Endocrine

, Volume 52, Issue 2, pp 226–230 | Cite as

Leisure-time physical activity and risk of type 2 diabetes: a meta-analysis of prospective cohort studies

  • Pengcheng Huai
  • Huiju Han
  • Kathleen Heather Reilly
  • Xiaolei Guo
  • Jiyu Zhang
  • Aiqiang Xu
Meta-Analysis

Abstract

Published articles reported controversial results about the association between leisure-time physical activity (LTPA) and risk of type 2 diabetes. A meta-analysis of prospective cohort studies was conducted to explore the effect of LTPA on the incidence of type 2 diabetes. PubMed and Embase databases were searched from its inception to June 13, 2014. Fixed or random effects models were used to calculate the pooled effect sizes based on between-study heterogeneity that was examined by the Q test and I2 statistic. A total of eight studies, including 296,395 participants and 10,815 incident cases, were included in this study. Both high-level LTPA [high vs. low: hazard ratio (HR) 0.69, 95 % confidence interval (CI) 0.61–0.78] and moderate-level LTPA (moderate vs. low: HR 0.79, 95 % CI 0.70–0.89) were associated with decreased incidence of type 2 diabetes. In conclusion, LTPA was significantly associated with decreased risk of diabetes; high-level LTPA is more beneficial in decreasing the incidence of type 2 diabetes than moderate-level LTPA.

Keywords

Cohort studies Type 2 diabetes Meta-analysis Physical activity 

Notes

Acknowledgments

The study was supported by Risk Factor and Intervention Strategy of Life Expectancy in Shandong Province (2013WS0168).

Compliance with ethical standards

Conflict of Interest

None.

Supplementary material

12020_2015_769_MOESM1_ESM.doc (82 kb)
Supplementary material 1 (DOC 82 kb)

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Pengcheng Huai
    • 1
  • Huiju Han
    • 1
  • Kathleen Heather Reilly
    • 2
  • Xiaolei Guo
    • 3
  • Jiyu Zhang
    • 3
  • Aiqiang Xu
    • 1
    • 3
  1. 1.Department of Epidemiology, School of Public HealthShandong UniversityJinanChina
  2. 2.Independent ConsultantNew YorkUSA
  3. 3.Shandong Center for Disease Control and PreventionJinanChina

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