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Table 3 Socio-demographic characteristics and brucellosis seroprevalence among personnel (n = 107) of the Ngaoundéré municipal abattoir in Cameroon

From: Seroprevalence and risk factors of brucellosis among slaughtered indigenous cattle, abattoir personnel and pregnant women in Ngaoundéré, Cameroon

Characteristics Number (positive) Seropositivity using Brucella IgG ELISA % [95%CI] P-value (χ2)
Sex Female 11 (0) 0.00
Male 96 (13) 13.54 [6.70–20.39]
Age (years) [15–25] 20 (1) 5.00 [0–14.55] 0.732 (1.289)
[25–35] 47 (6) 12.77 [3.23–22.31]
[35–45] 26 (4) 15.38 [1.52–29.25]
[45–65] 14 (2) 14.29 [0–32.62]
Education level None 13 (3) 23.08 [0.17–45.98] 0.273 (2.599)
Primary 48 (7) 14.58 [4.60–24.57]
Secondary 42 (3) 7.14 [0–14.93]
Marital status Married 69 (10) 14.49 [6.19–22.80] 0.317 (0.9995)
Unmarried 38 (3) 7.89 [0–16.47]
Duration of working at the abattoir (Years) Years ≤5 33 (2) 6.06 [0–14.20] 0.368 (3.1595)
5 < Years≤10 22 (2) 9.09 [0–21.10]
10 < Years≤20 44 (7) 15.91 [5.10–26.72]
Years > 20 08 (2) 25.00 [0–55.01]
Post occupied / activity in the abattoira Handle foetus and uterine contents 6 (3) 50.00 [9.99–90.01] 0.067 (7.173)
Clean offal 12 (2) 16.67 [0–37.75]
Meat seller 41 (6) 14.63 [3.8–25.45]
Slaughter and dress animals (Butcher) 28 (2) 7.14 [0–16.68]
Have cattle at home Yes 46 (5) 10.87 [1.87–19.86] 0.725 (0.124)
No 61 (8) 13.11 [4.64–21.59]
Have contact with carnivores Yes 8 (1) 12.50 [0–35.42] 0.975 (0.001)
No 99 (12) 12.12 [5.69–18.55]
Have contact with sheep and goats Yes 47 (6) 12.77 [3.23–22.31] 0.863 (0.030)
No 60 (7) 11.67 [3.54–19.79]
Have contact with pigs Yes 4 (0) 0.00
No 103 (13) 12.62 [6.21–19.03]
  1. a Butchers and Butcher apprentices