The genetic and environmental structure of the covariation among the symptoms of insomnia, fatigue, and depression in adult females.

Abstract

Although the co-occurrence among symptoms of insomnia, fatigue, and depression has been frequently reported, the etiology of this co-occurrence remains poorly understood. A total of 3,758 adult female twins in the United Kingdom completed a mail-out survey including six questions concerning frequency and severity of symptoms of insomnia, fatigue, and… (More)
DOI: 10.1017/thg.2012.60

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@article{Hur2012TheGA, title={The genetic and environmental structure of the covariation among the symptoms of insomnia, fatigue, and depression in adult females.}, author={Y B Hur and Andrea Burri and Tim D. Spector}, journal={Twin research and human genetics : the official journal of the International Society for Twin Studies}, year={2012}, volume={15 6}, pages={720-6} }