A comparison of efficacy of the key informant and community survey methods in the identification of childhood disability in Jamaica.

A comparison of the efficacy of the key informant and the community survey methods for identifying children with disability was carried out in the Jamaican component of an international epidemiological study of childhood disability. Approximately 130 key informants were exposed to a 2-day workshop giving information on signs of disability, aspects of the project, and available services. Questionnaires were given to enable the informants to refer children and they were reminded 6 months later. In the survey method, eight community workers completed a house-to-house survey of all families and administered the 10-question screen with probes on 5475 children, 2 to 9 years old. Seventeen referrals were made by the key informants; of these, two were found to have disabilities. Of the 821 children who tested positive on the 10-question screen in the house-to-house survey, 193 had disabilities. We concluded that the key informant method would not be a satisfactory way of identifying cases of childhood disability.