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Table 2 Bivariate analysis of factors potentially associated with recent dengue infection (at least doubling of IgG levels) among 4856 children aged 3–9 years

From: “Where we put little fish in the water there are no mosquitoes:” a cross-sectional study on biological control of the Aedes aegypti vector in 90 coastal-region communities of Guerrero, Mexico

  Infected OR 95% CI 95% CIca
Proportion %  
Larvivorous fish present in at least one water container
 Yes 41/877 4.7 0.55 0.37–0.76 0.37–0.81
 No 312/3797 8.2    
Household use
 Home 350/4651 7.5 0.90 0.57–1.90 0.52–1.58
 Business/home&business 16/195 8.2    
Area of residence
 Rural 190/3167 6 0.55 0.44–0.68 0.37–0.80
 Urban 177/1689 10.5    
Household positive for Ae. aegypti larvae/pupae
 Yes 50/606 8.3 1.12 0.78–1.50 0.81–1.54
 No 317/4250 7.5    
Type of household
 Permanent or semi-permanent 156/2147 7.3 0.92 0.74–1.15 0.72–1.17
 Provisional or unstable 210/2680 7.8    
Number of times temephos was distributed on the premises (in the last year)
 4–20 times 68/759 9 1.24 0.91–1.62 0.85–1.80
 0–3 times 291/2947 7.4    
Temephos observed in water containers (less than 2 months old)
 Temephos in 1 or more containers 74/849 8.7 1.21 0.90–1.58 0.90–1.63
 No temephos 279/3826 7.3    
Use of insecticide anti-mosquito products
 Yes 188/2445 7.7 1.04 0.85–1.32 0.82–1.33
 No 173/2358 7.4    
Tap water in the household
 Yes 306/4059 7.5 0.97 0.75–1.39 0.61–1.55
 No 61/842 7.8    
Educational level of household head
 Six years of primary school or higher 263/3218 8.2 1.30 1.03–2.1.68 1.03–1.64
 0 to 5 years of primary school 103/1605 6.4    
Language
 Spanish 319/4158 7.7 1.14 0.84–1.67 0.71–1.85
 Indigenous language 45/666 6.8    
Oportunidades beneficiarya
 Yes 211/3159 6.7 0.70 0.56–0.87 0.55–0.90
 No 156/1686 9.3    
People per household
 < 6 people 187/2431 7.7 1.04 0.83–1.29 0.83–1.30
 ≥ 6 people 180/2424 7.4    
Sex of child
 Male 171/2377 7.2 0.91 0.73–1.14 0.73–1.15
 Female 193/2470 7.8    
Age of child
 3–5 years old 102/1757 5.8 0.66 0.51–0.83 0.53–0.82
 6–9 years old 258/3021 8.1    
  1. Bold font indicates associations significant at the 5% level
  2. a Oportunidades, now called Prospera, is a Mexican government programme of cash transfers to mothers to encourage them to send their children to school and to health centres.