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Table 3 Odds ratio (OR) and relative abundance (RA) for each predictor of house infestation and abundance of Triatoma infestans in high-risk houses across the municipality of Avia Terai (n = 518 houses)

From: Urbanisation, risk stratification and house infestation with a major vector of Chagas disease in an endemic municipality of the Argentine Chaco

Variable

House infestation

Bug abundance

OR

95% CI

RA

95% CI

Domestic insecticide use

 No

1.00

1.00

 Yes

0.57

0.34–0.95*

0.58

0.32–1.07

No. of residents

 1–2

1.00

1.00

 3–4

0.94

0.56–1.58

0.94

0.51–1.74

 > 5

0.70

0.43–1.14

0.47

0.26–0.85*

No. of dogs or cats

 0

1.00

1.00

 1–2

1.95

0.30–12.55

3.50

0.55–22.19

 ˃ 2

1.48

0.26–8.32

3.66

0.70–19.03

No. of poultry

 0

1.00

1.00

 1–5

1.29

0.46–3.68

1.61

0.60–4.34

 6–25

5.59

2.58–12.11*

6.13

3.01–12.50*

 ˃ 25

12.72

5.64–28.70*

13.31

6.41–27.64*

Suitable walls

 No

1.00

1.00

 Yes

1.61

1.05–2.45*

1.21

0.72–2.02

Environment

 Urban

1.00

1.00

 Peri-urban

1.74

0.96–3.14

1.06

0.52–2.18

 Rural

1.29

0.75–2.20

1.80

0.97–3.36

  1. *P < 0.05