Assessing the prevalence of sensory and motor impairments in childhood in Bangladesh using key informants

Objectives The study was conducted to determine whether trained key informants (KI) could identify children with impairments. Design Trained KI identified children with defined impairments/epilepsy who were then examined by a medical team at a nearby assessment centre (Key Informant Methodology: KIM). A population-based household randomised sample survey was also conducted for comparing the prevalence estimates. Setting Three districts in North Bangladesh. Participants Study population of approximately 258 000 children aged 0–