Insomnia as a risk for depression: a longitudinal epidemiologic study on a Japanese rural cohort.

Abstract

OBJECTIVES To determine (1) whether insomnia is a factor related to the presence or persistence of depression for 2 years in the Japanese population and (2) which component of insomnia is associated with the presence of depression for 2 years in a rural cohort. METHOD This is a community-based longitudinal study. Two thousand eight hundred twenty-five… (More)
DOI: 10.4088/JCP.10m06286

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Cite this paper

@article{Okajima2012InsomniaAA, title={Insomnia as a risk for depression: a longitudinal epidemiologic study on a Japanese rural cohort.}, author={Isa Okajima and Yoko Komada and Takashi Nomura and Kenji Nakashima and Yuichi Inoue}, journal={The Journal of clinical psychiatry}, year={2012}, volume={73 3}, pages={377-83} }