Adolescent Psychosocial Adjustment during COVID-19: An Intensive Longitudinal Study.

Objective: COVID-19 has presented threats to adolescents' psychosocial well-being, especially for those from economically disadvantaged backgrounds. This longitudinal study aimed to identify which social (i.e., family conflict, parental social support, peer social support), emotional (i.e., COVID-19 health-related stress), and physical (i.e., sleep quality, food security) factors influence adolescents' same- and next-day affect and misconduct and whether these factors functioned differently by adolescents' economic status.

Method: Daily-diary approaches were used to collect 12,033 assessments over 29 days from a nationwide sample of American adolescents ( =546;  = 15.0; 40% male; 43% Black, 37% White, 10% Latinx, 8% Asian American, and 3% Native American; 61% low-income) at the onset of the COVID-19 pandemic.

Results: Peer support, parent support, and sleep quality operated as promotive factors, whereas parent-child conflict and COVID-19 health-related stress operated as risk factors. Although these links were consistent for adolescents irrespective of economic status, low-income adolescents experienced more conflict with parents, more COVID-19 health-related stress, less peer support, and lower sleep quality than higher-income adolescents. Food insecurity was connected to decreased same- and next-day negative affect for low-income adolescents only. Low-income adolescents also displayed greater negative affect in response to increased daily health-related stress relative to higher-income adolescents.

Conclusion: These results highlight the role of proximal processes in shaping adolescent adjustment and delineate key factors influencing youth psychosocial well-being in the context of COVID-19. By understanding adolescents' responses to stressors at the onset of the pandemic, practitioners and healthcare providers can make evidence-based decisions regarding clinical treatment and intervention planning for youth most at risk for developmental maladjustment.