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Myocardial infarction and death findings from a 22-year follow-up of a cohort of 980 employed Swedish men

Journal article
Authors Lennart Dimberg
Berne Eriksson
Mohammed Hashem
Published in Public Health
Volume 175
Pages 148-155
ISSN 0033-3506
Publication year 2019
Published at Institute of Medicine, School of Public Health and Community Medicine
Institute of Medicine, Department of Public Health and Community Medicine, Health Metrics
Pages 148-155
Language en
Keywords Mortality, Myocardial infarction, Cohort study, Middle-aged men, Risk factors, coronary-heart-disease, framingham risk score, middle-aged men, marital-status, cardiovascular risk, mortality, profile, strain, french, born, Public
Subject categories Clinical Medicine


Objectives: In this article, we present death and myocardial infarction (MI) incidences over 22 years in relation to possible risk factors and their explanatory value. Study design: In 1993, 980 middle-aged Swedish men in an automotive industry were surveyed at a health checkup as part of the Renault-Volvo Coeur project. The Swedish cohort was revisited in 2015. Methods: In 2015, incident MIs were identified using postal questionnaires, hospital records, and the Swedish national MI and death registers. The statistical results were given as odds ratios (ORs) and pseudo-R-2 (PR2), showing the proportion of variation in risk explained by logistic models. Results: One hundred and four deaths (4.6 per 1000 person-years) and 89 first MIs (4.2 per 1000 person-years) were identified. The Framingham risk index showed the strongest association with MI (OR = 23; 95% confidence interval [CI] = 5.42, 96.9), comparing the fifth quintile with the first. The all-cause death showed an OR of 3.2 (95% CI = 1.65, 6.08), with a suggested U-shape over quintiles. The percentages of PR2 for MI and death were 8.8% and 6.6%, respectively. All risk factors together explained 22% of the variation in risk of MI. Comparing mortality in men living alone with those married yielded an OR of 3.78, which was found to be statistically significant. The corresponding OR for MI was not significant. Conclusions: Traditional risk factors were confirmed but explained a modest proportion of the risk variation.

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