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Secondary outcomes of the guided self-help behavioral activation and physical activity for depression trial.

Publication Type:

Journal Article

Source:

J Ment Health, p.1-9 (2018)

Abstract:

<p><b>BACKGROUND: </b>This article presents secondary outcome variables from a randomized controlled trial evaluating the efficacy of two guided self-help interventions for the treatment of depression: behavioral activation (BA) and physical activity (PA). Both interventions resulted in significant reductions in depressive symptoms compared to the wait-list control group, however the mechanisms by which these interventions influenced depression were not presented.</p><p><b>PURPOSE: </b>The purpose of this paper was to compare changes in secondary outcome variables to gain insight into the mechanisms by which reactivation interventions reduce depressive symptoms.</p><p><b>RESULTS: </b>Mixed-model analysis of variances (ANOVAs) revealed significant increases in life satisfaction (Main effect: F = 4.63, p < 0.01) and self-efficacy (Main effect: F = 4.05, p < 0.01) as well as significant decreases in negative affect (Main effect: F =  5.24, p < 0.01) and loneliness (Main effect: F =  7.49, p < 0.01) in both interventions at pre-, mid-, post-intervention and follow-up. The group x time interactions were not significant, suggesting that the PA and BA interventions had comparable effects over time.</p><p><b>CONCLUSION: </b>These findings provide insight into the potential mechanisms underlying the effectiveness of guided self-help PA and BA interventions on depressive symptoms.</p>

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