Self-reported sitting time and prevalence of erectile dysfunction in Japanese patients with type 2 diabetes mellitus: The Dogo Study

No evidence exists regarding the association between sitting time and erectile dysfunction (ED) among patients with type 2 diabetes mellitus. The aim of this study was to evaluate the association between self-reported sitting time and ED among patients with type 2 diabetes mellitus.

Study subjects were 430 male Japanese patients with type 2 diabetes mellitus (mean age, 60.5years). A self-administered questionnaire was used to collect information on the variables under study. The study subjects were asked about time spent sitting during typical 24-hour periods over the past 12months. Subjects were divided into four groups according to self-reported sitting time: 1) <5hours, 2) 5-7hours, 3) 7-9hours, and 4) ≥9hours. ED was defined as present when a subject had a Sexual Health Inventory for Men score <8. Adjustment was made for age, body mass index, duration of type 2 diabetes, current smoking, current drinking, hypertension, coronary artery disease, stroke, glycated hemoglobin, walking habit, and diabetic neuropathy.

The prevalence values of moderate to severe ED and severe ED were 36.1% and 49.8%. At least 9hours sitting was independently positively associated with severe ED but not moderate to severe ED; the adjusted OR was 1.84 (95% CI: 1.06-3.33). In the multivariate model, there was a statistically significant inverse exposure-response relationship between the self-reported sitting time and severe ED (p for trend=0.029).

Self-reported sitting time may be positively associated with ED in Japanese patients with type 2 diabetes mellitus.

Journal of diabetes and its complications. 2016 Oct 18 [Epub ahead of print]

Shinya Furukawa, Takenori Sakai, Tetsuji Niiya, Hiroaki Miyaoka, Teruki Miyake, Shin Yamamoto, Sayaka Kanzaki, Koutatsu Maruyama, Keiko Tanaka, Teruhisa Ueda, Hidenori Senba, Masamoto Torisu, Hisaka Minami, Takeshi Tanigawa, Bunzo Matsuura, Yoichi Hiasa, Yoshihiro Miyake

Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan; Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan. Electronic address: ., Department of Internal Medicine, Yawatahama General City Hospital, Ehime, Japan., Department of Internal Medicine, Matsuyama Shimin Hospital, Ehime, Japan., Department of Internal Medicine, Saiseikai Matsuyama Hospital, Ehime, Japan., Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan., Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Ehime, Japan., Department of Public Health, Juntendo University School of Medicine, Tokyo, Japan., Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan; Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan., Department of Internal Medicine, Ehime Prefectural Central Hospital, Ehime, Japan., Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan., Department of Internal Medicine, Saiseikai Saijo Hospital, Ehime, Japan., Department of Internal Medicine, Ehime Niihama Hospital, Ehime, Japan.

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