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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