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Pet Ownership and Cancer Risk in the Women's Health Initiative
Journal article   Open access   Peer reviewed

Pet Ownership and Cancer Risk in the Women's Health Initiative

David O Garcia, Eric M Lander, Betsy C Wertheim, JoAnn E Manson, Stella L Volpe, Rowan T Chlebowski, Marcia L Stefanick, Lawrence S Lessin, Lewis H Kuller and Cynthia A Thomson
Cancer epidemiology, biomarkers & prevention, v 25(9), pp 1311-1316
Sep 2016
PMID: 27365150
url
https://europepmc.org/articles/pmc5010503View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Aged Animals Case-Control Studies Cats Dogs Female Humans Incidence Middle Aged Neoplasms - epidemiology Obesity - complications Ownership - statistics & numerical data Pets Postmenopause Proportional Hazards Models Prospective Studies Psittaciformes Risk Factors United States
Pet ownership and cancer are both highly prevalent in the United States. Evidence suggests that associations may exist between this potentially modifiable factor and cancer prevention, though studies are sparse. The present report examined whether pet ownership (dog, cat, or bird) is associated with lower risk for total cancer and site-specific obesity-related cancers. This was a prospective analysis of 123,560 participants (20,981 dog owners; 19,288 cat owners; 1,338 bird owners; and 81,953 non-pet owners) enrolled in the Women's Health Initiative observational study and clinical trials. Cox proportional hazards models were used to estimate HR and 95% confidence intervals for the association between pet ownership and cancer, adjusted for potential confounders. There were no significant relationships between ownership of a dog, cat, or bird and incidence of cancer overall. When site-specific cancers were examined, no associations were observed after adjustment for multiple comparisons. Pet ownership had no association with overall cancer incidence. This is the first large epidemiologic study to date to explore relationships between pet ownership and cancer risk, as well as associated risks for individual cancer types. This study requires replication in other sizable, diverse cohorts. Cancer Epidemiol Biomarkers Prev; 25(9); 1311-6. ©2016 AACR.

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InCites Highlights

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Collaboration types
Domestic collaboration
Web of Science research areas
Oncology
Public, Environmental & Occupational Health
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