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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