Publications by authors named "Joan Shim"
Multiple forms of discrimination and obsessive-compulsive disorder: a prospective cohort study.
Child Adolesc Psychiatry Ment Health
February 2025
Background: Discrimination increases the risk for adverse mental health in minority populations, with studies showing elevated rates of obsessive-compulsive disorder (OCD) in Black adults facing racial discrimination. Yet, there is a lack of longitudinal research on the different forms of discrimination in relation to OCD risk in early adolescence. The objective of this study was to examine the prospective associations between multiple forms of discrimination and OCD in a national sample of U.
View Article and Find Full Text PDFArticle Synopsis
- The study analyzed data from 8006 early adolescents to assess how different types of screen time relate to substance use experimentation over one year.
- Increased overall screen time, especially on social media, texting, and video chatting, was linked to higher likelihoods of trying substances like alcohol, nicotine, and cannabis.
- The findings suggest that digital interactions may drive early adolescent substance use, prompting the need for further research to understand these connections better and develop effective interventions.
Objectives: To evaluate the prevalence of weight discrimination (the perception of being treated unfairly based on weight) and its sociodemographic associations among early adolescents aged 10 to 13 in the United States.
Methods: We analyzed cross-sectional data from the Adolescent Brain Cognitive Development (ABCD) Study in Year Two (2018-2020). Multivariable logistic regression analyses were conducted, with perceived weight discrimination as the dependent variable and age, sex, sexual orientation, race and ethnicity, body mass index (BMI) category, household income, and highest parental education level as adjusted independent variables.
Purpose: To determine prospective associations between bedtime screen use behaviors and sleep outcomes one year later in a national study of early adolescents in the United States.
Methods: We analyzed prospective cohort data from 9,398 early adolescents aged 11-12 years (48.4% female, 45% racial/ethnic minority) in the Adolescent Brain Cognitive Development Study (Years 2-3, 2018-2021).
Objective: To investigate the prevalence and sociodemographic associations of online dating in a demographically diverse U.S. national cohort of early adolescents.
View Article and Find Full Text PDFPurpose: To determine the association between sociodemographic characteristics and blood pressure among a demographically diverse population-based sample of 10-14-year-old US adolescents.
Methods: We conducted cross-sectional analyses of data from the Adolescent Brain Cognitive Development Study (N = 4,466), year two (2018-2020). Logistic and linear regression models were used to determine the association between sociodemographic characteristics (sex, race/ethnicity, sexual orientation, household income, and parental education) with blood pressure among early adolescents.
Purpose: To determine the sociodemographic correlates of alcohol expectancies (i.e., beliefs regarding positive or negative effects of alcohol) in a national (U.
View Article and Find Full Text PDFComprehensive data on transmission mitigation behaviors and both SARS-CoV-2 infection and serostatus are needed from large, community-based cohorts to identify COVID-19 risk factors and the impact of public health measures. We conducted a longitudinal, population-based study in the East Bay Area of Northern California. From July 2020-March 2021, approximately 5,500 adults were recruited and followed over three data collection rounds to investigate the association between geographic and demographic characteristics and transmission mitigation behavior with SARS-CoV-2 prevalence.
View Article and Find Full Text PDFBackground: Rare genetic variants are emerging as important contributors to the heritability of multiple sclerosis (MS). Whether rare variants also contribute to pediatric-onset multiple sclerosis (POMS) is unknown.
Objective: To test whether genes harboring rare variants associated with adult-onset MS risk (, and ) and 52 major histocompatibility complex (MHC) genes are associated with POMS.