Background: The COVID-19 pandemic disrupted access to school meal programs, putting children and adolescents at greater risk for food and nutrition insecurity. In response, the US Department of Agriculture (USDA) waived restrictions on where free meal sites (FMS) operating through its summer meal programs could locate. This study assesses whether…

During adolescence, parental and peer support and emotional intelligence (EI) may play a protective role against the risk of becoming a victim of bullying. This study aims to assess the role of perceived parental and peer support in promoting individual EI, reducing the risk of victimisation. The sample consisted of 348 Italian middle and high…

Reservation-dwelling American Indian adolescents are at exceedingly high risk for cannabis use. Prevention initiatives to delay the onset and escalation of use are needed. The risk and promotive factors approach to substance use prevention is a well-established framework for identifying the timing and targets for prevention initiatives. This study…

Adolescents from urban communities are at risk for unhealthy snacking behaviors. Youth advocacy interventions are shown to improve certain adolescent health behaviors, such as substance use. However, it remains unclear if youth advocacy is a feasible method to promote healthy snacking. As such, the aim of this study was to examine the feasibility…

Objective: To examine the association between childhood ADHD and lifestyle risk factors (physical inactivity and high fast-food consumption) from adolescence to early adulthood. Methods: This retrospective cohort study used secondary data from Wave I to III of the National Longitudinal Study of Adolescent Health (Add Health) in a national…

This study used a longitudinal probability sample survey, "Understanding Society: COVID-19," to examine trajectories in adolescents' mental health, via the Strengths and Difficulties Questionnaire, at three timepoints during COVID-19 with a particular emphasis on vulnerable groups (i.e., young carers, adolescent girls, BAME--Black, Asian…

Children who show elevated levels of indirect aggression (IA) from childhood to adolescence are at increased risks of experiencing detrimental outcomes. Some studies suggest that psychopathic traits could act as a predisposing vulnerability in the development of IA, but the contributions of all three dimensions of psychopathic traits in explaining…

Background: This study aimed to investigate the association between violent sexual victimization and muscle-building exercise among adolescents. Methods: Cross-sectional data from the 2019 National Youth Risk Behavior Survey (N = 8408) were analyzed. Two indicators of non-dating-related sexual violence (lifetime, past 12 months), along with one…

There is evidence to suggest that undocumented, unaccompanied migrant youths confront emotional and physical hardships while working in the U.S. agriculture industry. However, little is known about the type of support available to these youths that could protect them from negative developmental outcomes. This qualitative research was designed to…

Adolescents with food allergies (FA) face unique challenges, including an increased risk of bullying, yet comprehensive national studies on this intersection are lacking. Our study examines the prevalence and association between FA and bullying among US high-school adolescents, utilizing Youth Risk Behavior Survey (2015-2019) data. Analyzing…

Adolescents with autism spectrum disorder (ASD) are at a heightened risk for obesity. Family-level measures of nutrition and physical activity may help explain factors contributing to disproportionate rates of weight gain. Twenty adolescents with ASD participated in baseline testing for a study to assess the feasibility of remotely-delivered yoga.…

Minority stress theory is a model for understanding health disparities among sexual minorities, defined as those who experience a level of same-sex attraction, identity, or behavior. Methods for assessing minority stress among youth included only adult measures until the development of the Sexual Minority Adolescent Stress Inventory (SMASI). The…

In 2020, COVID-19 began to affect adolescents' mental health, particularly cisgender girls and transgender/gender diverse (TGD) adolescents, who previously experienced a greater risk for depression and anxiety disorders than their peers. The present study investigated the moderating effect of gender on internalizing symptoms among three community…

Electronic cigarettes are the most widely used tobacco product among youth in the United States. Although rapidly growing, research on effective message strategies for e-cigarette use prevention is still limited. This study examined the relative effectiveness of gain framing versus loss framing in youth-targeting prevention text messages delivered…

Bullying is widely prevalent in the US. Although anti-bullying laws have been implemented across the country since 1999, bullying prevalence rates remain high. Research suggests that being a bully or a bully victim or both makes an individual more likely to experience worse physical, mental, and financial health. This dissertation comprises of…