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Associations of Body Mass Index, Smoking, and Alcohol Consumption With Prostate Cancer Mortality in the Asia Cohort Consortium

Authors
Fowke, Jay H.McLerran, Dale F.Gupta, Prakash C.He, JiangShu, Xiao-OuRamadas, KunnambathTsugane, ShoichiroInoue, ManamiTamakoshi, AkikoKoh, Woon-PuayNishino, YoshikazuTsuji, IchiroOzasa, KotaroYuan, Jian-MinTanaka, HideoAhn, Yoon-OkChen, Chien-JenSugawara, YumiYoo, Keun-YoungAhsan, HabibulPan, Wen-HarnPednekar, MangeshGu, DongfengXiang, Yong-BingSauvaget, CatherineSawada, NorieWang, RenweiKakizaki, MasakoTomata, YasutakeOhishi, WakaButler, Lesley M.Oze, IsaoKim, Dong-HyunYou, San-LinPark, Sue K.Parvez, FaruqueChuang, Shao-YuanChen, YuLee, Jung EunGrant, EricRolland, BetsyThornquist, MarkFeng, ZidingZheng, WeiBoffetta, PaoloSinha, RashmiKang, DaeheePotter, John D.
Issue Date
Sep-2015
Publisher
OXFORD UNIV PRESS INC
Keywords
alcohol drinking; Asia; mortality; obesity; prostate cancer; prostate-specific antigen; smoking
Citation
AMERICAN JOURNAL OF EPIDEMIOLOGY, v.182, no.5, pp 381 - 389
Pages
9
Journal Title
AMERICAN JOURNAL OF EPIDEMIOLOGY
Volume
182
Number
5
Start Page
381
End Page
389
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/10227
DOI
10.1093/aje/kwv089
ISSN
0002-9262
1476-6256
Abstract
Many potentially modifiable risk factors for prostate cancer are also associated with prostate cancer screening, which may induce a bias in epidemiologic studies. We investigated the associations of body mass index (weight (kg)/height (m)(2)), smoking, and alcohol consumption with risk of fatal prostate cancer in Asian countries where prostate cancer screening is not widely utilized. Analysis included 18 prospective cohort studies conducted during 1963-2006 across 6 countries in southern and eastern Asia that are part of the Asia Cohort Consortium. Body mass index, smoking, and alcohol intake were determined by questionnaire at baseline, and cause of death was ascertained through death certificates. Analysis included 522,736 men aged 54 years, on average, at baseline. During 4.8 million person-years of follow-up, there were 634 prostate cancer deaths (367 prostate cancer deaths across the 11 cohorts with alcohol data). In Cox proportional hazards analyses of all cohorts in the Asia Cohort Consortium, prostate cancer mortality was not significantly associated with obesity (body mass index > 25: hazard ratio (HR) = 1.08, 95% confidence interval (CI): 0.85, 1.36), ever smoking (HR = 1.00, 95% CI: 0.84, 1.21), or heavy alcohol intake (HR = 1.00, 95% CI: 0.74, 1.35). Differences in prostate cancer screening and detection probably contribute to differences in the association of obesity, smoking, or alcohol intake with prostate cancer risk and mortality between Asian and Western populations and thus require further investigation.
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