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Table 5 Mediation analysis of the association between socioeconomic position and malaria infection in children aged six months to 10 years in Nagongera, Uganda

From: Why is malaria associated with poverty? Findings from a cohort study in rural Uganda

Mediating variablea Risk difference (95 % CI)b, high versus low SEPc Proportion of total effect of SEP that occurs through mediator, % (95 % CI)
Direct effect of SEP Effect of SEP through mediator Total effect of SEP
House typed −8.6 (-15.6, -2.1) −2.9 (-5.5, -0.8) −11.5 (-18.1, -4.9) 24.9 (15.8, 58.6)
Food securitye −9.2 (-16.9, -2.2) −2.1 (-5.3, 0.0) −11.4 (-18.4, -4.4) 18.6 (11.6, 48.3)
  1. aTreatment-seeking behaviour was excluded from the mediation analysis since data on time to seek treatment were available for 191 of 333 (57 %) children only
  2. bRisk difference adjusted for gender, age (<5 years vs 5–11 year) and clustering at the household level
  3. cSEP: household socioeconomic position, modelled as a binary variable (middle and highest wealth index tertiles versus lowest wealth index tertile)
  4. dHouse type: modern (cement, wood or metal walls; and tiled or metal roof; and closed eaves) versus traditional (all other houses)
  5. eFood security: Meat consumed 3–7 days versus 0–2 days per week