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Table 1 Demographic characteristics by subjects with and without MetS

From: The value of Apolipoprotein B/Apolipoprotein A1 ratio for metabolic syndrome diagnosis in a Chinese population: a cross-sectional study

  metS- (n = 6265) metS + (n = 1855) p
Age, mean (SD) 49.27(15.14) 55.72(12.68) <0.0001
Male, n (%) 49.48 36.71 <0.0001
BMIa, mean (SD) 22.43(2.96) 26.47(3.16) <0.0001
Urbanization index, % 66.61(19.40) 69.96(19.56) <0.0001
Gross household incomeb, %    0.9161
 Low 33.46 33.1  
 Median 33.15 33.64  
 High 33.39 33.28  
Education levels, %    <0.0001
 Illiteracy 21.63 29.23  
 Primary school 19.31 21.52  
 Junior high school 34.04 29.45  
Senior high school and higher levels 25.03 19.8  
 Smoke, %    <0.0001
 Never 67.41 74.69  
 Current 29.47 21.86  
 Ever 3.11 3.45  
Drink, %    <0.0001
 Never 65.98 72.44  
 ≤3 drink/month 12.26 8.83  
 1-2 drink/week 7.86 6.5  
 3-4 drink/week 4.08 3.74  
 Almost every day 9.82 8.5  
Energy intake (kcal/day), mean (SD) 2204.13(1101.71) 2194.93(1330.65) 0.004
History of CVD, % 1.82 3.4 <0.0001
Diabetes, % 3.71 19.76 <0.0001
Hypertension, % 21.82 59.35 <0.0001
  1. abody mass index = weight (kg)/height (m2).
  2. bcategorized by tertiles of gross household income at 19600.00 and 39799.12 yuan.