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. 2006 May-Jun;30(3):290-301.
doi: 10.5555/ajhb.2006.30.3.290.

Stages of change in physical exercise: a test of stage discrimination and nonlinearity

Sonia Lippke  1 , Ronald C Plotnikoff
Affiliations

Stages of change in physical exercise: a test of stage discrimination and nonlinearity

Sonia Lippke et al. Am J Health Behav. 2006 May-Jun.

Abstract

Objectives: To investigate the utility of the protection motivation theory (PMT), social-cognitive theory (SCT) and transtheoretical model's (TTM) processes of change (POC) by (1) discriminating between TTM's stages with planned comparisons and (2) examining higher-ordered trends across stages.

Methods: 1582 individuals were included in the analyses that tested severity, vulnerability, response-efficacy, self-efficacy, POC, pros and cons, social and environmental support.

Results: The findings provide evidence for the utility of the PMT and TTM's POC for stage discrimination; stage discontinuity patterns are supported.

Conclusions: Promotion of health behavior should target stage-specific variables, such as threat appraisals for early stage movements.

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