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Table 4 Factors associated with increased prevalence of bacterial contamination of milk in the study area in 2017

From: Milk-borne bacterial health hazards in milk produced for commercial purpose in Tigray, northern Ethiopia

Variable

Positive (%)

Negative (%)

COR

95% CI

AOR

95% CI

City

 Mekelle

103 (32.7)

79 (25.1)

1

   

 Adigrat

49 (15.6)

59 (18.7)

0.708

0.306–1.63

  

 Wukro

12 (3.8)

13 (4.1)

1.11

0.465–2.65

  

Age

 20 < 37

95 (30.2)

82 (26.0)

1

   

 38–75

69 (21.9)

69 (21.9)

0.863

0.55–1.35

  

Sex

 Male

84 (26.7)

91 (28.9)

1

 

1

 

 Female

80 (25.4)

60 (19.0)

1.44

0.924–2.26

1.01

0.618–1.67

Educational status

 Illiterate

10 (3.2)

14 (4.4)

1

   

 1-8th grade

94 (29.8)

77 (24.4)

1.4

0.577–3.39

  

 9th grade and above

60 (19.0)

60 (19.0)

0.819

0.513–1.31

  

Marital status

 Single

61 (19.4)

33 (10.5)

1

 

1

 

 Married

98 (31.1)

111 (35.2)

0.386

0.144–1.31

0.542

0.152–1.94

 Divorced

5 (1.6)

7 (2.2)

0.809

0.249–2.63

0.892

0.260–3.06

Type of Business

 Dairy farmers

33 (10.5)

63 (20.0)

1

 

1

 

 Vendors and Cafeterias

131 (41.6)

88 (27.9)

3.08

1.87–5.08

2.72

1.60–4.61