Volume 92, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A malaria cohort study was conducted among young children in Machinga District, Malawi, following distribution of insecticide-treated bednets (ITNs) in May 2012. To assess ITN use, two independently sampled subsets of children (211 during survey 1 [December 2012–January 2013] and 325 during survey 2 [September–October 2013]) were randomly selected to compare the proportions of positive and negative agreement between caregiver verbal reports at monthly interviews with visual observation of the ITN at home visits. Caregiver-reported ITN use was consistently high during both surveys (98.1% and 96.0%, respectively; = 0.17). Home visit-based ITN use fell significantly ( < 0.001) from survey 1 (98.6%) to survey 2 (88.6%). The proportions of positive agreement between caregiver report and home visit in the first and second surveys were 98.8% (95% confidence interval [CI] 97.6–99.8%) and 93.3% (95% CI 91.2–95.3%), respectively. The proportions of negative agreement in the first and second surveys were 28.6% (95% CI 0–75.0%) and 20.0% (95% CI 0.1–35.0%), respectively. ITN use by children was high in Machinga District, and caregiver reports and home visits with visual confirmation of the net demonstrated a high level of agreement for use of ITNs, but a low level of agreement when ITNs were not used.


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  • Received : 01 Dec 2014
  • Accepted : 07 Jan 2015
  • Published online : 01 Apr 2015

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