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Table 3 Odds ratio of Insomnia Severity Index scorea for hearing impairments in separate adjusted models

From: Insomnia and hearing impairment among occupational noise exposed male workers

  B (S.E.) OR 95% CI p-value
Model 1 0.031 (0.016) 1.032 1.001 to 1.064 0.045
Model 2 0.026 (0.016) 1.026 0.994 to 1.060 0.112
Model 3 0.026 (0.016) 1.026 0.994 to 1.060 0.116
Model 4 0.025 (0.017) 1.025 0.992 to 1.059 0.135
  1. aThe unit of Insomnia Severity Index score is 1 point
  2. Model 1; adjusted for age
  3. Model 2; adjusted for age, working period, noise level, protection device use and snoring. Model 3; adjusted for age, working period, noise level, protection device use, snoring, diabetes mellitus and hypertension
  4. Model 4; adjusted for age, working period, noise level, snoring, protection device use, diabetes mellitus, hypertension, smoking, alcohol consumption, regular exercise, total cholesterol, triglyceride, HDL cholesterol and waist circumference