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Table 2 Factors associated with B. melitensis seropositivity among 382 adults from agro-pastoral communities in Sengerema district

From: Predictors of specific anti-Brucella antibodies among humans in agro-pastoral communities in Sengerema district, Mwanza, Tanzania: the need for public awareness

Characteristics

B. melitensis seropositivity

Unadjusted OR (95 % CI)

P value

Adjusted OR (95 % CI)

P value

Age (years)*

42 (IQR 19–40)

1.0 (0.98–1.02)

0.628

  

Sex

 Female (148)

8 (5.4 %)

1

   

 Male (234)

34 (14.5 %)

2.9 (1.33–6.62)

0.008

3.2 (1.3–7.5)

0.007

Occupation

 Students (117)

10 (8.5 %)

1

   

 Agro-pastoralists (245)

32 (13.1 %)

1.9 (0.90–4.01)

0.088

2.07 (1.01–4.24)

0.04

Keep cattle

 No (88)

9 (10.2 %)

1

   

 Yes (294)

33 (11.2 %)

1.1 (0.5–2.41)

0.793

  

Touch placenta

 No (289)

28 (9.7 %)

1

   

 Yes (93)

14 (15.1 %)

1.65 (0.82–3.29)

0.153

0.75 (0.34–1.67)

0.493

Touch goat placenta

 No (341)

32 (9.4 %)

1

   

 Yes (41)

10 (24.4 %)

3.11 (1.4–6.9)

0.005

2.59 (1.25–6.38)

0.012

Blood splash

 No (360)

37 (10.3 %)

1

   

 Yes (22)

5 (22.7 %)

2.5 (0.89–7.4)

0.079

1.5 (0.47–4.98)

0.47

  1. *Median