Physical activity, the Framingham risk score and risk of coronary heart disease in men and women of the EPIC-Norfolk study

Benoit J. Arsenault, Jamal S. Rana, Isabelle Lemieux, Jean-Pierre Després, Nicholas J. Wareham, John J. P. Kastelein, S. Matthijs Boekholdt, Kay-Tee Khaw

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Abstract

Objective: Test the hypothesis that considering leisure-time and work-related physical activity habits in addition to the Framingham risk score (FRS) would result into better classification of coronary heart disease (CHD) risk than FRS alone. Methods: Prospective, population-based study of 9564 men and 12165 women aged 45-79 years followed for an average of 11.4 years. A modified FRS which takes into account physical activity (evaluated using a validated lifestyle questionnaire taking into account leisure-time and work-related physical activity) was computed. Results: During follow-up, 2191 CHD events occurred. Among 3369 men who were classified as intermediate risk (event rate of 12.4%) according to the FRS, 413 were reclassified into the low-risk category and 279 were reclassified into the high-risk category after modification of the FRS. After reclassification of these men, CHD event rate was of 5.3% and 18.6%, respectively for men classified at low and high CHD risk. Among 4766 women initially classified as intermediate risk (event rate of 8.4%), 1282 were reclassified into the low-risk category whereas 1071 women were reclassified into the high-risk category. After reclassification of these women, CHD event rate was of 6.8% and 12.2%, respectively for women classified at low and high CHD risk. Conclusions: Results of the present study suggest that asking simple questions about leisure-time and work-related physical activity which can be rapidly obtained by any physician at no cost could be helpful in the estimation of patients' CHD risk. (C) 2009 Elsevier Ireland Ltd. All rights reserved
Original languageEnglish
Pages (from-to)261-265
JournalAtherosclerosis
Volume209
Issue number1
DOIs
Publication statusPublished - 2010

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