Skip to main content

Table 1 Characteristics of participants according to dyslipidemia status

From: Prevalence of dyslipidaemia and risk factors in Chinese coal miners: a cross-sectional survey study

Characteristics

All subjects

With dyslipidemia

Without dyslipidemia

t/χ2

P value

  

Overall

High TG (≥1.7 mmol/L)

High TC (≥5.2 mmol/L)

High LDL-C(≥3.4 mmol/L)

Low HDL-C (<1.0 mmol/L)

   

All, n (%)

4341(100)

2964(68.28)

1746(40.46)

1643(38.08)

1523(35.08)

1115(25.84)

1377(31.72)

  

Age (years), mean (SD)

41.79(8.64)

42.42(8.57)

42.46(8.34)

43.09(8.36)

43.20(8.49)

41.22(8.91)

40.43(8.64)

−7.11

<0.001

Male, n (%)

3656(84.22)

2609(71.36)

1584(43.46)

1411(38.71)

1334(36.49)

1045(28.67)

1047(28.64)

102.27

<0.001

Married, n (%)

4057(93.80)

2792(68.82)

1664(41.28)

1551(38.48)

1440(35.49)

1034(25.65)

1265(31.18)

9.65

0.002

Education, n (%)

 Primary school or under

116(2.69)

80(68.97)

48(41.38)

47(40.52)

40(34.48)

29(25.00)

36(31.03)

0.41

0.939

 Junior high school

1092(25.29)

738(67.58)

428(39.74)

435(40.39)

390(35.71)

240(22.28)

354(32.42)

  

 Junior college or Senior high school

2601(60.24)

1784(68.59)

1059(40.87)

967(37.32)

917(35.26)

687(26.51)

817(31.41)

  

 Bachelor degree or above

509(11.79)

346(67.98)

205(40.35)

182(35.83)

166(32.61)

156(30.71)

163(32.02)

  

Monthly income (RMB, Yuan), n (%)

  ≤ 4000   

1127(26.28)

774(68.68)

436(39.00)

438(39.18)

399(35.40)

305(27.28)

353(31.32)

1.39

0.499

 4000–6000

1803(42.05)

1240(68.77)

752(41.94)

722(40.27)

662(36.72)

408(22.76)

563(31.23)

  

 >6000

1358(31.67)

909(66.94)

537(39.75)

455(33.68)

439(32.33)

395(29.24)

449(33.06)

  

Working type, n (%)

 Intense physical workers

1124(26.28)

708(62.99)

390(34.98)

404(36.23)

355(31.58)

238(21.35)

416(37.01)

22.61

<0.001

 Light physical workers

2095(48.98)

1491(71.17)

906(43.56)

803(38.61)

753(35.94)

596(28.65)

604(28.83)

  

 Mental workers

1058(24.74)

721(68.15)

428(40.53)

404(38.26)

389(36.77)

268(25.38)

337(31.85)

  

Workplace, n (%)

 Underground front-line

908(21.01)

580(63.88)

321(35.55)

311(34.44)

288(31.72)

209(23.15)

328(36.12)

16.13

0.001

 Underground auxiliary

1497(34.64)

1063(71.01)

671(45.00)

568(38.10)

519(34.67)

414(27.77)

434(28.99)

  

 Ground

1118(25.87)

785(70.21)

437(39.09)

464(41.50)

425(38.01)

304(27.19)

333(29.79)

  

 Office

798(18.47)

532(66.67)

314(39.35)

297(37.22)

290(36.34)

188(23.56)

266(33.33)

  

 Habitual drinking, n(%)

1795(41.49)

1329(74.04)

838(46.84)

762(42.59)

660(36.77)

442(24.71)

466(25.96)

46.91

<0.001

 Current smoking, n(%)

2495(57.69)

1815(72.75)

1090(43.79)

1006(40.42)

948(38.00)

722(29.01)

680(27.25)

54.35

<0.001

 FBG (mmol/L), mean (SD)

5.00(1.30)

5.10(1.47)

5.16(1.57)

5.22(1.53)

5.23(1.55)

5.09(1.61)

4.78(0.78)

−9.28

<0.001

 SBP(mmHg), mean (SD)

126.95(17.62)

129.0(17.40)

130.3(17.56)

129.7(17.74)

129.8(17.68)

128.2(16.61)

122.6 (17.31)

−11.27

<0.001

 DBP(mmHg), mean (SD)

78.85(14.18)

80.56(14.18)

81.93(14.37)

80.67(14.42)

81.04(14.27)

80.72(14.02)

75.17(13.46)

−12.01

<0.001

 BMI (kg/m2), mean (SD)

24.92(5.97)

25.56(3.63)

26.27(3.67)

25.37(3.50)

25.81(3.44)

26.41(3.78)

23.52(9.01)

−8.05

<0.001

 WC (cm), mean (SD)

89.97(9.81)

91.76(9.51)

93.30(9.17)

91.40(9.61)

92.06(9.47)

93.71(8.91)

86.09(9.34)

−18.16

<0.001

 WHR, mean (SD)

0.89(0.08)

0.90(0.07)

0.91(0.07)

0.90(0.07)

0.90(0.06)

0.91(0.07)

0.88(0.09)

−8.4

<0.001

 TC (mmol/L), mean (SD)

5.01(0.93)

5.28(0.96)

5.29(0.98)

5.94(0.67)

5.85(0.74)

4.73(0.94)

4.41(0.49)

−39.85

<0.001

 TG (mmol/L), mean (SD)

1.90(1.72)

2.31(1.92)

3.09(2.18)

2.41(2.36)

2.15(1.61)

2.71(2.37)

1.00(0.31)

−36.1

<0.001

 HDL-C (mmol/L), mean (SD)

1.21(0.35)

1.15(0.36)

1.07(0.30)

1.30(0.38)

1.21(0.31)

0.83(0.14)

1.36(0.26)

21.34

<0.001

 LDL-C (mmol/L), mean (SD)

3.15(0.80)

3.41(0.77)

3.37(0.79)

3.84(0.64)

3.99(0.51)

3.10(0.71)

2.57(0.47)

−43.51

<0.001

  1. P-value for comparison between subjects with and without dyslipidemia at α = 0.05 level
  2. FBG fasting blood glucose, SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index, WC waist circumferenc
  3. WHR waist/hip ratio, H-TC high total cholesterol, H-TG high triglyceride, H-LDL high low-density lipoprotein cholesterol, L-HDL low high-density lipoprotein cholesterol