Open Access Open Access  Restricted Access Subscription Access
Open Access Open Access Open Access  Restricted Access Restricted Access Subscription Access

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


Affiliations
1 Department of Genetics, Maharshi Dayanand University, Rohtak, Haryana, India
2 Dept. of Genetics, M.D. University, Rohtak, Haryana, India
     

   Subscribe/Renew Journal


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.

Keywords

Intellectual Disability, Diagnosis Age, IQ
Subscription Login to verify subscription
User
Notifications
Font Size


  • Curry CJ, Stevenson RE, Aughton D. Evaluation of Mental retardation: recommendations of a consensus conference. Am J Med Genet 1997; 72:468-477.
  • Pollak M. Handicapped children. In: Pollak M. Text book of “Developmental pediatrics”. Edinburgh, United Kingdom: Churchill Livingstone1993; 459-504.
  • Swaiman KF. Mental retardation. In Swaiman KF, ed. “Pediatric Neurology: Principles and Practice”. 2nd ed. St. Louis, Missouri: Mosby Yr Book 1994; 133-146.
  • Durkin MS, Hasan ZM, Hasan KZ. Prevalence and correlates of mental retardation among children on Karachi, Pakistan. Am J Epidemiol 1998; 147: 281-8.
  • McLaren J, Bryson SE. Review of recent epidemiological studies in mental retardation: Prevalence, associated disorders, and etiology. Am J Ment Ret 1987; 92: 243-254.
  • Baird PA, Sadovnick AD. Mental retardation in over half-a-million conservative livebirths: An epidemiological study. Am J Ment Def 1985; 89: 323-330.
  • Young YS Hyun HY, Yung L. The prevalence of mental retardation among third grade elementary school children in the suwon area. Korea J Kore Med Sci 2002; 17: 86-90.
  • Rutter LQ. First Diagnosis of Severe Mental and Physical Disability: A Study of Doctor–Parent Communication. Journal of Child Psychology & Psychiatry 2006; 35(7): 1273-1287.
  • World health organization. ICD-10 classification of mental retardation and behavioural disorder, clinical description and diagnostic guidelines. Geneva: world health organization 1993.
  • Roeleveld N, Zielhuis GA, Gabreels F. The prevalence of mental retardation: a critical review of recent literature. Dev Med Child Neurol 1997; 39: 125-32.
  • Akiko Y, Tomoko S, Takeshi M, et al. An epidemiological study on the cause of mental retardation in Yokohama city. Kanaga Seis Lgakk 1998; 48: 15-21.
  • Matilainen R, Airaksinen E, Mononen T et al. A population-based study on the causes of mild and severe mental retardation. Acta. Paediatr 1995; 84: 261"266.
  • Durkin MS, Schupf N, Stein ZA. Mental retardation. In: Wallace RB, ed. Public health and preventive medicine. East Norwalk, CT: Appleton and Lange (in press) 2000.
  • Stromme P. Aetiology in severe and mild mental retardation; A population based study Norwegian children. Dev. Med child Neurol 2000; 42 (2): 76- 86.
  • Aimin L, Wu Yinghua, Zhang Xiuling, et al. An epidemiological study on prevalence of mental retardation in 0~6-year children in Beijing, China .Chinese journal of practical pediatrics DOI 2006; 2006-11.
  • Ayoglu FN, Feryal C, Sibel K, et al. The prevalence of mental retardation by gender, age of diagnosis and location in Zonguldak province, Turkey. Neurosciences 2008; 13 (1): 57-6.
  • Heikura U, Taanila A, Olsen P, et al. Temporal changes in incidence and prevalence of intellectual disability between two birth cohorts in Northern Finland. American Journal of Mental Retardation 2003; 108:19-31.
  • Rantakallio P, Wendt VL. Risk factors for mental retardation. Arch Dis Child. 1985; 60:946-952.
  • Katusic SK, Colligan RC, Beard CM et al. Mental retardation in a birth cohort, 1976-1980, Rochester, Minnesota. American Journal of Mental Retardation 1996; 100: 335-344.
  • Hagberg B, Hagberg G, Lewerth A et al. Mild mental retardation in Swedish school children. II. Etiologic and pathogenetic aspects. Acta Paediatr Sc and 1981; 70: 445-52.
  • Lisa AC, Judith K, Grether S. The epidemiology of mental retardation of unknown cause. Pediatr 2001; 107: 86 -92.
  • Palmer FB, Capute A J. Mental retardation. Pediatr Rev 1994; 15:473.

Abstract Views: 361

PDF Views: 0




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

Abstract Views: 361  |  PDF Views: 0

Authors

Minakshi Vashist
Department of Genetics, Maharshi Dayanand University, Rohtak, Haryana, India
Ritu Yadav
Dept. of Genetics, M.D. University, Rohtak, Haryana, India
Shiksha Sharma
Department of Genetics, Maharshi Dayanand University, Rohtak, Haryana, India

Abstract


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.

Keywords


Intellectual Disability, Diagnosis Age, IQ

References