作者: Carrie M Cottreau , Roberta B Ness , Andrea M Kriska
DOI: 10.1016/S0029-7844(00)00972-8
关键词: Ovarian cancer 、 Tubal ligation 、 Physical exercise 、 Case-control study 、 Body mass index 、 Gynecology 、 Odds ratio 、 Ovary 、 Medicine 、 Family history
摘要: Abstract Objective: To examine the relation between leisure-time physical activity and ovarian cancer. Methods: We used data from a population based case-control study. Cases ( n = 767) were women 20–69 years of age in whom epithelial cancer was diagnosed during 1994–1998 who resided defined region Pennsylvania, New Jersey, or Delaware. Controls 1367) ascertained by using random-digit dialing Health Care Financing Administration files frequency-matched to cases for county residence. Information on lifetime obtained in-person interviews. Results: Leisure-time significantly associated with reduced occurrence P .01). After adjustment age, parity, oral contraceptive use, tubal ligation, family history cancer, race, body mass index, highest level had an odds ratio 0.73 (95% CI 0.56, 0.94) compared lowest activity. When analyzed various recalled time periods life, ratios versus category at ages 14–17, 18–21, 22–29, 30–39, 40–49, >50 ranged 0.64–0.78. Conclusion: is