Variable No. animals examined No. animals pos. Prevalence (%) OR (95% CI) p
Sex
Male 89 17 19.1 Ref  
Female 115 28 24.4 1.4 (0.7-2.7) 0.371
Age
≤ 1 Year 79 23 29.1 Ref  
1-3 Year 109 20 18.4 0.5 (0.3-1.1) 0.085
>3 Year 16 2 12.5 0.3 (0.1-1.7) 0.184
Management system
Intensive 32 0 0    
Extensive 172 45 26.2    
BCS          
Good 102 9 8.8 Ref  
Moderate 28 11 39.3 6.7 (2.4-18.6) 0
Poor 74 25 33.8 5.3 (2.3-12.2) 0
Deworming history
Dewormed 118 13 11 Ref  
Non dewormed 86 32 37.2 4.8 (2.3-9.9) 0
Table 2: Logistic regression analysis of D. filaria infection in sheep with different risk factors. OR: Odds Ratio; CI: Confidence Interval; BCS: Body Condition Score; Ref: Reference Category.