Abstract

Background

Although percentage risk formats are commonly used to convey cardiovascular disease (CVD) risk, people find it difficult to understand these representations.

Aims

To compare the impact of providing a CVD risk message in either a traditional format (% risk) or using an analogy of risk (Heart-Age) on participants' risk perceptions and intention to make lifestyle changes.

Methods

Four hundred and thirteen men and women were randomly allocated to one of two conditions; CVD risk as a percentage or as a Heart-Age score (a cardiovascular risk adjusted age).

Results

There was a graded relationship between perceived and actual CVD risk only in those participants receiving a Heart-Age message (P<0.05). Heart-Age was more emotionally impactful in younger individuals at higher actual CVD risk (P<0.01). Self-reported emotional reactions further mediated the relationship between risk perception and intention to make lifestyle changes.

Conclusion

This study found that the Heart-Age message significantly differed from percentage CVD risk score in risk perceptions and was more emotionally impactful in those participants at higher actual CVD risk levels.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://dbpia.nl.go.kr/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
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