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Table 6 Bivariate analysis of associations between malaria infection status principally determined by PCR and predictive factors

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

Predictive factors Positive rate (%) P valuea
Individual level factors
 Age (years)
  <5 1.5 0.273
  5–14 6.4
  ≥15 6.3
 Gender
  Female 5.1 0.240
  Male 7.0
 Working forest at night
  No 6.0 0.984
  Yes 6.1
 Fever episode in the last 2 weeks
  No 6.0 1.000
  Yes 5.6
Household level factors
 Person-per-net ratio
  ≤2.5 6.2 0.243
  >2.5 and <4.0 7.2
  ≥4.0 or no net 3.2
  Unknown 6.7
 Number of household members
  <5 7.6 0.689
  5–7 5.4
  ≥8 6.0
 Household with at least one additional infected member
  No 3.8 <0.001
  Yes 45.6
  1. aChi square test or Fisher’s exact test