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Table 9 Multivariate analysis of associations between malaria infection status determined by rapid diagnostic tests and predictive factors

From: Household clustering of asymptomatic malaria infections in Xepon district, Savannakhet province, Lao PDR

Predictor variables

Adjusted odds ratioa

Adjusted 95 % confidence interval

P value

Individual level variables

 Age (years)

  <15

1.00

Reference

 

  ≥15

0.52

0.18–1.46

0.211

 Gender

  Female

1.00

Reference

 

  Male

1.01

0.38–2.69

0.990

 Working forest at midnight

  No

1.00

Reference

 

  Yes

2.27

0.26–20.09

0.461

 Fever episode in the last 2 weeks

  No

1.00

Reference

 

  Yes

2.54

0.73–8.87

0.143

Household level variables

 Person-per-net ratio

  ≤2.5

1.00

Reference

 

  >2.5 and <4.0

1.01

0.29–3.52

0.986

  ≥4.0 or no net

0.62

0.13–3.02

0.558

 Number of household members

  <8

1.00

Reference

 

  ≥8

0.38

0.10–1.42

0.152

 Household with at least one additional infected member

  No

1.00

Reference

 

  Yes

56.69

9.38–342.61

<0.001

  1. aAdjusted for age, gender, working in forest, fever episode, person-per-net ratio, number of household members, and at least one additional infected member