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Article Dans Une Revue International Journal of Cancer Année : 2019

Lifetime recreational moderate‐to‐vigorous physical activity and ovarian cancer risk: A case–control study

Résumé

Results of epidemiologic studies of physical activity and ovarian cancer risk are inconsistent. Few have attempted to measure physical activity over the lifetime or in specific age windows, which may better capture etiologically relevant exposures. We examined participation in moderate-to-vigorous recreational physical activity (MVPA) in relation to ovarian cancer risk. In a population-based case-control study conducted in Montreal, Canada from 2011 to 2016 (485 cases and 887 controls), information was collected on lifetime participation in various recreational physical activities, which was used to estimate MVPA for each participant. MVPA was represented as average energy expenditure over the lifetime and in specific age-periods in units of metabolic equivalents (METs)-hours per week. Odds ratios (OR) and 95% confidence intervals (CI) for the relation between average MVPA and ovarian cancer risk were estimated using multivariable logistic regression models. Confounding was assessed using directed acyclic graphs combined with a change-in-estimate approach. The adjusted OR (95% CI) for each 28.5 MET-hr/week increment of lifetime recreational MVPA was 1.11 (0.99-1.24) for ovarian cancer overall. ORs for individual age-periods were weaker. When examined by menopausal status, the OR (95% CI) for lifetime MVPA was 1.21 (1.00-1.45) for those diagnosed before menopause and 1.04 (0.89-1.21) for those diagnosed postmenopausally. The suggestive positive associations were stronger for invasive ovarian cancers and more specifically for high-grade serous carcinomas. These results do not support a reduced ovarian cancer risk associated with MVPA.

Dates et versions

hal-03590285 , version 1 (27-02-2022)

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Citer

Anne Grundy, Vikki Ho, Michal Abrahamowicz, Marie-Élise Parent, Jack Siemiatycki, et al.. Lifetime recreational moderate‐to‐vigorous physical activity and ovarian cancer risk: A case–control study. International Journal of Cancer, 2019, 146 (7), pp.1800-1809. ⟨10.1002/ijc.32513⟩. ⟨hal-03590285⟩

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