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Table 2 Comparison of demographic, lifestyle characteristics and serum lipid levels between the Han and Maonan populations

From: LIPG SNPs, their haplotypes and gene-environment interactions on serum lipid levels

Parameter Han Maonan t (x2) P
Number 1218 1280   
Male/female 571/647 581/699 0.545 0.486
Age (years) 56.0 ± 11.6 57.1 ± 14.0 1.381 0.164
Height (cm)
Weight (kg)
153.79 ± 7.84
53.53 ± 9.03
152.99 ± 7.99
52.66 ± 10.52
2.461
2.149
0.014
0.032
Body mass index (kg/m2) 22.60 ± 3.34 22.43 ± 3.94 1.168 0.243
Waist circumference (cm) 75.39 ± 7.86 75.67 ± 9.25 −0.793 0.428
Smoking status [n (%)]
 Non-smoker 975(80.05) 1002(78.27)   
 ≤ 20 cigarettes/day 203(16.67) 248(19.40)   
 >  20 cigarettes/day 40(3.28) 30(2.33) 4.751 0.096
Alcohol consumption [n (%)]
 Non-drinker 1026(84.20) 1014(79.27)   
 ≤ 25 g/day 103(8.48) 156(12.19)   
 >  25 g/day 89(7.32) 110(8.59) 11.601 0.003
Systolic blood pressure (mmHg) 129.33 ± 19.69 135.66 ± 25.48 −6.678 1.64E-11
Diastolic blood pressure (mmHg) 81.36 ± 11.28 84.68 ± 13.01 −6.633 4.05E-11
Pulse pressure (mmHg) 47.97 ± 15.25 50.98 ± 18.98 −4.264 0.001
Glucose (mmol/L) 5.89 ± 1.49 5.93 ± 1.29 −0.651 0.515
Total cholesterol (mmol/L) 4.97 ± 1.07 5.04 ± 1.14 −0.800 0.424
Triglyceride (mmol/L) 1.25(0.53) 1.30(0.41) −2.177 0.030
HDL-C (mmol/L) 1.68 ± 0.51 1.63 ± 0.39 1.279 0.201
LDL-C (mmol/L) 2.88 ± 0.89 2.90 ± 0.81 −0.120 0.905
ApoA1 (g/L) 1.37 ± 0.40 1.33 ± 0.26 −3.127 0.002
ApoB (g/L) 0.84 ± 0.17 0.87 ± 0.20 −2.878 0.091
ApoA1/ApoB 1.67 ± 0.51 1.66 ± 0.50 0.310 0.756
  1. HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, Apo apolipoprotein. 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