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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