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Table 5 Multivariate analysis of the associations between household characteristics and case-control status

From: Individual and household factors associated with incidences of village malaria in Xepon district, Savannakhet province, Lao PDR

Predictive factors

Crude odds ratio

(95% CI)

Adjusted oddsa ratio

(95% CI)

Number of household members

 ≤ 6

1.00

1.00

 > 6

1.16 (0.63–2.12)

1.48 (0.70–3.13)

Person per net ratio

 ≤ 2.5

1.00

1.00

 > 2.5

0.92 (0.50–1.67)

0.83 (0.40–1.71)

Type of water used for daily life

 Stream water

1.00

1.00

 Water other than stream water

1.19 (0.66–2.15)

1.50 (0.70–3.21)

Wealth index quartiles

 First (least poor)

1.00

1.00

 Second

1.50 (0.65–3.45)

1.67 (0.63–4.38)

 Third

1.67 (0.69–4.02)

2.35 (0.77–7.14)

 Fourth (poorest)

2.65 (1.18–5.96)

6.16 (1.92–19.72)

Wall materials

 Brick

1.00

1.00

 Other

0.96 (0.50–1.64)

0.97 (0.40–2.35)

Flooring materials

 Wood

1.00

1.00

 Other

0.46 (0.24–0.91)

0.25 (0.09–0.68)

Roofing materials

 Zinc

1.00

1.00

 Other

0.47 (0.19–1.18)

0.61 (0.21–1.75)

Open space in the house

 No

1.00

1.00

 Yes

3.50 (1.82–6.70)

3.64 (1.68–7.84)

Kitchen location

 Inside the house

1.00

1.00

 Outside the house

1.24 (0.66–2.33)

0.94 (0.35–2.48)

Cattle keeping near the house

 No

1.00

1.00

 Yes

1.35 (0.73–2.48)

1.78 (0.85–3.74)

Weed management within 10 m around the house

 Poor

1.00

1.00

 Good

0.66 (0.36–1.20)

0.67 (0.32–1.39)

  1. aAdjusted for number of household members, person per net ratio, type of water used for daily life, wealth index, wall materials, flooring materials, roofing materials, open space in the house, kitchen location, cattle keeping near the house, weed management within 10 m around the house