Sleep duration and the risk of breast cancer: The Ohsaki Cohort Study

M. Kakizaki, S. Kuriyama, T. Sone, K. Ohmori-Matsuda, A. Hozawa, N. Nakaya, S. Fukudo, I. Tsuji

Research output: Contribution to journalArticle

111 Citations (Scopus)

Abstract

In a prospective study of 23 995 Japanese women, short sleep duration was associated with higher risk of breast cancer (143 cases), compared with women who slept 7 h per day, the multivariate hazard ratio of those who slept ≤6 h per day was 1.62 (95% confidence interval: 1.05-2.50; P for trend=0.03).

Original languageEnglish
Pages (from-to)1502-1505
Number of pages4
JournalBritish Journal of Cancer
Volume99
Issue number9
DOIs
Publication statusPublished - 2008 Oct 4

Keywords

  • Breast cancer
  • Incidence
  • Japanese
  • Prospective cohort study
  • Sleep duration

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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