Objective: To examine race, gender, and alcohol use level as moderators of the association between protective behavioral strategies (PBS) and alcohol-related problems. Participants: A sample of 12,011 participants who reported recent drinking (87.7% White, 61% Women) from Project INTEGRATE, a study that combined individual participant data (IPD)…

Purpose: Grounded in the behavioral ecological model, and to address a lack of park space, this study looked at community members' use of public high school physical activity (PA) facilities during nonschool hours while considering the effects of seasonality. Method: Data included 3,959 observation sweeps across 19 public high school campuses over…

The purpose of this study was to examine the association between sexual identity-behavior concordance and discordance with meeting recommendations for 24-hour movement behaviors in adolescents. Participants were US adolescents who reported a history of sexual partners from the 2015-2019 National Youth Risk Behavior Survey (N = 19688; 49.3%…

Monitoring the Future (MTF) is an ongoing research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse beginning in 1975. The integrated MTF study includes annual surveys of nationally-representative samples of 8th, 10th,…

This study explored substance use trajectories and associations with mental health among an ethnically/racially diverse college student sample before and during the COVID-19 pandemic. We combined repeated cross-sections and panel data from a total of 3,247 college students assessed with an online survey in 2018, 2019, and in three waves in 2020.…