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Table 1 Results of the univariate and multivariate logistic regression of determinants of parasite density

From: Epidemiology of subpatent Plasmodium falciparum infection: implications for detection of hotspots with imperfect diagnostics

Variable

 

Univariate

Multivariate

 

Number sub-patent / Number infected (%)

OR 95% CI p-value

OR 95% CI p-value

Household exposure (%)

 

1.08* 1.06-1.1 <0.001

1.09* 1.07-1.11 <0.001

Age group (years)

   

  <5

128 / 227 (56.4%)

1

1

  5-10

163 / 359 (45.4%)

0.52 0.33-0.82 <0.001

0.58 0.37-0.91 0.02

  11-20

141 / 244 (57.8%)

1.03 0.63-1.7 0.89

1.18 0.71-1.94 0.51

  21-40

69 / 106 (65.1%)

1.65 0.88-3.09 0.12

1.77 0.94-3.32 0.08

  >40

105 / 142 (73.9%)

3.03 1.65-5.59 <0.001

3.46 1.87-6.37 <0.001

  1. Parasite density was modelled as a binary outcome; sub-patent (> 0 and <100 parasites/μl) or patent (>100 parasites/μl).
  2. *Per percentage point.