Study of Prevalence, Sex Ratio and Different Level of Intellectual Disability in Haryana

Intellectual disability is a life long disability that presents in infancy or the early childhood years but it cannot be diagnosed until the child is older than 5 years, when standardized measures of intelligence become reliable and valid. Five hundred intellectual disabled persons have been evaluated from different districts of Haryana state in present study. Questionnaire has been developed for the different level of intellectual disability, sex ratio, age of child as well as order of birth and diagnosis age were recorded. IQ was determined by Seguin board test. 54% moderate, 27.6% mild, 18.4% severe intellectual disability was found in present study. Prevalence higher in males (78.4%) as compared to females (21.6%). Age of Diagnosis is different in different level of intellectual disability. Maximum persons were of second order, followed by 1st order in family.