© 1992 Oxford University Press
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Prevalence of Childhood Disability in a Southern Indian City: Independent Effect of Small Differences in Social Status


* College of Human Medicine, Michigan State University East Lansing, MI 48823, USA
** Department of Epidemiology, University of Michigan School of Public Health 109 Observatory Street, Ann Arbor, Ml 48109, USA
Aravind Eye Hospital and Postgraduate Institute of Ophthalmology and Aravind Children's Hospital 1, Anna Nager, Madurai, 626 020, Tamil Nadu, India
A random sample of mothers living in two neighbourhoods of a southern Indian city were interviewed in order to determine the prevalence of serious disability in children 29 years old. These areas were selected because residents constitute either the lowest class or the next higher socioeconomic class (next-to-lowest class), with monthly incomes of US$ 1015 and 3242 respectively. A previously validated screening instrument was used with documented sensitivity of 100% and specificity of 95% when applied under similar conditions. Disability was found to be more common among children of the lowest class families (17.2%) when compared with the next-to-lowest class families (8.4%); with an odds ratio (OR) of 2.36 (95% confidence interval (CI) : 1.083.64). Specific types of disability were examined and found to be consistently more prevalent in the lowest class. These results suggest that comparatively small differences in social status can be associated with important differences in health status.
Received 1 October 1991
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