Table 4 the risks of hypertension in the subjects with occupational noise exposure

Non-exposed group

1399

1273(91.0%)

126(9.0%)

1.00(Ref.)

Noise-exposed group

1390

1143(82.2%)

247(17.8%)

1.941(1.471-2.561)

<0.001

 80-

490

411(83.9%)

79(16.1%)

1.411(0.947-2.102)

0.091

1.000(Ref)

 85-

571

471(82.5%)

100(17.5%)

2.128(1.535-2.952)

<0.001

1.510(1.005-2.268)

0.047

 90-

237

193(81.4%)

44(18.6%)

2.018(1.326-3.070)

0.001

1.283(0.783-2.102)

0.323

 ≥95

92

68(73.9%)

24(26.1%)

3.002(1.676-5.376)

<0.001

2.018(1.068-3.811)

0.031

P_trend

<0.001

0.064

 0

1399

1273(91.0%)

126(9.0%)

1.000(Ref)

 1-

795

680(85.5%)

115(14.5%)

1.495(1.064-2.100)

0.020

1.000(Ref)

 5-

394

321(81.5%)

73(18.5%)

2.029(1.421-2.898)

<0.001

1.199(0.813-1.767)

0.360

 10-

100

74(74.0%)

26(26.0%)

2.609(1.504-4.527)

0.001

1.412(0.785-2.542)

0.249

 ≥15

101

68(67.3%)

33(32.7%)

4.055(2.318-7.094)

<0.001

2.080(1.114-3.880)

0.021

P_trend

<0.001

0.022

 ≤80

1399

1273(91.0%)

126(9.0%)

1.000(Ref)

 80-

479

418(87.3%)

61(12.7%)

1.107(0.712-1.721)

0.652

1.000(Ref)

 90-

434

359(82.7%)

75(17.3%)

1.987(1.377-2.869)

<0.001

1.637(1.015-2.638)

0.043

 95-

274

215(78.5%)

59(21.5%)

2.261(1.536-3.328)

<0.001

1.733(1.034-2.904)

0.037

 ≥100

203

151(74.4%)

51(25.6%)

2.829(1.871-4.277)

<0.001

2.006(1.154-3.488)

0.014

P_trend

<0.001

0.018

Noise category

 Stable

451

388(86.0%)

63(14.0%)

1.000(Ref)

 Unstable

939

755(80.4%)

184(19.6%)

1.324(0.907-1.933)

0.146

 Yes

956

801(83.8%)

155(16.2%)

1.000(Ref)

 No

185

155(83.8%)

30(16.2%)

0.910(0.585-1.415)

0.674