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Table 2 Seroprevalence of brucellosis among Debre Zeit and Modjo abattoirs workers by years on job, level of education, types of job and name of abattoir (N = 149)

From: Seroprevalence and risk factors of brucellosis in abattoir workers at Debre Zeit and Modjo export abattoir, Central Ethiopia

Category

N

RBPT positive

N (%)

CFT positive

no (%)

95% CI

for CFT

Fisher’s exact

P-value

Years on job

 <1

19

1 (5.26)

-

  

 1–5

82

3 (3.66)

-

  

 6–10

33

3 (9.09)

2 (6.06)

0.74–20.23

0.173

 11–15

11

-

-

  

 >15

4

-

-

  

Level of education

 Illiterate

13

1 (7.69)

-

  

 Primary

54

3 (5.56)

2 (3.70)

0.45–12.75

0.546

 Secondary

60

3 (5.00)

-

  

 Post secondary

22

-

-

  

Types of job

 Animal keepers

23

-

-

  

 Slaughterers

60

1 (1.67)

-

  

 Loaders

31

2 (6.45)

1 (3.23)

0.08–16.70

0.355

 Veterinarian

12

-

-

  

 Cleaners

23

4 (17.39)

1 (4.35)

0.11–21.95

 

Name of abattoirs

 Abattoir 1

30

-

-

  

 Abattoir 2

27

1 (3.70)

1 (3.70)

0.09–18.97

 

 Abattoir 3

30

1 (3.33)

1 (3.33)

0.08–17.21

0.342

 Abattoir 4

31

5 (16.13)

-

  

 Abattoir 5

31

-

-