A Case-Control Study to Assess the Relationship Between Poverty and Visual Impairment from Cataract in Kenya, Philippines and Bangladesh
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Abstract
The aim of this study was to examine the association between visual impairment from cataract and poverty in adults in Kenya, Bangladesh, and the Philippines. A population-based case–control study was conducted in three countries during 2005–2006. Cases were persons aged 50 y or older and visually impaired due to cataract (visual acuity , 6/ 24 in the better eye). Household expenditure was assessed through the collection of detailed consumption data, and asset ownership and self-rated wealth were also measured. In total, 596 cases and 535 controls were included in these analyses (Kenya 142 cases, 75 controls; Bangladesh 216 cases, 279 controls; Philippines 238 cases, 180 controls). [PLoS Medicine December 2008].poverty, adults, blindness, data, statistical analysis, visual impairment, Kenya, Bangladesh, Philippines, population, consumption data, household, expenditure, asset ownership, wealth, cataract,