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Table 3 Protective factors against papular urticaria in children (1–6 years of age)

From: Prevalence of papular urticaria caused by flea bites and associated factors in children 1–6 years of age in Bogotá, D.C.

Factors Prevalence CI 95% for Prevalence Relative standard error (%) p value OR CI 95% OR
Presence of rodents in the bedroom
 Yes 8.6 3.9–17.9 38.7 0.02 0.36 0.15–0.87
 No 20.5 18.2–22.9 5.7 1.00  
Sewerage system
 Yes 20.1 18.0–22.3 5.4 0.023 0.43 0.20–0.90
 No 36.6 21.9–54.2 22.9 1.00  
Wooden floor in the living room
 Yes 13.5 9.1–19.4 19.1 0.016 0.56 0.35–0.90
 No 21.6 19.2–24.1 5.7 1.00  
Wooden floor in the main bedroom
 Yes 15.3 11.8–19.6 12.8 0.016 0.66 0.48–0.92
 No 21.3 19.0–23.8 5.7 1.00  
Wooden floor in the children’s bedroom
 Yes 14.2 10.7–18.8 14.2 0.004 0.59 0.41–0.84
 No 22 19.4–24.7 6 1.00  
Adjacent house
 Without 15.3 11.9–19.5 12.5 0.006 0.62 0.44–0.87
 With 22.5 20.0–25.3 5.9 1.00  
Private transportation used to travel on a daily basis
 Yes 15.2 11.5–19.8 13.8 0.012 0.63 0.448–0.904
 No 22.0 19.6–24.6 5.7 1.00  
Transportation by bus owned by the educational institution, used on a daily basis by children
 Yes 11.4 7.7–16.6 19.5 0.001 0.47 0.29–0.75
 No 21.3 19.1–23.8 5.6 1.00  
Private transportation used by children to go to the educational institution
 Yes 12.3 7.8–18.8 22 0.010 0.51 0.31–0.85
 No 21.4 19.2–23.8 5.4 1.00