Association between intelligence and coronary heart disease mortality: a population-based cohort study of 682 361 Swedish men

Oxford University Press (OUP) - Tập 14 Số 4 - Trang 555-560 - 2007
Karri Silventoinen1, Karin Modig2, Per Tynelius3, Finn Rasmussen2,3
1Department of Public Health, University of Helsinki, Helsinki, Finland
2Department of Public Health Sciences, Karolinska Institute, Stockholm, Sweden
3Division of Epidemiology, Stockholm Centre of Public Health, Stockholm, Sweden

Tóm tắt

Background Socio-economic position and intelligence predict coronary heart disease but their mutual associations are not yet well understood. We investigated associations between intelligence and coronary heart disease mortality and explored if they are confounded or modified by socio-economic position. Design This was a cohort-based follow-up study. Methods Data on intelligence, systolic and diastolic blood pressures and body mass index were measured at conscription examination at age 18 years in 682 361 Swedish men born 1951-1965. Data on parental and own education and social position were derived from censuses in 1960, 1970, 1980 and 1990. Follow-up data up to end of 2001 were derived from the Swedish Cause of Death Register and 737 coronary heart disease deaths were observed. Data were analyzed by Cox regression and conditional logistic regression models. Results An inverse association was found between intelligence and coronary heart disease mortality after adjustment for parental and own education and social position, body mass index and blood pressure (hazard ratio 0.92; 95% confidence interval 0.88-0.96). These associations were of similar strengths within all socio-economic categories and also found within 215 brother pairs discordant for coronary heart disease mortality and intelligence (odds ratio 0.76; 95% confidence interval 0.58-1.00). Conclusions Intelligence is associated with coronary heart disease mortality independently of socio-economic position. Health education messages should be tailored according to intellectual performance of the recipients, but also other factors are important for socio-economic coronary heart disease inequalities.

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Tài liệu tham khảo

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Oxford University Press (OUP)

Tập 14 Số 4

555-560

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