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Author (up) Ask, H.; Idstad, M.; Engdahl, B.; Tambs, K. url  doi
  Title Non-random mating and convergence over time for mental health, life satisfaction, and personality: the Nord-Trondelag Health Study Type Journal Article
  Year 2013 Publication Behavior Genetics Abbreviated Journal Behav Genet  
  Volume 43 Issue 2 Pages 108-119  
  Keywords Adult; Female; Humans; Male; Marriage/*psychology; Middle Aged; Norway; *Personal Satisfaction; *Personality; Spouses/*psychology  
  Abstract Earlier studies have shown evidence for various sources of observed spousal similarity regarding different traits and characteristics. We explored the relative contribution of non-random mating and convergence to spouse similarity with respect to global mental health, life satisfaction, optimism, and type A personality. We used population-based data collected for the Nord-Trondelag Health Study (1984-1986) and prospective registry information about when and with whom people entered into marriage/cohabitation between 1970 and 2000 for 19,599 married/cohabitating couples and 1,551 future couples that entered into marriage/cohabitation during the 16 years after data collection. Couples were categorized by interval between data collection and entry into marriage/cohabitation. Age-adjusted polychoric correlations calculated for each group were used as the dependent variables in non-linear, segmented regression analysis, with time since or until marriage/cohabitation as the independent variable. Initial correlations between partners-to-be were low to moderate, typically around one-half of the values estimated in existing couples, indicating both non-random mating and early convergence. There appeared to be moderate divergence during the first 20 years of marriage/cohabitation and moderate convergence during the rest of life.  
  Address Division of Mental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0001-8244 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:23264209 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1467  
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