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Type: Journal article
Title: Weight-related peer-teasing moderates genetic and environmental risk and disordered eating: twin study
Author: Fairweather-Schmidt, A.K.
Wade, T.D.
Citation: British Journal of Psychiatry, 2017; 210(5):350-355
Publisher: Royal College of Psychiatrists
Issue Date: 2017
ISSN: 0007-1250
Statement of
A. Kate Fairweather-Schmidt, Tracey D. Wade
Abstract: Background: Weight-related peer-teasing is considered a potent prospective risk factor for development of disordered eating and clinical eating disorders. Currently, the interplay between genetic and environmental influences has yet to be elucidated.Aims: To determine whether peer-teasing moderates latent genetic and/or environmental risk for disordered eating among female adolescent twins.Method: Full quantitative gene-environment interplay modelling of longitudinal trajectory of disordered eating in 685 female twins from the Australian Twin Registry.Results: A model permitting moderation of disordered eating by peer-teasing involving genetic and non-shared environment effects fit these data best. As levels of peer-teasing increased, both genetic and environmental influences on disordered eating strengthened; however, genetic sources increased proportionally more than environmental sources.Conclusions: Weight-related peer-teasing represents a particularly powerful trigger for disordered eating. Nevertheless, it is amenable to intervention/prevention activities spanning individual to universal levels of endeavour.
Keywords: Humans
Body Weight
Risk Factors
Peer Group
Interpersonal Relations
Feeding and Eating Disorders
Rights: © The Royal College of Psychiatrists 2017.
DOI: 10.1192/bjp.bp.116.184648
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