Sex difference in the prevalence of metabolic syndrome and cardiovascular-related risk factors in urban adults from 33 communities of China: The CHPSNE study

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  • Qing-Bin Song
    Department of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, People’s Republic of China
  • Yang Zhao
    Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, Shenyang, People’s Republic of China
  • Yu-Qin Liu
    Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, Shenyang, People’s Republic of China
  • Jian Zhang
    Department of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, People’s Republic of China
  • Shi-Jie Xin
    Department of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, People’s Republic of China
  • Guang-Hui Dong
    Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, Shenyang, People’s Republic of China

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<jats:p> Little is known about the epidemiology of metabolic syndrome in urban areas of China. To estimate the prevalence of MetS and identify its cardiovascular-related factors in men and women, a representative sample of 15,477 urban adults aged 18–74 years in Northeast China was selected from 2009 to 2010. The diagnosis of metabolic syndrome was based on criteria set by the National Cholesterol Education Program/Adult Treatment Panel. The overall prevalence of metabolic syndrome was 27.4% (men 27.9% and women 26.8%). Multivariable logistic regression analysis revealed that a higher education level and a higher family income were associated with a higher prevalence of metabolic syndrome in men, but associated with lower prevalence of metabolic syndrome among women. Higher physical activity was associated with a decreased prevalence of metabolic syndrome in men (adjusted odds ratios (aORs) = 0.88, 95% confidence interval (CI): 0.79–0.99), but associated with an increased prevalence of metabolic syndrome in women (aOR = 1.14, 95% CI: 1.00–1.29). Compared with rice as the major staple food, cooked wheaten foods were associated with lower adjusted odds for metabolic syndrome both in men (aOR = 0.72, 95% CI: 0.58–0.90) and in women (aOR = 0.72, 95% CI: 0.56–0.92). In conclusion, metabolic syndrome is highly prevalent in urban areas of China, and there is heterogeneity by sex in the relationships between risk factors and metabolic syndrome prevalence. </jats:p>

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