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Table 5 Factors associated with respiratory symptoms among flour mill workers, Ethiopia

From: Respiratory symptoms related to flour dust exposure are significantly high among small and medium scale flour mill workers in Ethiopia: a comparative cross-sectional survey

Characteristics (n = 280) Respiratory symptoms COR (95% CI) AOR (95% CI)
Yes No
Age
 18‑24 70 46 1 1
 25‑35 44 36 0.80 (0.45, 1.43) 0.69 (0.32, 1.12)
 > 35 65 19 2.25 (1.19, 4.23) 2.03 (1.34, 5.48)
Monthly income (ETB)
 < 2000 78 36 1.49 (0.63, 3.53) 1.08 (0.54, 4.84)
 2000‑2900 55 30 1.26 (0.52, 3.06) 1.02 (0.38, 3.52)
 2901‑4050 30 24 0.86 (0.34, 2.19) 0.72 (0.21, 2.74)
 > 4050 16 11 1 1
Educational status
 Cannot read and write 51 46 2.10 (1.48, 3.67) 1.54 (1.28, 3.06)
 Can read and write 128 55 1 1
Ventilation
 Adequate 67 58 1 1
 Inadequate 112 43 2.25 (1.37, 3.71) 2.05 (1.18, 3.56)
Cleaning the room by vacuum cleaner
 Yes 15 24 1 1
 No 164 77 3.41 (1.69, 6.86) 2.51 (0.91, 5.49)
Work experience in years
 ≤ 5 90 77 1 1
 5+ 89 24 3.17 (2.34, 5.25) 1.89 (1.23, 4.67)
Regular medical check-up
 Yes 34 29 1 1
 No 145 72 1.72 (0.97, 3.04) 1.80 (0.93, 3.46)
Health and safety training
 Yes 54 59 1  
 No 125 42 3.25 (1.86, 6.45) 2.45 (1.45, 4.76)
Working hours/day
 ≤8 73 65 1  
 > 8 105 37 2.53 (1.8, 3.98) 1.84 (0.82, 4.34)
  1. Keys: AOR adjusted odds ratio, CI confidence intervals, COR crude odds ratio, ETB Ethiopian birr (currency), n number