Depression scores (DSSI) were available for 1232 MZ and 751 DZ female twin pairs who completed a mailed questionnaire. Pairs were divided into those concordant for being in a marriage-like state, concordant for having no partners, and those discordant. The pattern of twin correlations differed according to marital status. Our results suggest that having a marriage-like relationship acts as a protective factor in reducing the impact of inherited liability to symptoms of depression in the general population.

Original languageEnglish
Pages (from-to)119-122
Number of pages4
JournalTwin Research
Issue number3
StatePublished - 1998


  • Genotype environment interaction
  • Marital status
  • Twins
  • depression


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