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The COVID-19 Own Risk Appraisal Scale (CORAS): Development and validation in two samples from the United Kingdom

Authors
  • Jaspal, Rusi1
  • Fino, Emanuele1
  • Breakwell, Glynis M.2
  • 1 Nottingham Trent University, UK
  • 2 Imperial College, UK
Type
Published Article
Journal
Journal of Health Psychology
Publisher
SAGE Publications
Publication Date
Oct 28, 2020
Identifiers
DOI: 10.1177/1359105320967429
PMID: 33111594
PMCID: PMC7593702
Source
PubMed Central
Keywords
Disciplines
  • Article
License
Green

Abstract

Perceived risk is an important determinant of the adoption of preventive behaviours. In this article, the psychometric properties of the COVID-19 Own Risk Appraisal Scale (CORAS), including its development and validation in two samples in the United Kingdom, are described. The CORAS is a measure of perceived personal risk of contracting the disease, incorporating primarily intuitive with some analytic risk estimates. Exploratory and confirmatory factor analyses were performed on data from 470 participants in the United Kingdom who completed the CORAS, the Fear of COVID-19 Scale and the COVID-19 Preventive Behaviours Index. Results showed that a unidimensional, six-item model fits the data well, with satisfactory fit indices, internal consistency and high item loadings onto the factor. We found no statistically significant differences by age, gender or ethnicity. The CORAS correlated positively with the Fear of COVID-19 Scale and the COVID-19 Preventive Behaviours Index, suggesting good concurrent validity.

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