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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.
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