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Table 4 Brucellosis seropositivity among personnel of the Ngaoundéré municipal abattoir according to potential risk factors (n = 107)

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

Variable   Number (positive) Seropositivity using Brucella IgG ELISA % (95%CI) Odds ratio (95%CI) P-value
Animal exposure at home Yes 46 (5) 10.87 (1.87–19.86) 1 0.4833
No 61 (8) 13.11 (4.64–21.59) 1.24 (0.38–4.07)
Consume raw milk Yes 49 (9) 18.37 (7.53–29.21) 3.04 (0.87–10.57) 0.0650
No 58 (4) 6.90 (0.38–13.42) 1
Use of protective equipment at work Yes 13 (0) 0
No 92 (13) 14.13 (7.01–21.25)
Manipulate with aborted fœtus Yes 23 (3) 13.04 (0–26.81) 1.11 (0.28–4.42) 0.5625
No 84 (10) 11.90 (4.98–18.83) 1
Knowledge of brucellosis Yes 12 (1) 8.33 (0–23.97) 0.63 (0.07–5.32) 0.5547
No 95 (12) 12.63 (5.95–19.31) 1
Animal exposure outside the abattoir and home Yes 59 (8) 13.56 (4.82–22.30) 1.38 (0.42–4.53) 0.4096
No 49 (5) 10.20 (1.73–18.68) 1
Longevity at the abattoir (years) ≤ 5 33 (2) 6.06 (0–14.20) 0.37 (0.08–1.77) 0.1675
≥ 5 74 (11) 14.86 (6.76–22.97) 1