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Table 4 Three-level analyses to identify determinants for recent dengue infection in Ban Pang, 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 25.7 1.0  
September 2002 21.2 0.84 0.64–1.11
May 2003 4.6 0.14 0.09–0.21
September 2003 0.9 0.03 0.01–0.07
Individual-level variables:    
Profession    
Farmer 12.6 1.0  
Trader 15.1 1.08 0.56–2.09
Housewife 14.7 1.15 0.69–1.90
Student 9.0 0.51 0.34–0.77
Other 12.8 0.55 0.26–1.16
Unemployed 8.3 0.55 0.30–0.99
Labour 10.0 0.63 0.43–0.91
Days in house    
No 19.8 1.0  
Yes 10.5 0.71 0.54–0.94
Days in fields    
No 14.1 1.0  
Yes 12.5 0.66 0.48–0.90
Evening in house    
No 23.4 1.0  
Yes 12.6 0.66 0.43–1.02
Household-level variables:    
Water around house    
Yes 12.2 1.0  
No 9.4 0.63 0.46–0.86
Domestic animals    
Yes 12.3 1.0  
No 9.8 0.79 0.60–1.04
Distance to irrigated fields    
0–600 m 9.4 1.0  
601–800 m 13.9 1.88 1.32–2.67
>800 m 11.1 1.50 1.01–2.21
% irrigated field in 200 m    
0% 11.7 1.0  
>0% 10.4 1.38 0.95–2.00
  1. a sc = recent dengue infection; aOR = adjusted Odds ratio; 95%-CI = 95% Confidence Interval.