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Table 5 Three-level analyses to identify determinants for recent dengue infection in Mae Hia, northern Thailand.

From: Multi-level analyses of spatial and temporal determinants for dengue infection

  % sca aORa 95% CIa
ICC individuals   <0.0001  
ICC households   <0.0001  
Time (survey)    
May 2002 6.9 1.0  
September 2002 26.7 4.76 3.28–6.91
May 2003 1.4 0.18 0.08–0.39
September 2003 2.7 0.31 0.16–0.57
Individual-level variables:    
Using abate    
No 5.8 1.0  
Yes 9.7 1.42 0.99–2.02
Bitten during day time    
Never 7.2 1.0  
Sometimes 8.9 1.25 0.88–1.78
Often 8.6 1.71 0.90–3.26
Household-level variables:    
Housing    
Wood or bamboo 7.6 1.0  
Stone 7.8 1.27 0.79–2.04
Combination of stone, wood/bamboo 10.3 1.90 1.16–3.10
Distance to orchards    
0–150 m 9.6 1.0  
151–300 m 8.8 0.72 0.49–1.04
>300 m 7.1 0.47 0.28–0.79
Distance to water bodies    
0–500 m 5.9 1.0  
500–1300 m 8.3 2.26 1.32–3.87
>1300 m 10.5 2.66 1.49–4.75
% bare soils in 200 m    
0% 9.8 1.0  
1% 7.8 0.74 0.49–1.11
>1% 7.3 0.55 0.38–0.79
% village area with vegetation in 200 m    
0–2% 8.4 1.0  
3–8% 8.3 0.73 0.49–1.10
>8% 8.7 0.54 0.68–0.79
  1. a sc = recent dengue infection; aOR = adjusted Odds ratio; 95%-CI = 95% Confidence Interval.