Abstract summary 

Physical activity has the potential to improve physical and mental health outcomes of persons with depression. However, feasible and acceptable strategies to integrate physical activity interventions into real-world settings are needed.To assess the feasibility and acceptability of a manualized Behavioral Activation intervention aimed to increase physical activity in persons with depression (defined as a PHQ-9 score ≥ 10).A single-arm pilot study was conducted. The intervention consisted of 8 tele-therapy sessions delivered over a 10-week period. Measures of feasibility included screening, enrollment, intervention adherence, outcome data availability, and intervention fidelity. Acceptability was assessed with a post-intervention survey and qualitatively through focus groups and interviews. Preliminary efficacy of the intervention was assessed by evaluating pre-to-post changes in physical activity and depressive symptoms.All feasibility metrics exceeded predetermined feasibility goal metrics with the exception of Fitbit wear and screening rate, which was due to a greater than anticipated enrollment rate. Participants (n = 15) reported perceived benefits from the intervention and convenience in attending tele-therapy sessions. Depressive symptoms, as measured by the PHQ-9 improved (16.8 at enrollment to 10.1 post intervention, Cohen's d = 1.13). Self-reported moderate-to-vigorous physical activity (MVPA) increased from 22.0 min/week at baseline to 36.67 min/week post-intervention (d = 0.58). Physical activity as measured by the Fitbit showed little change (daily step 5543.29 during Week 1 to 6177.48 during Week 10, (d = 0.14); MVPA 21.23 min/week during Week 1 to 19.22 at Week 10 (d = 0.0.06).Results of the pilot study suggest the intervention is feasible to deliver and acceptable to participants. Preliminary results suggest the intervention may be effective in improving depressive symptoms and increasing self-reported physical activity.ClinicalTrials.gov NCT04990401, Registered July 21, 2021.

Authors & Co-authors:  Rethorst Chad D CD Trombello Joseph M JM Chen Patricia M PM Carmody Thomas J TJ Goodman Lynnel C LC Lazalde Alejandra A Trivedi Madhukar H MH

Study Outcome 

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