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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. heas@fhi.no  
  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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