Key result
The 2010-2012 survey reveals a ~97% higher metabolic syndrome prevalence among Chinese adults versus 2002.
Why the study?
The study was designed to estimate the national prevalence of metabolic syndrome, its individual components, and its changes over a decade in China.
Cross-Sectional (n=152,333)
Yes
Absolute Event Rate: 18.7% vs 9.5%
The prevalence of metabolic syndrome in Chinese adults nearly doubled from 2002 to 2012, reaching 18.7%, driven by significant increases in abdominal obesity, hyperglycemia, high triglycerides, and low HDL-C.
Rising metabolic syndrome prevalence in Chinese adults supports increasing cardiometabolic burden; hypothesis-generating and requires prospective confirmation before guiding policy.
BACKGROUND AND OBJECTIVES: The purpose of our study was to estimate the national prevalence of metabolic syndrome, its individual components and its changes in the past decade. METHODS AND STUDY DESIGN: Two national-representative cross-sectional surveys: the China National Nutrition and Health Survey 2002 (CNNHS 2002) and the Chinese National Nutrition and Health Surveillance 2010-2012 (CNNHS 2010-2012). A total of 48,235 and 104,098 participants aged 18 years or older who had completed data on physical examination, blood lipids, and fasting glucose tests from CNNHS 2002 and CNNHS 2010-2012, respectively, were included in current study. RESULTS: The prevalence of metabolic syndrome in Chinese adults increased from 9.5% (95% confident interval [CI]: 9.2%-9.7%) in 2002 to 18.7% (18.3%-19.1%) in 2010-2012, corresponding to an estimated 83.6 million adults in 2002 and 189 million adults in 2010-2012 living with metabolic syndrome in China. The increment was more than doubled among young, rural residents and those from poor households. Abdominal obesity, hyperglycemia, high triglycerides, low HDL-C, and elevated blood pressure were found in 18.9% (18.5%-19.3%), 6.4% (6.2%-6.7%), 13.8% (13.5%-14.2%), 19.3% (18.9%-19.7%), and 34.0% (33.5%-34.5%) of adults in 2002, respectively, which was 25.8% (25.3%-26.2%), 16.2% (15.8%-16.5%), 23.7% (23.3%-24.2%), 32.6% (32.0%-33.1%), and 34.4% (33.9%-34.9%), respectively, in 2010-2012. CONCLUSIONS: Based on two nationally representative surveys, our results indicated that the prevalence of metabolic syndrome is widespread and increasing in China.
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He et al. (2019) conducted a cross-sectional in Metabolic syndrome (n=152,333). Survey period 2010-2012 vs. Survey period 2002 was evaluated on Prevalence of metabolic syndrome. The 2010-2012 survey period demonstrated a higher prevalence of metabolic syndrome among Chinese adults compared to the 2002 survey (18.7% vs 9.5%).
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