Table 7 Odds ratios (95% confidence interval) of bilateral hearing loss by occupational noise exposure level

From: The association between occupational noise exposure and hearing loss among petrochemical enterprise workers in Hainan, South China

Variable

Model 1

Model 2

Model 3

OR (95% CI)

OR (95% CI)

OR (95% CI)

Noise exposure level [dB(A)]

   

80 <

Ref

Ref

Ref

80–89

2.75(1.50–5.04)

3.27(1.76–6.09)

2.75(1.46–5.17)

 ≥ 90

2.86(1.53–5.34)

2.51(1.32–4.77)

2.24(1.16–4.32)

  1. Model 1: Unadjusted.
  2. Model 2: Adjusted for age, gender.
  3. Model 3: Adjusted for age, gender, SBP, DBP, hyperlipidaemia history, smoking, occupational noise exposure time.
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