Table 1 Multivariate analysis showing factors associated with brucellosis during the prospective study (January 2013 – February 2013)
Brucellosis results, n (%) | Unadjusted RR(95 % CI) | Adjusted RR(95 % CI) | P-value | ||
|---|---|---|---|---|---|
Variables | Negative 416(68.2 %) | Positive 194(31.8 %) | |||
Age | |||||
0–18 | 38(9.1) | 23(11.9) | 1 | 1 | |
19–30 | 168(40.4) | 76(39.2) | 0.83(0.57–1.20) | 0.77(0.53–1.12) | 0.18 |
31–45 | 128(30.8) | 69(35.6) | 0.94(0.65–1.37) | 0.86(0.58–1.26) | 0.44 |
46–60 | 65(15.6) | 17(8.8) | 0.54(0.32–0.94) | 0.50(0.29–0.84) | 0.01* |
+61 | 17(4.1) | 9(4.6) | 0.92(0.49–1.70) | 0.83(0.45–1.51) | 0.54 |
Sex | |||||
Male | 153(36.8) | 60(30.9) | 1 | 1 | |
Female | 263(63.2) | 134(69.1) | 1.21(0.93–1.57) | 0.81(0.63–1.04) | 0.10 |
Occupation | |||||
Farmer | 142(34.1) | 68(35.1) | 1 | 1 | |
Agro-pastoralist | 66(15.9) | 41(21.1) | 1.17(0.86–1.59) | 0.81(0.48–1.38) | 0.44 |
Pastoralists | 14(3.4) | 9(4.6) | 1.19(0.69–2.05) | 0.89(0.52–1.53) | 0.68 |
Others | 194(46.6) | 76(39.2) | 0.85(0.65–0.12) | 0.66(0.39–1.12) | 0.12 |
Malaria results | |||||
Negative | 381(91.6) | 166(85.6) | 1 | 1 | |
Positive | 35(8.4) | 28(14.4) | 0.94(0.56-1.03) | 2.29(0.68–1.31) | 0.73 |
Typhoid test | |||||
Negative | 405(97.4) | 120(61.9) | 1 | 1 | |
Positive | 11(2.6) | 74(38.1) | 0.67(0.53–0.87) | 0.68(0.52–0.89) | <0.005* |