Stages of Change and Physical Activity Among Individuals With Severe Mental Illness

Jill L. Bezyak, Norman L. Berven, Fong Chan

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


To apply the constructs of the transtheoretical model (TTM) of change to understand physical activity among individuals with severe mental illness. Method: Predictions of stages of change of physical activity and self-reported physical activity were investigated among 92 adults with severe mental illness, using cognitive and behavioral processes of change, self-efficacy, and perceived pros and cons of exercise as predictors. Results: Separate logistic regression analyses for adjacent pairs of stages indicated that 33% of the variance was accounted for when predicting preparation versus action/maintenance stages, with behavioral processes making a significant unique contribution to prediction. A multiple-regression analysis was conducted to examine prediction of self-reported physical activity on the basis of all of the TTM measures, and the full model accounted for nearly 27% of the variance. Conclusion: Results suggest that TTM constructs hold promise in understanding physical activity of people with severe mental illness with significant implications for clinical practice and future research.

Original languageEnglish
Pages (from-to)182-190
Number of pages9
JournalRehabilitation Psychology
Issue number3
Publication statusPublished - 2011 Aug

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Clinical Psychology
  • Psychiatry and Mental health

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