The structure of the genetic and environmental influences on mental well-being
C.L.M. Keyes,
J.M. Myers and
K.S. Kendler
American Journal of Public Health, 2010, vol. 100, issue 12, 2379-2384
Abstract:
Objectives. We sought to investigate the structure of the genetic and environmental in?uences on 3 measures of mental well-being. Methods. Analyses focused on the subsample of 349 monozygotic and 321 dizygotic same-sex twin pairs from a nationally representative sample of twins who completed self-report measures of emotional, psychological, and social well-being. Results. The best-?t model contained a common pathway to all 3 measures of well-being, no shared environmental effects, and 1 set of parameters for men and women. Heritability for the latent ''mental well-being'' factor was high (72%) and best indexed by psychological well-being. Moderate trait-speci?c genetic effects were seen for emotional and social well-being. Nonshared environmental effects for all measures were mostly trait speci?c. Conclusions. Genetic in?uences on the measures of mental well-being re?ect a single, highly heritable genetic factor, although some trait-speci?c genetic in?uences were seen for emotional and social well-being. Moderate proportions of environmental in?uences were also shared, but the majority of unique environment was trait-specific.
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2010.193615_0
DOI: 10.2105/AJPH.2010.193615
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