Social cognitive determinants of physical activity in young adults: A prospective structural equation analysis

Liza S. Rovniak, Eileen S. Anderson, Richard A. Winett, Robert S. Stephens

Research output: Contribution to journalArticlepeer-review

280 Scopus citations

Abstract

This study used a prospective design to test a model of the relation between social cognitive variables and physical activity in a sample of 277 university students. Social support, self-efficacy, outcome expectations, and self-regulation were measured at baseline and used to predict physical activity 8 weeks later Results of structural equation modeling indicated a good fit of the social cognitive model to the data. Within the model, self-efficacy had the greatest total effect on physical activity, mediated largely by self-regulation, which directly predicted physical activity. Social support indirectly predicted physical activity through its effect on self-efficacy. Outcome expectations had a small total effect on physical activity, which did not reach significance. The social cognitive model explained 55% of the variance observed in physical activity.

Original languageEnglish (US)
Pages (from-to)149-156
Number of pages8
JournalAnnals of Behavioral Medicine
Volume24
Issue number2
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Psychology(all)
  • Psychiatry and Mental health

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