Proportion of children with each main symptom assessed correctly by health workers' during the observation period.

aUnit of analysis is the health worker.bObserved health workers saw a different number of children with each of the main symptoms.cExcludes 5 health workers who did not see any child with diarrhoea.dExcludes 1 health worker who did not see any child with fever.eExcludes 13 health workers who did not see any child with an ear problem.fExcludes 24 health workers who did not see a child with any severe classification.