Adult stature and risk of cancer at different anatomic sites in a cohort of postmenopausal women.
نویسندگان
چکیده
BACKGROUND Prospective studies in Western and Asian populations suggest that height is a risk factor for various cancers. However, few studies have explored potential confounding or effect modification of the association by other factors. METHODS We examined the association between height measured at enrollment in 144,701 women participating in the Women's Health Initiative and risk of all cancers combined and cancer at 19 specific sites. Over a median follow-up of 12.0 years, 20,928 incident cancers were identified. We used Cox proportional hazards models to estimate HR and 95% confidence intervals (CI) per 10 cm increase in height, with adjustment for established risk factors. We also examined potential effect modification of the association with all cancer and specific cancers. RESULTS Height was significantly positively associated with risk of all cancers (HR = 1.13; 95% CI, 1.11-1.16), as well as with cancers of the thyroid, rectum, kidney, endometrium, colorectum, colon, ovary, and breast, and with multiple myeloma and melanoma (range of HRs: 1.13 for breast cancer to 1.29 for multiple myeloma and thyroid cancer). These associations were generally insensitive to adjustment for confounders, and there was little evidence of effect modification. CONCLUSIONS This study confirms the positive association of height with risk of all cancers and a substantial number of cancer sites. IMPACT Identification of single-nucleotide polymorphisms associated both with height and with increased cancer risk may help elucidate the association.
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ورودعنوان ژورنال:
- Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
دوره 22 8 شماره
صفحات -
تاریخ انتشار 2013