, 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


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.


Cohort studies Type 2 diabetes Meta-analysis Physical activity 



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

Compliance with ethical standards

Conflict of Interest


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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