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Behavioural analysis of postnatal physical activity in the UK according to the COM-B model: a multi-methods study
  1. Kate Ellis,
  2. Sally Pears,
  3. Stephen Sutton
  1. Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
  1. Correspondence to Kate Ellis; nke22{at}medschl.cam.ac.uk

Abstract

Objective Develop a behavioural analysis of factors influencing postnatal physical activity (PA) according to the ‘capability, opportunity, motivation and behaviour’ (COM-B) model of behaviour to inform intervention development using the Behaviour Change Wheel (BCW).

Design Cross-sectional, multi-method study using semi-structured interviews and a quantitative questionnaire.

Setting Children’s centres and mother and baby groups in Hertfordshire and Cambridgeshire, UK.

Participants Convenience samples of postnatal women were interviewed (n=16) and completed the questionnaire (n=158).

Methods Semi-structured interviews followed a preprepared topic guide exploring the COM-B model components and analysed using framework analysis. The questionnaire, based on the self-evaluation of behaviour questionnaire, was adapted using patient and public involvement and findings from the interviews. Questionnaire participants rated their agreement with 22 predefined statements related to COM-B model components. Mean, SD and 95% CI were calculated and each item categorised according to importance. Demographic data were collected.

Results The questionnaire identified that new mothers would be more active if they had more time, felt less tired, had accessible childcare, were part of a group, advised by a healthcare professional, able to develop a habit and had more motivation. Additional themes emerging from qualitative data were engaging in PA groups with other new mothers, limited physical stamina following complicated births, social interaction, enjoyment and parental beliefs as motivation, provision of child-friendly PA facilities and environments and babies’ unpredictable routines.

Conclusion The behavioural analysis presented in this paper identifies and adds detail on the range of factors influencing the target behaviour. Some are unique to the target population, requiring targeted interventions for postnatal women, whereas some are individualised, suggesting the need for individually tailored interventions. We will use the behavioural analysis presented to design an intervention using the subsequent steps in the BCW.

  • physical activity
  • postnatal
  • COM-B model

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

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Footnotes

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  • Contributors KE and SS were responsible for planning and design of the study. KE was responsible for data collection. KE and SP were responsible for data analysis. KE wrote the first draft. All authors read and approved the manuscript.

  • Funding This study is funded by the National Institute for Health Research (NIHR) School for Primary Care Research. The views expressed are those of the authors and not necessarily those of the NIHR, the NHS or the Department of Health and Social Care.

  • Competing interests None declared.

  • Ethics approval The study received ethical approval from the Psychology Research Ethics Committee, University of Cambridge (PRE.2017.037 and PRE.2017.077)

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data are available.

  • Patient consent for publication Not required.

  • Patient and public involvement Questionniare reviewed by Cambridge University Hospitals PPI panel

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