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Author  |
Ask, H.; Rognmo, K.; Torvik, F.A.; Roysamb, E.; Tambs, K. |
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Title |
Non-random mating and convergence over time for alcohol consumption, smoking, and exercise: the Nord-Trondelag Health Study |
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Journal Article |
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Year |
2012 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
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Volume |
42 |
Issue |
3 |
Pages |
354-365 |
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Keywords |
Adult; Age Factors; Aged, 80 and over; Alcohol Drinking/epidemiology/*genetics/psychology; Cohort Studies; Cross-Sectional Studies; Data Interpretation, Statistical; Exercise/*physiology/psychology; Female; Humans; Life Style; Longitudinal Studies; Male; *Marriage; Middle Aged; Nonlinear Dynamics; Norway/epidemiology; Prospective Studies; Smoking/epidemiology/*genetics/psychology; Spouses; Young Adult |
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Abstract |
Spouses tend to have similar lifestyles. We explored the degree to which spouse similarity in alcohol use, smoking, and physical exercise is caused by non-random mating or convergence. We used data collected for the Nord-Trondelag Health Study from 1984 to 1986 and prospective registry information about when and with whom people entered marriage/cohabitation between 1970 and 2000. Our sample included 19,599 married/cohabitating couples and 1,551 future couples that were to marry/cohabitate in the 14-16 years following data collection. All couples were grouped according to the duration between data collection and entering into marriage/cohabitation. Age-adjusted polychoric spouse correlations were used as the dependent variables in non-linear segmented regression analysis; the independent variable was time. The results indicate that spouse concordance in lifestyle is due to both non-random mating and convergence. Non-random mating appeared to be strongest for smoking. Convergence in alcohol use and smoking was evident during the period prior to marriage/cohabitation, whereas convergence in exercise was evident throughout life. Reduced spouse similarity in smoking with relationship duration may reflect secular trends. |
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Address |
Division of Mental Health, Norwegian Institute of Public Health, Oslo, Norway. heas@fhi.no |
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English |
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ISSN |
0001-8244 |
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Notes |
PMID:22005768 |
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no |
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Call Number |
HUNT @ maria.stuifbergen @ |
Serial |
1505 |
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