Table 5 Odds ratios (95% confidence interval) of speech frequency 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

3.79(0.81–17.68)

4.42(0.93–20.85)

3.50(0.72–16.98)

 ≥ 90

6.04(1.32–27.51)

4.99(1.08–23.03)

5.33(1.14–24.93)

  1. Model 1: Unadjusted.
  2. Model 2: Adjusted for age and gender.
  3. Model 3: Adjusted for age, gender, shift work, hyperlipidaemia history, BMI, and occupational noise exposure time.
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