Objective: Two-thirds of U.S. colleges are near vape shops, where higher rates of underage sales exist. This study examined vape shop compliance with state-mandated age-of-sale signs, the presence of age-of-entry signs and the tobacco industry's "We Card" sign. Participants: Random sample of 614 California vape shops, stratified by…

Diffusion of innovations theory can be used to understand how to prevent or slow the spread of harmful behaviors, such as e-cigarette use in adolescent social networks. This study explores how different network intervention strategies could impact diffusion dynamics through network simulations based on observed social norms and e-cigarette use…

Youth vaping is a concern and schools may use many approaches to discipline students caught vaping at school. This study identified the prevalence of school staff seeing vaping in schools and the measures used to discipline students. A state-wide sample of 7,938 staff from 255 middle and high schools reported whether they saw any students vaping…

Background: As of September 2020, more than 300 state and local jurisdictions restrict the sales of flavored tobacco, with some including menthol. Aims: To evaluate the impact of local ordinances restricting the sale of flavored tobacco, we surveyed Californians regarding policy support and perceived access to flavored tobacco. Methods: In 2019,…

Background: Mental health care is critical to improving mental health but factors associated with student utilization are poorly understood. Methods: Data were from high school students (N = 2933; mean age = 15.7 ± 0.6) enrolled in a California cohort. We examined associations of sociodemographic factors, substance use, and mental health symptoms…

Objective: To evaluate the change in tobacco use by college students in California during the COVID-19 pandemic. Participants: Young adults (18-24 years) currently enrolled in a California college or university (N = 212). Methods: Students recruited through social media posts and by student tobacco advocate members completed an online survey of 59…

Background: The prevalence of electronic-cigarette (e-cigarette) product placement in music videos is on the rise and currently unregulated. This promotional activity is concerning given the popularity of music videos among young adults. Aims: We examined associations between self-reported levels of exposure to music videos with any e-cigarette…

Objective: To examine whether policies prohibiting smoking on college campuses contribute to greater decreases in smoking. Participants: This study compares smoking prevalence and perceptions of prevalence pre/post a smoking ban enacted in 2015 by using repeated cross-sectional surveys administered at a university in 2011 (n = 1.548), 2013 (n =…

Objectives: Survey items used in surveillance systems to assess the use of emerging products like hookah and electronic inhalant devices (EIDs) may not match definitions used by high-risk populations. This qualitative study explored how African American youth and young adults (YYAs) (1) use hookah and EIDs and (2) identify patterns in the ways…

Background: E-cigarette use has increased rapidly in the past decade despite studies showing their negative health outcomes. There is limited knowledge on the characteristics of users and possible interventions. Purpose: This study presents the demographic characteristics of e-cigarette users in California, propose tailored interventions, and…

Using the interpretative framework of social constructivism, the purpose of this study was to understand the alignment of college students' perceptions regarding cigarettes, vape products, and marijuana use with the perceptions of campus authorities charged with implementation of EO 1108. Through a qualitative case study at a California State…

Background: Adolescents' school engagement, mental health, and substance use have been major concerns during the COVID-19 pandemic, particularly given disruptions to school instruction. We examined how the instructional setting was associated with academic and health-related outcomes within an adolescent cohort followed during the pandemic.…

Electronic cigarette use has become epidemic among American youth. Little is known about the extent of use among d/Deaf and hard of hearing (d/Dhh) youth or prevention programming for this population. In a qualitative study with d/Dhh youth and school staff and administrators serving them, four focus groups were conducted with middle school…

Nearly all states and the District of Columbia have policies requiring schools to address prevention of alcohol or drug use and abuse in high school health education curricula, according to National Association of State Boards of Education's (NASBE's) State Health Policy Database. But with the added concerns about the pandemic's impact on youth…

This study examines the point-of-sale marketing practices used to promote electronic cigarettes at stores near schools that serve at-risk youths. One hundred stores selling tobacco products within a half-mile of alternative high schools in Southern California were assessed for this study. Seventy percent of stores in the sample sold electronic…