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Table 3 Outcomes of interest to be analysed

From: Assessment of the effect of larval source management and house improvement on malaria transmission when added to standard malaria control strategies in southern Malawi: study protocol for a cluster-randomised controlled trial

Outcome Metric Source of Data
Entomological inoculation rate (EIR)* abundance of female malaria vectors collected per trap-night, multiplied by proportion positive for Plasmodium falciparum sporozoites; indoor-only, outdoor-only, and pooled* Routine monitoring of adult mosquitoes
Malaria vector community composition Ratio of An. funestus to An. gambiae to An. arabiensis Routine monitoring of adult mosquitoes  
Malaria vector human blood index (HBI) Proportion of Anopheles with human blood in abdomen out of all blood-fed Anopheles Resting mosquito collections
Peak malaria vector biting time Time of day (starting hour to ending hour) when 80% of host-seeking malaria vectors collected Human landing collections
Larval mosquito density Number of 3rd instar, 4th instar, and pupae per metre of potential larval habitat Routine monitoring of larval mosquitoes
Parasite prevalence in children aged 6–59 months Proportion of RDT tests positive for Plasmodium falciparum Malaria indicator surveys
Prevalence of anaemia in children aged 6–59 months Proportion of anemia tests with Hb < 8.0 Malaria indicator surveys
Incidence of clinical malaria in children aged 6–59 months Number of clinical malaria cases per child per year Incidence study cohorts
  1. *Primary outcomeRaw data for proportions will be stored as separate numbers in the database, with actual proportions calculated at time of analysis only; also applies to ratios.