Abstract
The present study aimed to: (1) identify recent temporal changes in the prevalence of different cognitive and behavioral eating disorder (ED) symptoms, current probable EDs, lifetime ED diagnoses, and mental healthcare use among college students across the United States; (2) determine whether established disparities in ED prevalence and receiving mental healthcare have widened or narrowed over time for marginalized groups within this population. Participants included a large national sample of U.S. college students (N=286,720) who completed the repeated cross-sectional Healthy Minds Study from 2013 to 2020. Descriptive statistics and polynomial regressions quantified time-trends in participants' ED symptoms and past 12-month mental healthcare. Moderated regressions examined temporal changes in ED symptoms and mental healthcare based on sociodemographic characteristics. Individuals' engagement in different cognitive and behavioral ED symptoms, and likelihoods of exhibiting current probable EDs, reporting lifetime ED diagnoses, and (for individuals with current probable EDs) receiving therapy or counseling in the past 12-months exhibited nonlinear increases from 2013 to 2020. Further, the prevalence of current and lifetime ED symptoms and (for symptomatic individuals) past 12-month mental healthcare differed over time for individuals with different BMIs and gender, sexual, and racial/ethnic identities (but not ages). In particular, individuals with higher BMIs and those who identified as male, bisexual, and gay, lesbian, or queer exhibited increasing ED pathology over time. These findings provide important information on groups of U.S. college students that have experienced increasing burden of ED symptoms and may help guide ED prevention, treatment, and research priorities. Recent temporal changes in the prevalence of eating disorder (ED) symptoms and mental healthcare were examined in a national sample of U.S. young adults. Non-linear increases in ED symptoms and mental healthcare were identified among U.S. young adults overall from 2013 to 2020. U.S. young adults with higher BMIs, males, bisexual, and gay, lesbian, or queer individuals exhibited increasing ED burden over time.
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