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Fathers' intelligence measured at age 18-20 years is associated with offspring smoking: linking the Swedish 1969 conscription cohort to the Swedish Survey of Living Conditions
Stockholm University, Faculty of Social Sciences, Centre for Social Research on Alcohol and Drugs (SoRAD). Karolinska Institutet, Sweden.
Number of Authors: 4
2016 (English)In: Journal of Epidemiology and Community Health, ISSN 0143-005X, E-ISSN 1470-2738, Vol. 70, no 4, 396-401 p.Article in journal (Refereed) Published
Abstract [en]

Background An association between lower IQ of parents, measured early in life, and smoking among their offspring has been reported. The extent to which other background factors account for this association is unknown. Methods Data on IQ, smoking, mental health, social class, parental divorce and social problems in a cohort of men born during 1949-1951 and conscripted for military service in 1969 were linked to smoking data on 682 offspring interviewed in the Swedish Surveys of Living Conditions 1984-2009. Results In an age-adjusted model, a one-step decrease on a stanine scale was associated with an OR of 1.19 (95% CI 1.04 to 1.35) for offspring smoking. Adjusting for father's socioeconomic background and smoking, mental illness and social problems in youth only marginally lowered the OR's. Conclusions Lower IQ among fathers measured at ages 18-20years was associated with smoking in their offspring. The association was not explained by father's social class in childhood or a higher prevalence of mental illness, social problems or smoking measured among the fathers in their late adolescence.

Place, publisher, year, edition, pages
2016. Vol. 70, no 4, 396-401 p.
Keyword [en]
Cohort studies, Social and life-course epidemiology, Smoking, Public health, Registers
National Category
Health Sciences
URN: urn:nbn:se:su:diva-129904DOI: 10.1136/jech-2015-206149ISI: 000373309300014OAI: diva2:925898
Available from: 2016-05-03 Created: 2016-05-03 Last updated: 2016-05-03Bibliographically approved

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Hemmingsson, Tomas
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