Understanding physical activity in individuals with prediabetes: An application of social cognitive theory

Lorian M. Taylor, Kim D. Raine, Ronald C. Plotnikoff, Jeff K. Vallance, Arya M. Sharma, John C. Spence

Research output: Contribution to journalJournal Articlepeer-review

5 Citations (Scopus)


Despite well-documented evidence implicating physical activity (PA) in the prevention of type 2 diabetes, the overwhelming majority of individuals with prediabetes are not physically active enough. The purpose of this study was to investigate the applicability of the social cognitive theory (SCT) in understanding PA behaviour in individuals with prediabetes. Individuals with prediabetes (N = 232) completed a mailed questionnaire assessing demographics, self-reported PA (MET.min/wk) and SCT constructs for PA MET.min/wk. For PA MET.min/wk, scheduling and task efficacy both had significant effects on PA (β =.30 and.22, respectively). Goal formation also had a direct effect on PA for scheduling, coping and task efficacy (β =.20,.34 and.30, respectively). Task, coping and scheduling efficacy explained a significant portion of the variance in PA behaviour. Overall, SCT appears to have merit as a model for understanding PA in individuals with prediabetes. Further evaluative inquiry is needed to establish support for the use of the SCT as a framework for developing, implementing and evaluating PA behaviour change interventions in this population.

Original languageEnglish
Pages (from-to)254-260
Number of pages7
JournalPsychology, Health and Medicine
Issue number2
Publication statusPublished - 17 Feb. 2016


  • physical activity
  • prediabetes
  • social cognitive theory


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