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Table 3 Multiple analysis (multinomial response) in mild and severe cases of dengue fever, both compared with controls, Campinas, SP, 2007

From: Spatial distribution of the risk of dengue fever in southeast Brazil, 2006-2007

Variable ORaMild cases 95%CI ORaSevere cases 95%CI
Age (years) 0.99 0.98, 1.00 0.97 0.96, 0.99
Stays home during the day     
   Yes 0.47 0.35, 0.64 0.38 0.24, 0.58
   No -   -  
Water storage     
   Yes 2.39 1.33, 4.31 2.75 1.37, 5.53
   No -   -  
Garbage collection (times per week)     
   ≤2 2.78 1.61, 4.81 2.30 1.16, 4.56
   > 2 -   -  
Mosquito bites during the day     
   Yes 1.68 1.23, 2.29 2.34 1.50, 3.64
   No -   -  
Basic sanitation     
   Centralized -   -  
   Cesspool 1.26 0.82, 1.95 1.03 0.56, 1.89
Number of breeding sites     
   0 -   -  
   1 to 10 1.76 1.24, 2.50 2.05 1.25, 3.34
   >10 1.46 1.00, 2.13 2.06 1.23, 3.45
Assessment of Larvae Density b 2.13 1.80, 2.54 2.86 2.25, 3.64
  1. a OR = odds ratio
  2. b Assessment of Larvae Density = number of positive breeding sites per 100 households.