Factors (Variables) No of animals tested No of reactors (%) χ2 Value P-value
Pastoralist associations      
Gerirona Wekello 31 5 (16.13%)    
Anderkellona Kelayitu 62 8 (12.90%)    
Wanebana Robellie 17 2 (11.76%) 0.24 0.89
Herd size      
X ≤ 20 73 10 (13.70%)    
X>20 37 5 (13.51%) 0.01 0.98
Sex      
Male 25 2 (8.00%)    
Female 85 13 (15.29%) 0.87 0.35
Age in years      
X<2 37 3 (8.11%)    
2 ≤ X ≤ 4 36 6 (16.67%)    
X>4 37 6 (16.22%) 1.45 0.48
Body condition scores      
Poor 58 10 (17.24%)    
Medium 48 3 (6.25%)    
Good 4 2 (50.00%) 7.36 0.03
Lactating status      
Heifer 34 3 (8.82%)    
Lactating 28 5 (17.86%)    
Non lactating 23 5 (21.74%) 1.98 0.37
Reproductive status      
Heifer 30 3 (10.00%)    
Pregnant 27 5 (18.52%)    
Non pregnant 28 5 (17.86%) 1.01 0.60
Parity number      
X=0 39 4 (10.26%)    
0<X ≤ 2 20 4 (20.00%)    
X>2 26 5 (19.23%) 1.42 0.49
Table 1: Association of assumed risk factors with single comparative intradermal tuberculin test positivity in cattle.