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Table 3 T.parva incidence during 18 months of follow-up

From: Collateral benefits of restricted insecticide application for control of African trypanosomiasis on Theileria parva in cattle: a randomized controlled trial

Category Animals (n) Samples (n) Episodes (n) Positive (%) IRR 95% CI P
A) Overall incidences
No RAP 666 2118 45 2.1 Ref
RAP 2418 6857 121 1.8 0.80 0.30-2.14 0.65
B) Prevalences at month 6, 12 and 18
  Animals; n (%) Positive; n (%) Crude OR 95% CI    
i) Prevalence at month 6      
No RAP 359 10 (3%) Ref     
RAP 1044 21 (2%) 0.70 0.27-1.8    
ii) Prevalence at month 12      
No RAP 404 14 (3%) Ref     
RAP 1064 29 (3%) 0.67 0.24-1.91    
iii) Prevalence at month 18      
No RAP 198 2 (1%) Ref     
RAP 698 15 (2%) 2.17 0.37-12.73