Using behavioural theory to understand adherence to behaviours that reduce transmission of Covid-19: evidence from the CHARIS representative national study

Diane Dixon* (Corresponding Author), Chantal den Daas, Gill Hubbard, Marie Johnston

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)
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Abstract

Objectives
To examine the ability of four models of behaviour, namely, Protection Motivation Theory (PMT), the Common Sense Self‐Regulation Model (CS‐SRM), and Social Cognitive Theory and the Reasoned Action Approach (SCT and RAA) to understand adherence to transmission‐reducing behaviours (TRBs) advised by national governments for suppression of SARS‐CoV2.

Design
A series of six cross‐sectional telephone surveys of a random representative sample of adults living in Scotland.

Methods
Self‐reported adherence to three TRBs (physical distancing, wearing a face covering and handwashing), PMT, CS‐SRM, and SCT/RAA constructs, and sociodemographic variables were measured each week for 6 weeks (n = ~500 p/w; third June–15th July) via a 15 min telephone survey.

Results
Adherence was high (‘Always’ or ‘Most times’) throughout for physical distancing and handwashing, and, when mandated, for wearing a face covering. Older people were more adherent to all TRBs. Constructs from all three models predicted all three TRBs. Intention and self‐efficacy (SCT/RAA) were the only beliefs to predict to all three TRBs each week and for all groups equally; intention was the strongest predictor. The predictive utility of PMT and CS‐SRM varied by TRB and by group. Of note was the observation that several illness beliefs were associated with adherence only for those who believed they had not had COVID‐19.

Conclusions
The CHARIS project has identified beliefs about specific behaviours, the illness and the risks associated with lower adherence rates that might be addressed in national interventions. It confirms previous findings that some groups show lower levels of adherence and might be specially targeted.
Original languageEnglish
Pages (from-to)116-135
Number of pages20
JournalBritish Journal of Health Psychology
Volume27
Issue number1
Early online date17 May 2021
DOIs
Publication statusPublished - 1 Feb 2022

Bibliographical note

Acknowledgements
We would like to thank our co‐investigators on the CHARIS study: University of Aberdeen: Professor Peter Murchie and Dr Julia Allan; University of Stirling: Ms Martine Stead, Professor Ronan O’Carroll, Dr Barbara Farquharson, and Dr Wendy Maltinsky; University of Edinburgh: Professor Stewart Mercer; University of Strathclyde: Dr Leanne Fleming, and a Scotland‐wide consortium of 33 behavioural scientists and our PPI Group. CHARIS was funded via a grant from the Chief Scientist Office, Edinburgh (COV/ABN/20/07).

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

Keywords

  • Coronavirus
  • PMT
  • CS-SRM
  • STC
  • RAA
  • Adherence
  • Transmission

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