Title: Gender differences in binge-eating: a population-based twin study
Authors: Reichborn-Kjennerud, T
Bulik, C M
Kendler, K S
Røysamb, E
Maes, Hugo
Tambs, K
Harris, J R #
Issue Date: Sep-2003
Series Title: Acta psychiatrica Scandinavica vol:108 issue:3 pages:196-202
Abstract: OBJECTIVE: To assess whether genetic and environmental effects on liability to binge-eating (BE) are of equal importance for males and females and whether the same genetic risk factors predispose to BE in the two sexes. METHOD: Questionnaire data on 8045 same sex and opposite sex twins, aged 19-31 years, from a population-based Norwegian registry, was used to estimate the relative contribution of genetic and environmental factors to liability for BE utilizing structural equation modeling. RESULTS: In the best-fitting model, the magnitude of genetic and environmental effects on BE was the same for males and females. Heritability was 51%. The correlation between genetic risk factors in men and women was estimated to be +0.57. CONCLUSION: Binge-eating appears to be equally heritable in males and females. Although the majority of the genetic risk factors are shared between the sexes, there may exist gender-specific genetic effects on liability.
ISSN: 0001-690X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Group Neurophysiology
# (joint) last author

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