Table 1.
Comparison of demographic, lifestyle characteristics and serum lipid levels between the Maonan and Han populations
| Parameter | Maonan | Han | t (χ2) | P |
|---|---|---|---|---|
| Number | 833 | 701 | ||
| Gender (Male/female) | 335/498 | 270/431 | 0.460 | 0.497 |
| Age (years) | 57.16±15.07 | 57.36±13.96 | 0.244 | 0.621 |
| Height (cm) | 153.80±8.07 | 154.43±8.02 | -1.500 | 0.134 |
| Weight (kg) | 53.23±10.67 | 53.62±9.41 | -0.770 | 0.441 |
| Body mass index (kg/m2) | 22.39±3.60 | 22.45±3.33 | -0.349 | 0.727 |
| Waist circumference (cm) | 76.79±9.22 | 75.72±8.43 | 2.364 | 0.018 |
| Cigarette smoking [n (%)] | ||||
| Non-smoker | 651 (78.2) | 545 (77.7) | ||
| ≤ 20 cigarettes per day | 79 (9.5) | 140 (20.0) | 79.219 | 0.000 |
| > 20 cigarettes per day | 103 (12.3) | 16 (2.3) | ||
| Alcohol consumption [n (%)] | ||||
| Non-drinker | 660 (79.2) | 570 (81.3) | ||
| ≤ 25 g per day | 113 (13.6) | 75 (10.7) | 2.883 | 0.237 |
| > 25 g per day | 60 (7.2) | 54 (8.0) | ||
| Systolic blood pressure (mmHg) | 136.00±24.33 | 129.89±19.59 | 5.416 | 0.000 |
| Diastolic blood pressure (mmHg) | 82.93±12.23 | 81.35±11.27 | 2.617 | 0.009 |
| Pulse pressure (mmHg) | 53.07±18.41 | 48.47±15.47 | 5.289 | 0.000 |
| Glucose (mmol/L) | 6.13±1.34 | 6.20±1.47 | -0.945 | 0.345 |
| Total cholesterol (mmol/L) | 4.97±1.05 | 5.01±1.07 | -2.892 | 0.003 |
| Triglyceride (mmol/L) | 1.30 (0.89) | 1.13 (0.76) | 4.585 | 0.000 |
| HDL-C (mmol/L) | 1.60±0.41 | 1.76±0.53 | -6.326 | 0.000 |
| LDL-C (mmol/L) | 2.86±0.83 | 2.86±0.77 | 0.013 | 0.990 |
| Apolipoprotein (Apo) A1 (g/L) | 1.38±0.31 | 1.34±0.25 | 2.870 | 0.004 |
| ApoB (g/L) | 0.88±0.20 | 0.90±0.24 | -1.535 | 0.125 |
| ApoA1/ApoB | 1.66±0.56 | 1.59±0.51 | 2.324 | 0.020 |
HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol. The value of triglyceride was presented as median (interquartile range); the difference between the two ethnic groups was determined by the Wilcoxon-Mann-Whitney test.