A prospective study exploring the construct and predictive validity of the COM-B model for physical activity

Neil Howlett; Joerg Schulz; Daksha Trivedi; Nicholas Troop; Angel  Chater

doi:10.1177/1359105317739098

A prospective study exploring the construct and predictive validity of the COM-B model for physical activity

Neil Howlett, Joerg Schulz, Daksha Trivedi, Nicholas Troop, Angel Chater

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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 language	English
Pages (from-to)	1378-1391
Journal	Journal of Health Psychology
Volume	24
Issue number	10
Early online date	27 Nov 2017
DOIs	https://doi.org/10.1177/1359105317739098
Publication status	Published - Sept 2019

Keywords

COM-B
health behaviour
physical activity
theoretical domains framework

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Cite this

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title = "A prospective study exploring the construct and predictive validity of the COM-B model for physical activity",

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 {\textquoteleft}habits{\textquoteright} (Capability), {\textquoteleft}subjective norms{\textquoteright} (Opportunity), and {\textquoteleft}exercise self-identity{\textquoteright} (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.",

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AU - Troop, Nicholas

AU - Chater, Angel

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N2 - 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.

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A prospective study exploring the construct and predictive validity of the COM-B model for physical activity

Abstract

Keywords

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