Association between average daily television viewing time and the incidence of ovarian cancer : findings from the Japan Collaborative Cohort Study

Ukawa, Shigekazu; Tamakoshi, Akiko; Mori, Mitsuru; Ikehara, Satoyo; Shirakawa, Toru; Yatsuya, Hiroshi; Iso, Hiroyasu; JACC study group

Association between average daily television viewing time and the incidence of ovarian cancer : findings from the Japan Collaborative Cohort Study

Ukawa, Shigekazu; Tamakoshi, Akiko; Mori, Mitsuru et al.

Cancer causes & control, 2018, 29(2), 213-219

Permalink : https://hdl.handle.net/2115/72460

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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/72460
タイトル	Association between average daily television viewing time and the incidence of ovarian cancer : findings from the Japan Collaborative Cohort Study
著者	Ukawa, Shigekazu ; Tamakoshi, Akiko ; Mori, Mitsuru ; Ikehara, Satoyo ; Shirakawa, Toru ; Yatsuya, Hiroshi ; Iso, Hiroyasu ; JACC study group
e-Rad_Researcher 40706751 著者名 Ukawa, Shigekazu
e-Rad_Researcher 90236737 著者名 Tamakoshi, Akiko
e-Rad_Researcher 50175634 著者名 Mori, Mitsuru
著者名 Ikehara, Satoyo
著者名 Shirakawa, Toru
e-Rad_Researcher 30324437 著者名 Yatsuya, Hiroshi
e-Rad_Researcher 50223053 著者名 Iso, Hiroyasu
著者名 JACC study group
言語	英語
キーワード	Ovarian neoplasms
	Sedentary behavior
	Cohort study
	Risk assessment
	Epidemiology
発行日	2018-02
出版者	Springer
収録物名	Cancer causes & control
巻(号)	29(2)
ページ	213-219
抄録	Purpose: Seventy-five percent of epidemiological studies have reported that sedentary behavior is associated with ovarian cancer incidence. Although Japan has one of the most sedentary populations, with median sitting times of 7 h/day, this association has not been investigated. This study aimed to elucidate the association between average daily television (TV) viewing time, which is a major sedentary behavior, and the incidence of ovarian cancer in a large-scale nationwide cohort study in Japan. Methods: A total of 34,758 female participants aged 40-79 years without a history of cancer at baseline were included in the study. The inverse probability weighted competing risk model was used to calculate the hazard ratio (HR) and 95% confidence interval (CI) for the incidence of ovarian cancer. Results: During a median follow-up of 19.4 years, 59 participants developed ovarian cancer (ICD-10: C56), 2,706 participants developed other types of cancer, and 4,318 participants died. Participants who watched TV for ≥ 5 h/day were more likely to develop ovarian cancer than those who watched TV for < 2 h/day (HR 2.15; 95% CI 1.54-2.99). Conclusion: Our findings suggest that reducing the amount of time spent sedentarily may be beneficial for preventing ovarian cancer.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The final publication is available at link.springer.com
PISSN	0957-5243
関連情報	PMID 29340890
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s10552-018-1001-8