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Genetics of Perceived Family Interaction From 12 to 17 Years of Age.
Journal Title
Behavior genetics
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2019-05-24
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49
Publication Issue
4
Publication Begin
366
Publication End
375
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s10519-019-09960-z.pdf
Adobe PDF, 482.79 KB
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Abstract
We analyzed how the effects of genetic and environmental factors on the perceptions of family interaction change from early to late adolescence. The data were collected by postal surveys on Finnish twins (N = 4808) at 12, 14 and 17 years of age and analyzed using genetic twin modeling. Additive genetic factors explained a modest share of the variation in perceived relational support (a = 0.30 in boys and 0.18 in girls) and relational tensions (a = 0.13 and 0.14, respectively) at 12 years of age, with the proportions becoming larger through 17 years of age (a = 0.53 in boys and 0.49 in girls for relational support; a = 0.35 in boys and 0.33 in girls for relational tensions). Simultaneously, the role of environment shared by co-twins decreased. These findings suggest that the associations between perceived family interaction and other factors in adulthood should be interpreted with caution, because they partly reflect genetic background, whereas in childhood, they may provide more reliable information on parental characteristics.
Citation
Silventoinen K, Su J, Pulkkinen L, Barr P, Rose RJ, Dick DM, Kaprio J. Genetics of Perceived Family Interaction From 12 to 17 Years of Age. Behav Genet. 2019 Jul;49(4):366-375. doi: 10.1007/s10519-019-09960-z. Epub 2019 May 24. Erratum in: Behav Genet. 2019 Jul 1;: PMID: 31127448; PMCID: PMC6554250.