Sleep duration and cancer risk in women

Purpose: The objective was to conduct an analysis of sleep duration and risk of selected site-specific and groups of cancer among a large prospective cohort of California women. Methods: The study population was comprised of 101,609 adult females participating in the California Teachers Study. All s...

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Bibliographic Details
Published in:Cancer causes & control 2015-07, Vol.26 (7), p.1037-1045
Main Authors: Hurley, Susan, Goldberg, Debbie, Bernstein, Leslie, Reynolds, Peggy
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Biomedical and Life Sciences
Biomedicine
BRIEF REPORT
California - epidemiology
Cancer
Cancer Research
Epidemiology
Estrogens
Female
Females
Hematology
Human subjects
Humans
Hysterectomy
Medical research
Melanoma
Middle Aged
Neoplasms - epidemiology
Oncology
Proportional Hazards Models
Prospective Studies
Public Health
Questionnaires
Risk Factors
Self Report
Sleep
Womens health
Young Adult
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Summary:Purpose: The objective was to conduct an analysis of sleep duration and risk of selected site-specific and groups of cancer among a large prospective cohort of California women. Methods: The study population was comprised of 101,609 adult females participating in the California Teachers Study. All sites of invasive cancer prospectively diagnosed from baseline (1995–1996) through 2011 were identified through linkage to the California Cancer Registry (n = 12,322). Site-specific analyses focused on the following cancers: breast (n = 5,053), colorectal (n = 983), lung (n = 820), melanoma (n = 749), and endometrial (n = 957). Additionally, we evaluated a group of estrogenmediated cancers consisting of breast, endometrial, and ovarian cancer (n = 6,458). Sleep duration was based on self-report of average time sleeping in the year prior to baseline. Cox proportional hazard models were used to calculate adjusted hazard ratios and 95 % confidence intervals (HRs, 95 % CI). Results: Point estimates for all sites and site-specific cancers generally were near or below one for short sleepers (
ISSN:0957-5243
1573-7225
1573-7225
DOI:10.1007/s10552-015-0579-3