Table 1: Association of different risk factors to skin test positivity at ≥2 mm cut-off point for small ruminant tuberculosis in Afar Pastoral Region of Ethiopia.

VariablesNumber of animals examinedNumber of positive (%) value

Districts
 Chifra39620 (5.05)26.385 0.000*
 Dubti23722 (9.28)
 Afambo1175 (4.27)
 Amibara148139 (2.63)
Species
 Ovine3475 (1.44)6.460 0.011*
 Caprine188481 (4.3)
Herd size
 ≤2561732 (5.19)
85132 (3.76)4.9150.086
 >5076322 (2.88)
Sex
 Male20611 (5.34)1.3510.245
 Female202575 (3.70)
Age#
 ≤259418 (3.03)
77936 (4.62)2.3610.307
85832 (3.73)
BCS
 Poor37613 (3.46)
 Good111648 (4.30)1.2040.548
  Fat73925 (3.38)
Production system
 Pastoral205180 (3.90)0.1440.705
 Agropastoral1806 (3.33)
Lactation status
 Kid/lamb572 (3.51)
 Lactating76019 (2.50)1.2550.534
 Nonlactating 35413 (3.67)
Reproductive status
 Nonpregnant85719 (2.22)5.3420.021*
 Pregnant31415 (4.78)
Parity number
 <226010 (3.85)
30413 (4.28)4.4150.110
3245 (1.54)

# A given age range includes its lower bound and excludes its upper bound; BCS: body condition score; *statistically significant.