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Table 2 Characteristics of study participants according to sex categories

From: Prevalence of overweight and obesity among Chinese Yi nationality: a cross-sectional study

Characteristics Men (n = 547) Women (n = 708) p value
Age 45.6 ± 14.6 44.3 ± 14.3 NS
Smokers
Current smokers 60.3(330) 7.6(54) < 0.001
Ex-smokers 10.8(59) 2.0(14)  
Drinkers 59.4(325) 15.1(107) < 0.001
Regular leisure-time physical activity 39.9(218) 34.1(241) 0.038
Education
College or above 24.7(135) 15.8(112) < 0.001
Middle school 28.9(158) 21.9(155)  
Primary school or below 46.4(255) 62.3(441)  
Family annual income(%, n)
≥ 10000 yuan 36.7(201) 28.4(201) 0.002
   < 10000 yuan 63.3(346) 71.6(507)  
Body mass index (kg/m2) 22.5 ± 3.5 22.6 ± 3.7 NS
Waist circumference(cm) 81.9 ± 11.0 79.0 ± 10.2 < 0.001
Family history of obesity (%, n) 9.0(49) 11.3(80) NS
Systolic blood pressure(mmHg) 115.6 ± 17.0 112.3 ± 18.9 0.001
Diastolic blood pressure(mmHg) 78.6 ± 11.7 76.2 ± 12.4 < 0.001
fasting plasma glucose (mmol/L) 5.2 ± 1.5 5.0 ± 1.2 0.005
0.5-hr plasma glucose (mmol/L) 8.3(7.1, 9.8) 7.6(6.3, 9.0) < 0.001
2-hr plasma glucose (mmol/L) 6.0(4.7, 7.8) 6.0(4.9, 7.4) NS
TC(mmol/L) 4.3 ± 1.0 4.3 ± 1.6 NS
TG(mmol/L) 1.34(0.91, 1.98) 1.29(0.90,1.79) 0.023
HDL-C(mmol/L) 1.2 ± 0.3 1.2 ± 0.3 NS
LDL-C(mmol/L) 2.5 ± 0.7 2.5 ± 0.7 NS
  1. Data were expressed as means ± SD, median (interquartile range) and percentage (number of cases) in normally distributed continuous, abnormally distributed continuous and categorical variables, respectively. Log-transformed values for abnormally distributed continuous variables were used for analysis. Between-groups comparisons were conducted using Student t tests or χ2 tests. NS indicates not significant. TC: total cholesterol; TG: triglyceride; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol