Psychological approaches to reducing sedentary behavior show promise, with uncertain evidence
A review separated studies that predicted sedentary behavior from interventions intended to change it, finding encouraging results alongside substantial bias concerns.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Programs grounded in social cognitive, action control or dual-process theories showed promise for reducing sedentary behavior. The review also found some support for predicting sedentary behavior, but prediction and successful intervention are different questions. Evidence was too limited to judge stage-based or humanistic approaches, and weaknesses in intervention studies reduce confidence in the findings.
The abstract reports median standardized effects without enough detail on comparison groups or follow-up to judge how much sedentary time changed or how long changes lasted.
Prediction and change differ
The review included 20 observational studies and 19 experimental studies. Social cognitive and dual-process frameworks had enough evidence to support prediction of sedentary behavior, but that alone does not show that applying a theory changes behavior.
Why confidence is limited
Among intervention studies, 10 of 19 were judged at high risk of bias. Stage-based and humanistic approaches lacked sufficient evidence, which means they remain uncertain rather than having been shown to be ineffective.
The original publication
Application of Psychological Theories to Predict and Change Sedentary Behavior Among Adults: A Systematic Review of the Literature.
Zhang H, Kompf J, Rhodes RE
Int J Behav Med · 2025
- PubMed ID
- 41261324
- Record checked
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