cohort·epidemiology, psychiatry, public health, cardiology, observational study·PMC10382951
Association of Depressive Symptom Trajectory With Physical Activity Collected by mHealth Devices in the Electronic Framingham Heart Study: Cohort Study
JMIR Mental Health · 13 authors, 13 centres
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The study constructed depressive symptom trajectories from 722 eFHS participants using CES-D scores and antidepressant use from three exams over 14 years, identifying low, moderate, and high symptom groups.
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The study constructed depressive symptom trajectories from 722 eFHS participants using CES-D scores and antidepressant use from three exams over 14 years, identifying low, moderate, and high symptom groups. Subsequent physical activity was measured via a smartphone app (Physical Activity Index) and smartwatch step counts over a 1-year follow-up. The observational design limits causal inference, and the sample was mostly White, educated, and from New England, limiting generalizability. The findings suggest antecedent depressive symptoms are associated with lower subsequent physical activity measured objectively and via app.
