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Table 2 Simple and multiple analyses (binomial response) of dengue fever cases and controls, Campinas, SP, 2007

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

Variable Crude ORa 95% CI Adjusted ORa 95% CI
Age (years) 0.98 0.97, 0.99 0.99 0.98, 1.00
   Sex     
   Male 1.01 0.80, 1.26   
   Female -    
Education level, head of household (years of study) 0.94 0.91, 0.96   
Stays home during the day     
   Yes 0.58 0.46, 0.73 0.45 0.34, 0.60
   No -   -  
Has had dengue fever     
   Yes 0.94 0.47, 1.89   
   No -    
Water supply     
   Centralized -    
   Well, Truck or "Improvised" 4.41 2.34, 8.33   
Water shortage     
   Yes 1.11 0.69, 1.79   
   No -    
Water storage     
   Yes 4.44 2.80, 7.03 2.48 1.41, 4.35
   No -   -  
Garbage around the house     
   Yes 2.70 2.07, 3.54   
   No -    
Garbage collection (times per week)     
   ≤ 2 5.68 3.82, 8.43 2.64 1.56, 4.47
   > 2 - -   
Flood     
   Yes 4.83 3.43, 6.76   
   No -    
Mosquito bites during the day     
   Yes 1.52 1.21, 1.93 1.82 1.36, 2.44
   No -   -  
Basic sanitation     
   Centralized -   -  
   Cesspool 2.02 1.48, 2.76 1.19 0.80, 1.79
   Open air 7.28 4.89, 10.8 2.94 1.77, 4.87
Presence of breeding sites     
   Yes 2.73 2.17, 3.44   
   No -    
Number of breeding sites     
   0 -   -  
   1 to 10 2.78 2.10, 3.68 1.83 1.31, 2.54
   >10 2.68 2.03, 3.55 1.60 1.12, 2.27
Presence of Larvae     
   Yes 1.08 0.42, 2.76   
   No -    
Assessment of Larvae Density b 2.62 2.25, 3.04 2.30 1.96, 2.70
  1. a OR = odds ratio
  2. b Assessment of Larvae Density = number of positive breeding sites per 100 domiciles