonus for completing all survey waves and weekly survey reminders may facilitate retention in a cohort of youth and young adults.

"Whose streets? Our streets!" This special forum centered on The Streets Belong to Us: Sex, Race, and Police Power from Segregation to Gentrification conjures this popular urban protest chant that may (or may not) be familiar to many readers. While the response—"our streets!"—is forceful, it is far from a clear-cut truism or uncomplicated declaration. Herein, Fischer and five interlocutors discuss the historical and spatial complexities regarding who has a right to define, navigate, and regulate urban spaces. They take up the questions—to whom do the streets belong—by considering regimes of police power at the nexus of sex, moral reform, and so-called "troublesome" terrains in three twentieth-century U.S. cities. They also engage how, as Fischer states, law-enforcement practices of sexual policing decriminalized white womanhood while criminalizing Black womanhood, and thereby expanded police authority, racialized gendered state violence, carceral feminism, gentrification, and spatialized racial and economic inequalities. [ABSTRACT FROM AUTHOR]

Objective: To identify longitudinal trajectories of depression in the first 6 months following limb loss and to explore baseline predictors of trajectories, including pain and demographic factors. A secondary aim was to evaluate whether trajectories of depression were associated with elevated symptoms of posttraumatic stress (PTS) at 6 months. Design: Secondary longitudinal data analysis of an inception cohort study of persons with new‐onset limb loss. Participants completed assessments at three intervals (initial, 3 months, and 6 months). Setting: Hospitalized care, acute rehabilitation, ambulatory care, and community. Participants: Participants were recruited from consecutive cases of amputation surgery in a metropolitan hospital system over a period of 4 years (2002–2007). The final sample (n = 203) was predominantly White (79.3%) and male (78.8%) with an average age of 49.4 years (standard deviation [SD] = 14.6). Main Outcome Measure(s): Depression was assessed via the Patient Health Questionnaire‐9 (PHQ‐9); posttraumatic stress symptoms were measured via the PTSD checklist– Civilian Version (PCL‐C). Results: Four trajectories of depression were identified via Latent Growth Mixture Modeling: Resilience (73.2%), Chronic Depression (11.2%), Emerging Depression (8.9%), and Recovery (6.7%). Average pain intensity significantly predicted trajectory membership. Membership in the Chronic Depression class predicted elevated 6‐month PTS compared to all other classes; membership in the Resilience class predicted lower PTS than in the Chronic and Emerging Depression classes but did not differentiate from the Recovery trajectory. Conclusions: Findings reveal that the course of depression post‐amputation is heterogenous, with varying profiles of symptom development, maintenance, and remission. A majority of individuals were classified as Resilient, whereas a substantial minority of individuals developed clinically significant depression between 3 and 6 months (Emerging Depression), suggesting that early screening during acute care may be insufficient. We detected a significant prospective relation between depression trajectories and distal PTS, advancing the potential clinical utility of trajectory modeling as a risk surveillance tool. [ABSTRACT FROM AUTHOR]