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Associations between intelligence in adolescence and indicators of health and health behaviors in midlife in a cohort of Swedish women
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2012 (English)In: Intelligence, ISSN 0160-2896, E-ISSN 1873-7935, Vol. 40, no 2, 82-90 p.Article in journal (Refereed) Published
Abstract [en]

The objective of this study was to investigate associations between intelligence and indicators of health status and health behaviors at age 43 in a cohort of Swedish women (n = 682). Intelligence was measured by standard IQ tests given at ages 10, 13, and 15. At the age of 43, 479 of the women were sampled for a medical examination in which 369 participated (77% participation rate). We performed correlations of IQ and the continuous health variables and we estimated logistic regression models with dichotomous health variables as the dependent variables. No significant correlations were found between IQ and any of the continuous health variables. In unadjusted logistic regression models where the cut-off points were set based on standard health risk levels, four out of sixteen indicators of unfavorable health status and health behaviors showed significant negative associations with intelligence, meaning higher risk with decreasing IQ-score. After adjusting for educational level, two remained statistically significant: being obese, OR 1.51 (95% CI 1.08, 2.12) and having a high systolic blood pressure OR 1.45 (95% CI 1.03, 2.03). For all other health variables, this study finds no support for a sizable association between IQ in adolescence and indicators of health and health behavior in midlife among Swedish women.

Place, publisher, year, edition, pages
2012. Vol. 40, no 2, 82-90 p.
Keyword [en]
Cognitive epidemiology, Health behavior, Health, Women, Intelligence
National Category
URN: urn:nbn:se:su:diva-80145DOI: 10.1016/j.intell.2012.02.002ISI: 000302980300003OAI: diva2:552976


Available from: 2012-09-17 Created: 2012-09-12 Last updated: 2012-09-17Bibliographically approved

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Bergman, Lars R.
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