Background: Relationships exist between perceived peer and own use of alcohol, cannabis, and tobacco, particularly when peers and participants are sex-matched. We investigated sex influences on social norms effects for college students' non-medical prescription drug use (NMPDU). Methods: N = 1986 college students reported on their perceptions of…

Objective: We investigated the preliminary efficacy of a tailored human papillomavirus (HPV) vaccination on-line intervention designed to increase HPV vaccination intention. Participants: Female college students (N = 101; 18-26 years), who have not received the HPV vaccine. Methods: Participants were randomized to either a control group to read…

Objectives: This study investigates whether recreational marijuana legislation and perceived social norms (descriptive and injunctive) affect college students' propensity to share pro-marijuana messages. We examine which referent group (close friends, typical student, parents) most influence those norms. Participants: A sample of 343 college…

Objective: To determine whether college men's perceptions of campus drinking norms, aggregated at the institution-level, predicted heavy episodic drinking and sexual violence perpetration. Participants: Data were collected from a sample of 1144 first-year male college freshmen enrolled at one of thirty four-year institutions in the state of…

Objective: Using social cognitive theory as a framework, this study examined electronic nicotine delivery systems (ENDS) use, related cognitions, and context among college students. Participants: Respondents were 1229 students attending a mid-sized, northeastern university. Methods: A cross-sectional survey was administered and SPSS was used for…

Objective: To assess knowledge, attitudes, and practices (KAP) related to antimicrobial resistance (AMR) among college students. Participants: Undergraduate students at a large public university in the United States. Methods: Anonymous online questionnaire completed in early 2020. Results: While 82% of participants knew that resistant pathogens…

Objective: The current study evaluated the long-term effectiveness of a peer delivered suicide prevention gatekeeper training program for college students. Participants: 1,345 undergraduate students (M[subscript age] = 20.24, SD = 3.27; 89.6% White) received the peer led training during a single class-period. Method: Participants completed pre-…

Objective: To assess the effectiveness of a peer-led single-session intervention targeting the sociocultural pressures of body image. Participants: New members of 13 sororities at one university. Methods: Participants were randomized by sorority into the intervention (n = 207) or wait list control (n = 264). Online surveys were administered at…

Objective: We examined the characteristics, motivations, and harms associated with celebrating events at off-campus parties (OCPs), including a particularly harmful off-campus block party compared to on-campus parties (CPs). Participants and Method: Survey with a representative sample of 491 students in Canada. Three focus groups with a total of…

Objective: Health behavior research suggests that perceived social norms impact health decisions. This study aimed to (a) examine reasons for vaccine hesitancy among a sample of college students compared to a clinical sample (b) examine the accuracy of perceptions of others' receptivity and intention to seek out the COVID-19 vaccine, and (c)…

Objective: Our study conducted a preliminary evaluation of a peer-mentoring group program for college men (Freshmen League). Participants & Methods: We interviewed first-year men who participated in Freshmen League (n = 16) and others who did not (n = 10), asking them questions about authenticity, relationships, masculinity, and community.…

Objective: College campuses report alcohol and other drug policy violations as the most frequent reason students receive disciplinary referrals and, thus, are mandated to programming. This study sought to determine predictors of mandated students' alcohol use frequency, and the likelihood of early-onset alcohol using college students enrolled in…

Objective: In 2016 a private Missouri university implemented a campus-wide tobacco-free policy to change social norms and prevent tobacco use among students, staff and faculty. This study assesses impact on tobacco and policy-related perceptions and behaviors. Methods: Before the policy went into effect and again one year later, all university…

Objective: While cigarette smoking in the United States has declined, the age range of smoking initiation has risen to include young adults. This study investigated the relationship of Theory of Planned Behavior constructs (TPB; attitudes, subjective norms, and perceived behavioral control [PBC]) to nonsmoking intention among college students.…

Objective: Existing literature on young adults' e-cigarette and polysubstance use focused on college students. This study examined the differences between college and noncollege groups on prevalence and patterns of e-cigarette and other substance use using data from a national survey. Participants: Adults aged 18-24 from the 2013-2014 Population…