A twin study of genetic and environmental influences on psychological traits of eating disorders in a Japanese female sample

被引：6

作者：

Kamakura, T

Ando, J

Ono, Y

Maekawa, H

机构：

[1] Keio Univ, Grad Sch Human Relat, Chofu, Tokyo, Japan

[2] Keio Univ, Fac Letters, Tokyo, Japan

[3] Keio Univ, Ctr Hlth, Kanagawa, Japan

[4] Keio Univ, Grad Sch Human Relat, Tokyo, Japan

来源：

TWIN RESEARCH | 2003年 / 6卷 / 04期

关键词：

D O I：

10.1375/twin.6.4.292

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

The purpose of the present study was to clarify genetic and environmental origins of psychological traits of eating disorders using a Japanese female twin sample. Participants were 162 pairs of female twins consisting of 116 pairs of monozygotic (MZ) twins and 46 pairs of dizygotic (DZ) twins in their adolescence. Psychological traits of eating disorders were assessed with five subscales of the Eating Disorder Inventory (EDI). As a result of using univariate twin analyses, among five subscales of EDI (maturity fears, ineffectiveness, interpersonal distrust, interoceptive awareness, and perfectionism), perfectionism showed significant additive genetic contributions and individual specific environmental effects. On the other hand, maturity fears, ineffectiveness, interoceptive awareness, and interpersonal distrust indicated significant shared environment contributions and individual specific environment effects. The results suggest the importance of both genetic and shared environmental influences on psychological traits of eating disorders in the present study.

引用

页码：292 / 296

页数：5

共 33 条

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