The purpose of this occasional paper is to compare point estimates and trends included in the Monitoring the Future (MTF) Panel Study annual report: "National Data on Substance Use among Adults Ages 19 to 60, 1976-2021" prepared using historical post-stratification weights, with the same point estimates and trends obtained when using MTF…

The study examined the relationship between perfectionism (categorized by adaptive, maladaptive, and non-perfectionist clusters), substance use (i.e., drinking and smoking), and mental health in a large sample of college student (N = 841; M = 19.6 years of age) in a time-lagged design. Students were classified using a two-step cluster analysis…

The current study describes an individual participant data meta-analysis (IPDMA) testing the efficacy of a peer-network counseling (PNC) intervention for preventing substance use escalation in adolescents and young adults. PNC has shown efficacy in reducing substance use among adolescents and young adults across small-scale randomized controlled…

Volunteering can serve as a protective factor against substance abuse. Yet, it is unclear whether volunteering in specific community organizations, such as emergency services, promotes or protects against substance use. We aimed to (1) describe community volunteering characteristics among adolescents; (2) investigate differences in the prevalence…

The goal of this paper is to discuss practical recommendations for collecting data with hard to reach populations and data comparability. We also discuss the importance of piloting and community involvement in the process using an example from the Tribal Prevention Initiative (TiPI), a culturally-based substance abuse prevention program for…

Diffusion can contribute to the spread of preventive intervention effects from participants to non-participants, but best practices for randomized trials prevent contamination of conditions. These practices conflict with cultural values of community benefit, which are salient among American Indians. This study embedded social network measures…

Objective: Eight percent of college students report past year prescription stimulant misuse (nonmedical use of stimulants defined as taking stimulants in a manner other than prescribed). Despite this high prevalence rate, primary prevention efforts are lacking on college campuses. Participants and Methods: A prescription stimulant misuse primary…

Interior immigration enforcement in the U.S. has rapidly increased over the past two decades, including increased Immigration and Customs Enforcement (ICE) activity and the revival of workplace raids under the Trump administration. We contribute to the body of research that aims to better understand the consequences of immigration enforcement for…

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.…

Objective: This study examined differences in substance use, depression, and academic functioning among ADHD and non-ADHD college students. Participants: Included 1,748 students (ages 18-25; women 68.4%; Caucasian 71.3%) with and without history of ADHD. Methods: We assessed the relationship of ADHD to substance use variables, controlling for…

The aim of the study was to compare narcissism levels of bodybuilding athletes in elite level before and after anabolic steroid cure. Method: The sample group of the study was composed of a total of 42 bodybuilding athletes who use steroids and voluntarily participated in the study. A control group of 22 people was also established and they did…

Background: College dropout has been described as an epidemic, with underrepresented minority (URM) students having the highest dropout rates at colleges and universities. This study examines interpersonal violence and substance use as potential threats to the academic success of URM students. Methods: This study is a secondary data analysis of…

Background: Many offenders with intellectual disabilities have substance use issues. Offending behaviour may be associated with substance use. Materials and Methods: Prisoners with and without intellectual disabilities were compared in terms of their substance use prior to imprisonment, the influence of substance use on offending, and their…

Research about students with disabilities and students identifying as LGBQ (lesbian, gay, bisexual, or questioning) reveals that both populations report more suicidality and peer victimization and less school connectedness than do their peers. No study has previously examined the intersection of these identities with regard to peer victimization,…

Background: There is now substantial literature demonstrating that a disproportionate number of young people who come into contact with youth justice services evidence unidentified language difficulties. These young people, therefore, have received little or no professional input in this area. Conversely, there is a dearth of research pertaining…