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Cancer Epidemiol Biomarkers Prev. 2016 Jul;25(7):1114-24. doi: 10.1158/1055-9965.EPI-15-1330. Epub 2016 May 6.

Chronic Recreational Physical Inactivity and Epithelial Ovarian Cancer Risk: Evidence from the Ovarian Cancer Association Consortium.

Author information

1
Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York.
2
Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, New York.
3
Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut.
4
Department of Biostatistics & Bioinformatics, Roswell Park Cancer Institute, Buffalo, New York.
5
Department of Gynecologic Oncology, Roswell Park Cancer Institute, Buffalo, New York.
6
Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany. University Cancer Center Hamburg (UCCH), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
7
Department of Gynecology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.
8
Department of Obstetrics and Gynecology, Hannover Medical School, Hannover, Niedersachsen, Germany.
9
Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York. Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, New York.
10
Cancer Prevention and Control, Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey.
11
Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, North Carolina.
12
Obstetrics and Gynecology Epidemiology Center, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
13
Department of Epidemiology, The Geisel School of Medicine at Dartmouth Medical, Hanover, New Hampshire.
14
Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania. Ovarian Cancer Center of Excellence, Women's Cancer Research Program, Magee-Women's Research Institute and University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
15
Biostatistics and Informatics Shared Resource, University of Kansas Medical Center, Kansas City, Kansas.
16
Department of Health Science Research, Division of Epidemiology, Mayo Clinic, Rochester, Minnesota.
17
Cancer Prevention and Control, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, California.
18
Department of Virus, Lifestyle, and Genes, Danish Cancer Society Research Center, Copenhagen, Denmark. Molecular Unit, Department of Pathology, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark.
19
Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Aichi, Japan.
20
Department of Virus, Lifestyle, and Genes, Danish Cancer Society Research Center, Copenhagen, Denmark.
21
Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia. Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
22
Department of Virus, Lifestyle, and Genes, Danish Cancer Society Research Center, Copenhagen, Denmark. Department of Gynaecology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
23
Division of Molecular Medicine, Aichi Cancer Center Research Institute, Nagoya, Aichi, Japan.
24
The University of Texas School of Public Health, Houston, Texas.
25
Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
26
Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York.
27
Department of Epidemiology, University of Michigan, Ann Arbor, Michigan.
28
Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington.
29
Department of Preventive Medicine, Keck School of Medicine, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California.
30
Department of Health Science Research, Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota.
31
Division of Cancer Epidemiology and Genetics, NCI, Bethesda, Maryland.
32
Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania. Ovarian Cancer Center of Excellence, Women's Cancer Research Program, Magee-Women's Research Institute and University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania.
33
Department of Public Health Sciences, The University of Virginia, Charlottesville, Virginia.
34
Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina.
35
Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York. kirsten.moysich@roswellpark.org.

Abstract

BACKGROUND:

Despite a large body of literature evaluating the association between recreational physical activity and epithelial ovarian cancer (EOC) risk, the extant evidence is inconclusive, and little is known about the independent association between recreational physical inactivity and EOC risk. We conducted a pooled analysis of nine studies from the Ovarian Cancer Association Consortium to investigate the association between chronic recreational physical inactivity and EOC risk.

METHODS:

In accordance with the 2008 Physical Activity Guidelines for Americans, women reporting no regular, weekly recreational physical activity were classified as inactive. Multivariable logistic regression was utilized to estimate the ORs and 95% confidence intervals (CI) for the association between inactivity and EOC risk overall and by subgroups based upon histotype, menopausal status, race, and body mass index.

RESULTS:

The current analysis included data from 8,309 EOC patients and 12,612 controls. We observed a significant positive association between inactivity and EOC risk (OR = 1.34; 95% CI, 1.14-1.57), and similar associations were observed for each histotype.

CONCLUSIONS:

In this large pooled analysis examining the association between recreational physical inactivity and EOC risk, we observed consistent evidence of an association between chronic inactivity and all EOC histotypes.

IMPACT:

These data add to the growing body of evidence suggesting that inactivity is an independent risk factor for cancer. If the apparent association between inactivity and EOC risk is substantiated, additional work via targeted interventions should be pursued to characterize the dose of activity required to mitigate the risk of this highly fatal disease. Cancer Epidemiol Biomarkers Prev; 25(7); 1114-24. ©2016 AACR.

PMID:
27197285
PMCID:
PMC4930728
DOI:
10.1158/1055-9965.EPI-15-1330
[Indexed for MEDLINE]
Free PMC Article

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