Association of tea consumption and the risk of gastric cancer in Japanese adults : the Japan Collaborative Cohort Study

Sheerah, Haytham; Keyang, Liu; Eshak, Ehab Salah; Cui, Renzhe; Shirai, Kokoro; Muraki, Isao; Iso, Hiroyasu; Tamakoshi, Akiko

Association of tea consumption and the risk of gastric cancer in Japanese adults : the Japan Collaborative Cohort Study

Sheerah, Haytham; Keyang, Liu; Eshak, Ehab Salah et al.

BMJ Open, 2020, 10(10), e038243

Permalink : https://hdl.handle.net/2115/79876

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https://doi.org/10.1136/bmjopen-2020-038243			18

論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/79876
タイトル	Association of tea consumption and the risk of gastric cancer in Japanese adults : the Japan Collaborative Cohort Study
著者	Sheerah, Haytham ; Keyang, Liu ; Eshak, Ehab Salah ; Cui, Renzhe ; Shirai, Kokoro ; Muraki, Isao ; Iso, Hiroyasu ; Tamakoshi, Akiko
著者名 Sheerah, Haytham
著者名 Keyang, Liu
e-Rad_Researcher 40835021 著者名 Eshak, Ehab Salah
e-Rad_Researcher 40375514 著者名 Cui, Renzhe
e-Rad_Researcher 80530211 著者名 Shirai, Kokoro
e-Rad_Researcher 70731561 著者名 Muraki, Isao
e-Rad_Researcher 50223053 著者名 Iso, Hiroyasu
e-Rad_Researcher 90236737 著者名 Tamakoshi, Akiko
言語	英語
キーワード	total tea
	green tea
	black tea
	oolong tea
	gastric cancer
発行日	2020
出版者	BMJ Publishing Group
収録物名	BMJ Open
巻(号)	10(10)
ページ	e038243
抄録	Objective To examine the possible relationship between tea consumption and risk of gastric cancer (GC) among Japanese men and women included in a large Japanese population-based study titled the Japan Collaborative Cohort (JACC) Study. Design Prospective cohort study. Setting A population-based cohort included subjects who were recruited from 24 areas of JACC Study, in which data regarding the incidence of cancer were available. Participants 63 848 participants (26 025 men and 37 823 women), aged 40-79, were included in the analyses and underwent follow-up (median 13.3 years) prospectively in research on cancer incidence. Primary and secondary outcome measures The primary outcome variable was the risk of GC according to the frequency intakes of total tea, green tea, black tea and oolong tea. The adjusted HRs for the risk of GC associated with tea consumption were calculated using the Cox proportional hazards model. Results 1494 cases of GC were detected (960 men and 534 women) during the follow-up period. The multivariable-adjusted HRs for the risk of GC in the highest versus lowest quintiles of total tea intake were 1.05 (0.83-1.33); p trend=0.50 in men, and 0.82 (0.60-1.12); p trend=0.45 in women. There was no association found between the consumption of green tea, black tea or oolong tea with the risk for GC in either gender. Conclusions In this large community-based prospective cohort study, tea consumption was not associated with the risk of GC in either gender.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution-NonCommercial 4.0 International
PISSN	2044-6055
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1136/bmjopen-2020-038243