Table 2: Multivariable logistic regression analysis of tuberculin reactors with various host-related risk factors at ≥2 mm cut-off point.

VariablesNumber of animals examinedNumber (%) of positive in CIDTCrude odds ratio (95% CI)Adjusted odds ratio (95% CI)

Districts
 Chifra39620 (5.05)11
 Dubti23722 (9.28)1.92 (1.03–3.61)*
 Afambo1175 (4.27)0.84 (0.31–2.29)
 Amibara148139 (2.63)0.51 (0.29–0.88)*0.17 (0.05–0.55)*
Species
 Ovine3475 (1.44)11
 Caprine188481 (4.3)3.07 (1.24–7.64)*2.05 (0.42–9.94)
Herd size
 ≤2561732 (5.19)11
85132 (3.76)0.71 (0.43–1.18)1.84 (0.52–6.45)
 >5076322 (2.88)0.54 (0.31–0.94)*0.44 (0.14–1.34)
Sex
 Male20611 (5.34)11
 Female202575 (3.70)0.68 (0.36–1.31)0.25 (0.04–1.74)
Age
 ≤259418 (3.03)11
77936 (4.62)1.55 (0.87–2.76)2.16 (0.47–9.89)
85832 (3.73)1.24 (0.69–2.23)13.79 (2.22–85.55)*
BCS
 Poor37613 (3.46)11
 Good111648 (4.30)1.25 (0.67–2.34)1.90 (0.61–5.88)
 Fat73925 (3.38)0.98 (0.49–1.93)0.75 (0.17–3.28)
Production system
 Pastoral205180 (3.90)11
 Agropastoral1806 (3.33)1.18 (0.51–2.74)
Lactation status
 Kid/lamb572 (3.51)11
 Lactating76019 (2.50)1.05 (0.23–4.77)0.50(0.06–4.08)
 Nonlactating35413 (3.67)0.71 (0.16–3.11)0.82(0.12–5.79)
Reproductive status
 Nonpregnant85719 (2.22)11
 Pregnant31415 (4.78)2.21 (1.11–4.41)*3.43(0.72–16.33)
Parity number
 <226010 (3.85)11
30413 (4.28)1.12 (0.48–2.59)0.38 (0.09–1.65)
3245 (1.54)0.39 (0.13–1.16)0.05 (0.01–0.31)*

CI: confidence interval, BCS: body condition scoring, *statistically significant.