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Journal of the Egyptian Public Health Association

Table 6 Multivariate logistic regression of independent predictors of NIHL among noise-exposed workers (n  = 396) at two steel factories in Egypt, 2021

From: Prevalence and correlates of occupational noise-induced hearing loss among workers in the steel industry

Variables

Coefficient

Adjusted ORa

95% CI

P value

Age (years)

0.028

1.028

(0.98, 1.07)

0.199

Job duration (year)

0.049

1.050

(1.00, 1.10)

0.052

Tinnitus

0.726

2.068

(1.01, 4.20)

0.045*

  1. Model X2 = 24.51; p < 0.001; Cox & Snell R2 = 0.06; Nagelkerke’s R2 = 0.08; Hosmer & Lemeshow X2 = 13; p = 0.11
  2. NIHL is defined as a notch shown at 4 kHz (around 3 to 6 kHz) and threshold values at high-frequency substantially worse than threshold values at low frequency
  3. Abbreviations: NIHL Noise-induced hearing loss, OR Odds ratio, CI Confidence interval
  4. aOR adjusted for all variables in the above table (age and job duration as continuous variables and tinnitus as a dichotomous variable)
  5. *p ≤ 0.05
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