The role of COVID-19 fears and related behaviors in understanding daily adolescent health behaviors during the pandemic.

We examined the prospective associations of COVID-19 fears and behavior, and daily physical activity and dysregulated eating. Adolescents (N = 31) aged 11-17 completed selected subscales of the Fear of Illness and Virus Evaluation and completed a 7-day health behavior diary. Greater fear of contamination was associated with lower daily physical activity. In contrast, greater COVID-19 precautionary behavior was associated with greater daily physical activity. COVID-19 fears and precautionary behaviors have differential associations with health promoting behavior engagement. Future studies should explore the mechanisms underlying these links to guide adaptation of health behavior interventions for this unique cohort.