A cross-sectional study of the association between working hours and sleep duration among the Japanese working population

Tadahiro Ohtsu, Yoshitaka Kaneita*, Sayaka Aritake, Kazuo Mishima, Makoto Uchiyama, Tsuneto Akashiba, Naohisa Uchimura, Shigeyuki Nakaji, Takeshi Munezawa, Akatsuki Kokaze, Takashi Ohida

*この研究の対応する著者

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Objectives: This study aimed to clarify the association between long working hours and short sleep duration among Japanese workers. Methods: We selected 4,000 households from across Japan by stratified random sampling and conducted an interview survey of a total of 662 participants (372 men; 290 women) in November 2009. Logistic regression analyses were performed using "sleep duration < 6 hours per day" as a dependent variable to examine the association between working hours/overtime hours and short sleep duration. Results: When male participants who worked for ≥ 7 but < 9 hours per day were used as a reference, the odds ratio (OR) for short sleep duration in those who worked for ≥ 11 hours was 8.62 (95% confidence interval [CI]: 3.94-18.86). With regard to overtime hours among men, when participants without overtime were used as a reference, the OR for those whose period of overtime was ≥ 3 hours but < 4 hours was 3.59 (95% CI: 1.42-9.08). For both men and women, those with long weekday working hours tended to have a short sleep Durationduration during weekdays and holidays. Conclusions: It is essential to avoid working long hours in order to prevent short sleep duration.

本文言語English
ページ(範囲)307-311
ページ数5
ジャーナルJournal of Occupational Health
55
4
出版ステータスPublished - 2013
外部発表はい

ASJC Scopus subject areas

  • 公衆衛生学、環境および労働衛生

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