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Longitudinal measurement invariance of psychosocial measures in physical activity research: An application to adolescent data
Roesch, Scott C. Norman, Gregory J. Merz, Erin L. Sallis, James F. Patrick, Kevin
Roesch, Scott C.
Norman, Gregory J.
Merz, Erin L.
Sallis, James F.
Patrick, Kevin
Abstract
The current study served as a practical and substantive guide to establishing longitudinal measurement invariance of psychosocial measures commonly used in adolescent physical activity (PA) research. Psychosocial data on an initial sample of 878 adolescents (ages 11–15) recruited through primary care providers were provided at baseline, 6, 12, and 24 months. The target measures included family support, peer support, decisional balance (pros, cons), self-efficacy, and behavioral strategies. Five of the six psychosocial measures exhibited strict longitudinal measurement invariance, with the sixth measure (self-efficacy) exhibiting strong longitudinal measurement invariance. These findings support the equivalence of these measures across time, and provide the foundation to substantively interpret group differences and associations involving these measures and PA.
Keywords
Date
2013
Type
Journal article
Journal
Journal of Applied Social Psychology
Book
Volume
43
Issue
4
Page Range
721-729
Article Number
ACU Department
Mary MacKillop Institute for Health Research
Faculty of Health Sciences
Faculty of Health Sciences
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Open Access Status
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Controlled