Abstract

This study examined the constructs of Capability, Opportunity, and Motivation from the COM-B model and their influence on moderate-to-vigorous physical activity (MVPA). Using a prospective survey design, 186 healthy adults completed measures representing the Theoretical Domains Framework mapped to the COM-B, and MVPA one week later. The main indicators for the COM constructs were ‘habits’ (Capability), ‘subjective norms’ (Opportunity), and ‘exercise self-identity’ (Motivation). Motivation (77%) and MVPA (50%) were strongly predicted, with Capability and Motivation as key drivers of behaviour. Motivation was a strong mediator for Capability on behaviour. Future research should consider this approach for other populations and behaviours.
Original languageEnglish
Pages (from-to)1378-1391
JournalJournal of Health Psychology
Volume24
Issue number10
Early online date27 Nov 2017
DOIs
Publication statusPublished - Sept 2019

Keywords

  • COM-B
  • health behaviour
  • physical activity
  • theoretical domains framework

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