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Table 4 Bivariate analysis of factors potentially associated with self-reported dengue illness among household members in the previous year

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

 

Dengue

OR

95% CI

95% CIca

Proportion

%

 

Larvivorous fish present in at least one water container

 Yes

125/7589

1.6

0.66

0.54–0.79

0.48–0.90

 No

862/34887

2.5

   

Household use

 Business/home & business

991/42332

2.3

0.97

0.75–1.34

0.63–1.48

 Home

56/2316

2.5

   

Area of residence

 Rural

488/25439

1.9

0.66

0.58–0.74

0.47–0.92

 Urban

176/1688

2.9

   

Household positive for Ae. aegypti larvae/pupae

 Yes

178/6343

2.8

1.25

1.05–1.46

0.96–1.63

 No

870/38477

2.3

   

Type of household

 Permanent or semi-permanent

379/17580

2.2

0.87

0.76–0.99

0.69–1.09

 Provisional or unstable

666/26924

2.5

   

Number of times temephos was distributed on the premises (in the last year)

 4–20 times

144/7482

1.9

0.79

0.65–0.94

0.60–1.05

 0–3 times

861/35559

2.4

   

Temephos observed in water containers (less than 2 months old)

 Temephos in 1 or more containers (1–15)

246/8690

2.8

1.30

1.11–1.50

1.04–1.63

 No temephos

741/33790

2.2

   

Use of insecticide anti-mosquito products

 Yes

680/22555

3.0

1.84

1.62–2.1

1.48–2.28

 No

362/21791

1.7

   

Tap water in the household

 Yes

853/38320

2.2

0.73

0.63–0.87

0.48–1.10

 No

195/6257

3.0

   

Educational level of household head

 Six years of primary school or higher

747/27698

2.7

1.53

1.34–1.77

1.23–1.91

 0–5 years of primary school

296/16671

1.8

   

Language

 Spanish

930/39470

2.4

1.06

0.88–1.32

0.65–1.72

 Indigenous language

112/5027

2.2

   

Oportunidades beneficiarya

 Yes

491/24152

2.0

0.75

0.66–0.85

0.58–0.96

 No

554/20515

2.7

   

People per household

 < 6 people

716/27113

2.6

1.42

1.25–1.63

1.14–1.77

 ≥ 6 people

332/17706

1.9

   

Sex of household member

 Male

513/21494

2.4

1.04

0.92–1.18

0.92–1.17

 Female

535/23324

2.3

   

Age of household member

 < 30 years

626/25545

2.5

1.12

0.99–1.30

0.95–1.32

 ≥ 30 years

422/19275

2.2

   
  1. Bold font indicates associations significant at the 5% level
  2. aOportunidades, 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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