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Table 1 Risk factors, odds ratios and confidence intervals associated with positive results for T. cruzi in 370 owned dogs of Merida, Yucatan

From: American trypanosomiasis and associated risk factors in owned dogs from the major city of Yucatan, Mexico

Risk factor n Positive Frequency (%) OR CI 95 % p value
Sex
 Female 278 34 12.23a 1.03 0.47-2.26 0.94
 Male 92 11 11.95a 1   
Age
 ≥2 208 31 14.9a 1.85 0.9-3.81 0.06
 <2 162 14 8.64a 1   
Domiciliary area
 A (northwest) 118 12 10.16a 0.45 0.19-1.06  
 B (northeast) 97 8 8.2a 0.38 0.15-0.98  
 C (southwest) 85 11 12.94ab 0.69 0.28-1.68  
 D (southeast) 70 14 20b 1   0.05
Total 370 45 12.16    
  1. OR Odds ratio, CI Confidence interval
  2. Different letters (a, b) indicate statistical significance (p <0.05)