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Table 2 Associations between Anxiety and Subject Demographics

From: Association between occupational noise and vibration and anxiety in the South Korean working population: a cross-sectional study

Variables Anxiety
Male   Female
OR 95% CI   OR 95% CI
Noise and Vibration exposure
 No exposure 1.00      1.00    
 Vibration exposure 1.31 (0.80 2.14)   1.51 (0.96 2.39)
 Noise exposure 1.55 (1.06 2.27)   1.50 (1.12 2.01)
 Noise and Vibration exposure 2.25 (1.77 2.87)   2.17 (1.79 2.61)
Age
  ≤ 39 1.00      1.00    
 40–49 1.52 (1.17 1.96)   0.74 (0.57 0.97)
 50–59 1.40 (1.06 1.84)   0.92 (0.70 1.20)
  ≥ 60 0.76 (0.54 1.08)   0.96 (0.68 1.37)
Education level
 Middle school or lower 1.08 (0.76 1.55)   0.78 (0.55 1.12)
 High school 0.83 (0.65 1.04)   0.93 (0.73 1.18)
 University and higher 1.00      1.00    
Job collar
 White 1.00      1.00    
 Blue 0.53 (0.41 0.70)   0.70 (0.51 0.95)
 Pink 1.18 (0.91 1.53)   1.17 (0.91 1.50)
Income
 Low 1.49 (1.08 2.05)   0.82 (0.61 1.09)
 Mid-low 0.93 (0.72 1.20)   0.52 (0.40 0.68)
 Mid-high 0.80 (0.63 1.01)   0.61 (0.45 0.83)
 High 1.00      1.00    
Fatigue
 Yes 7.23 (5.90 8.85)   8.04 (6.64 9.75)
 No 1.00      1.00    
Hearing problem
 Yes 2.45 (1.73 3.40)   2.02 (1.38 2.96)
 No 1.00      1.00    
Headache/Eye strain
 Yes 3.74 (3.12 4.47)   3.17 (2.69 3.73)
 No 1.00      1.00    
Insomnia
 Yes 2.09 (1.73 2.52)   2.51 (2.13 2.95)
 No 1.00      1.00    
Use of PPE
 Yes 1.00      1.00    
 No 1.37 (1.12 1.67)   1.44 (1.17 1.77)
Work hour (hours)
  ≤ 40 1.00      1.00    
 41–50 1.35 (1.10 1.66)   0.75 (0.61 0.93)
 51–60 1.00 (0.77 1.28)   1.01 (0.80 1.27)
  ≥ 61 1.22 (0.91 1.63)   1.23 (0.93 1.62)
Work duration (years)
  ≤ 5 1.00      1.00    
 5–10 0.98 (0.79 1.23)   0.97 (0.80 1.18)
  ≥ 10 0.78 (0.62 0.98)   0.89 (0.72 1.10)