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Table 4 Multivariable analysis of factors associated with respiratory symptoms among exposed groups (tannery factory workers), Mojo town, Southeast Ethiopia, 2018

From: Occupational risk factors associated with respiratory symptoms among tannery workers in Mojo town, Southeast Ethiopia, 2018: a comparative cross-sectional study

Variables Respiratory symptoms COR (95% CI) AOR (95% CI)
(n = 299) Yes No   
Sex
 Female 31 50 2.03 (1.23, 3.67)a 1.64 (1.17, 3.51)b
 Male 50 167 1 1
Educational status
 Primary (Grade 1–8) 30 74 1.09 (0.55, 2.14) 1.01 (0.46, 1.89)
 Secondary (Grade 9–12) 32 93 0.92 (0.48, 1.79) 0.67 (0.37, 1.76)
Diploma & above 19 51 1 1
Work Experience (years)
 1–5 41 112 1 1
 6–10 12 61 0.54 (0.26, 1.10) 0.76 (0.42, 2.13)
  > 10 28 45 1.70 (0.94, 3.07) 1.42 (0.86, 2.86)
Age (years)
 18–24 28 81 1.12 (0.64, 1.95) 1.10 (0.28, 1.88)
 25–34 42 109 1.14 (0.50, 2.58) 1.08 (0.34, 1.76)
 35+ 11 28 1 1
Employment status
 Permanent 54 199 1 1
 Temporary 27 19 5.24 (2.71, 10.13)a 3.43 (2.63, 7.95)b
Ventilation
 Poor 47 80 2.38 (1.42, 4.01)a 1.88 (1.22, 3.98)b
 Good 34 138 1 1
Chemical exposure
 No 21 51 1 1
 Yes 60 167 0.87 (0.48, 1.57) 0.65 (0.46, 1.53)
OHS training
 No 64 130 2.55 (1.40, 4.64)a 2.37 (1.14, 4.92)b
 Yes 17 88 1 1
PPE use
 No 42 64 2.59 (1.53, 4.38)a 2.30 (1.25, 3.46)b
 Yes 39 154 1 1
  1. Keys: asignificant in a bivariate analysis; bSignificant in a multivariable analysis