Table 1 Results of MetS detection rate in participants of different individual characterization groups

Mean ± SD

BMI (kg/m²)

24.10 ± 2.97

26.87 ± 2.82

23.57 ± 2.70

< 0.001

WC (cm)

85.50 ± 8.67

94.42 ± 6.90

83.80 ± 7.90

< 0.001

DBP (mmHg)

81.50 ± 9.24

88.81 ± 9.20

80.11 ± 8.57

< 0.001

SBP (mmHg)

121.60 ± 12.77

130.74 ± 13.28

119.87 ± 11.91

< 0.001

TG (mmol/L)

1.58 ± 1.14

3.03 ± 1.67

1.30 ± 0.74

< 0.001

HDL-C (mmol/L)

1.34 ± 0.31

1.07 ± 0.22

1.38 ± 0.30

< 0.001

FBG (mmol/L)

4.49 ± 1.01

5.10 ± 1.78

4.38 ± 0.72

< 0.001

N (%)

Gender

 Male

1402(87.2%)

252(98.1%)

1150(85.1%)

< 0.001

 Female

206(12.8%)

5(1.9%)

201(14.9%)

Age(years)

 20–29

439(27.3%)

41(16.0%)

398(29.5%)

< 0.001^a

 30–39

599(37.3%)

96(37.4%)

503(37.2%)

 40–49

399(24.8%)

80(31.1%)

319(23.6%)

 ≥ 50

171(10.6%)

40(15.6%)

131(9.7%)

Nation

 Han

1542(95.9%)

243(94.6%)

1299(96.2%)

0.236

 Minority

66(4.1%)

14(5.4%)

52(3.8%)

Marital status

 Single

301(18.7%)

27(10.5%)

274(20.3%)

< 0.001

 Married

1307(81.3%)

230(89.5%)

1077(79.7%)

Education

 Junior college and below

752(46.8%)

139(54.1%)

613(45.4%)

0.01

 Undergraduate or above

856(53.2%)

118(45.9%)

738(54.6%)

Working years(years)

 ≤ 10

734(45.6%)

80(31.1%)

654(48.4%)

< 0.001^a

 11–20

425(26.4%)

75(29.2%)

350(25.9%)

 > 20

449(27.9%)

102(39.7%)

347(25.7%)

Work system

 Regular day shift

738(45.9%)

93(36.2%)

645(47.7%)

0.001

 Shift work

870(54.1%)

164(63.8%)

706(52.3%)

Chemical toxicant

 Yes

948(59.0%)

158(61.5%)

790(58.5%)

0.370

 No

660(41.0%)

99(38.5%)

561(41.5%)

Noise

 Yes

1212(75.4%)

211(82.1%)

1001(74.1%)

0.006

 No

396(24.6%)

46(17.9%)

350(25.9%)

Dust

 Yes

801(49.8%)

144(56.0%)

657(48.6%)

0.030

 No

807(50.2%)

113(44.0%)

694(51.4%)

High temperature

 Yes

855(53.2%)

146(56.8%)

709(52.5%)

0.202

 No

753(46.8%)

111(43.2%)

642(47.5%)

VDT operation

 Yes

240(14.9%)

41(16.0%)

199(14.7%)

0.614

 No

1368(85.1%)

216(84.0%)

1152(85.3%)

Electromagnetic radiation

 Yes

128(8.0%)

22(8.6%)

106(7.8%)

0.698

 No

1480(92.0%)

235(91.4%)

1245(92.2%)

Ionizing radiation

 Yes

253(15.7%)

43(16.7%)

210(15.5%)

0.632

 No

1355(84.3%)

214(83.3%)

1141(84.5%)

Monthly income (yuan)

 < 10,000

430(26.7%)

44(17.1%)

386(28.6%)

< 0.001^a

 10,000–12,000

486(30.2%)

74(28.8%)

412(30.5%)

 > 12,000

692(43.0%)

139(54.1%)

553(40.9%)

Smoking

 Yes

443(27.5%)

105(40.9%)

338(25.0%)

< 0.001

 No

1165(72.5%)

152(59.1%)

1013(75.0%)

Drinking

 Yes

997(62.0%)

178(69.3%)

819(60.6%)

0.009

 No

611(38.0%)

79(30.7%)

532(39.4%)