Long-term impact of cardiorespiratory fitness on type 2 diabetes incidence: A cohort study of Japanese men

Ryoko Kawakami, Susumu S. Sawada, I. Min Lee, Yuko Gando, Haruki Momma, Shin Terada, Chihiro Kinugawa, Takashi Okamoto, Koji Tsukamoto, Mitsuru Higuchi, Motohiko Miyachi, Steven N. Blair

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Background: We sought to examine the association between cardiorespiratory fitness (CRF) and incidence of type 2 diabetes considering the follow-up period in a cohort of Japanese men with a maximum follow-up period of 23 years. Methods: This study enrolled 7,804 male workers free of diabetes in 1986. CRF was measured using a cycle ergometer, and maximal oxygen uptake was estimated. During 1986–2009, participants were followed for development of type 2 diabetes, which was diagnosed using fasting blood tests, self-administered questionnaires, or oral glucose tolerance tests after urinary tests from annual health checkups. Hazard ratios for the incidence of type 2 diabetes were estimated using Cox proportional hazards models. Results: During the follow-up period, 1,047 men developed type 2 diabetes. In analyses by follow-up periods (1986–1993, 1994–2001, and 2002–2009), there was an inverse dose-response relationship between CRF and the development of type 2 diabetes for all three follow-up periods (P for trend 0.019, <0.001, and 0.001, respectively), and the association between CRF at baseline and the incidence of type 2 diabetes did not weaken with longer follow-up period. Compared with the lowest CRF group, hazard ratios of developing type 2 diabetes were 0.69 (95% confidence interval [CI], 0.49–0.97) for the highest CRF group in 1986–1993, 0.57 (95% CI, 0.42–0.79) for the highest CRF in 1994–2001, and 0.47 (95% CI, 0.30–0.74) for the highest CRF in 2002–2009. Conclusion: High CRF is associated with a lower risk of the incidence of type 2 diabetes over an extended period of >20 years among men.

本文言語English
ページ(範囲)266-273
ページ数8
ジャーナルjournal of epidemiology
28
5
DOI
出版ステータスPublished - 2018 5 5

ASJC Scopus subject areas

  • 疫学

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