Hayat Ahmed Ali, Bezaye Abebe, Ayalew Moges, Negussie Deyessa
Behavioural abnormalities among school-age children living with HIV at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia
African journal of AIDS research : AJAR
establish reliabilityvalidity 18item test patients medical data interpretation skills survey retest 2 weeks subjects 178 people recruited advertisements local newspapers outpatient clinic hospital open house percentage correct answers individual items ranged 20 87 medical data interpretation test scores 0 100 scale normally distributed median 611 mean 610 range 694 reliability good testretest correlation067 cronbachs alpha071 construct validity supported several ways higher scores found among people highest versus lowest numeracy 71 v 36 p0001 highest quantitative literacy 65 v 28 p0001 highest education 69 v 42 p0004 scores 15 physician experts also completing survey significantly higher participants postgraduate degrees mean score 89 v 69 p0001 medical data interpretation test reliable valid measure ability interpret medical statistics