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2025-05-07T17:28:52
RDF description of Self-reported activity and accelerometry in 2 behavior-maintenance trials - http://repository.healthpartners.com/individual/document-rn6845
2022-02-21T22:48:57.408-06:00
10.5993/AJHB.38.2.11
Questionnaires
Behavior
2
Physical Activity
<p>OBJECTIVES: To compare between accelerometry (MVPA-A) and self-reported activity (MVPA-SR) in activity-maintenance (Keep Active Minnesota; KAM) and weight loss-maintenance (Keep It Off; KIO) trials. METHODS: Linear regression estimated moderation of study, treatment, or time on MVPA-A and MVPA-SR associations. RESULTS: MVPA-A was similar between studies (KAM 119 minutes, KIO 112 minutes, p = .555), whereas MVPA-SR differed significantly (KAM 350 minutes, KIO 87 minutes, p < .0001). Only study moderated correlation between MVPA-A and MVPA-SR. MVPA-SR better predicted MVPA-A in KIO relative to KAM (p = .023). CONCLUSIONS: Results suggest that self-presentation bias may influence validity of self-report in intervention studies with activity as a primary outcome. Researchers should select self-report to assess activity dimensions that objective measures capture poorly.<p>
11759
document-rn6845
Self Report
Self-reported activity and accelerometry in 2 behavior-maintenance trials
18098
Comparative Studies
38
Body Mass Index
American Journal of Health Behavior
public