Mental retardation epidemiology and demographics: Difference between revisions
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{{Mental retardation}} | {{Mental retardation}} | ||
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==Overview== | |||
The [[prevalence]] of intellectual disability has remained [[stable]] over the years. It is noted that it occurs more in [[males]] and there is no [[racial]] predilection when it comes to the [[prevalence]] of this condition. | |||
==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
The [[prevalence]] is 1% in the general [[population]], with 6 per 1000 persons having a [[severe]] [[mental disability]]. During 2014–2016, the [[prevalence]] of children ever diagnosed with any [[developmental disability]] significantly increased, from 5.76% in 2014 to 6.99% in 2016 while the [[prevalence]] of [[children]] ever diagnosed with [[intellectual disability]] did not significantly change from 2014 to 2016. <ref> {{cite web |url=https://www.cdc.gov/nchs/products/databriefs/db291.htm |title=Products - Data Briefs - Number 291 - November 2017 |format= |work= |accessdate=}} </ref> | |||
===Age=== | |||
The prevalence of intellectual disability was lower among younger children than older children: 0.73% among children aged 3–7 years, 1.45% among children aged 8–12 years, and 1.40% among children aged 13–17 years. <ref>{{cite web |url=https://www.cdc.gov/nchs/products/databriefs/db291.htm |title=Products - Data Briefs - Number 291 - November 2017 |format= |work= |accessdate=}}</ref> | |||
===Race=== | |||
The prevalence of children diagnosed with intellectual disability did not differ significantly by race and Hispanic ethnicity. The difference in the prevalence of intellectual disability between non-Hispanic black children (1.53%) and non-Hispanic other children (0.86%) was not statistically significant (p = 0.21). <ref>{{cite web |url=https://www.cdc.gov/nchs/products/databriefs/db291.htm |title=Products - Data Briefs - Number 291 - November 2017 |format= |work= |accessdate=}}</ref> | |||
===Gender=== | |||
[[Males]] are more likely to have a [[mental disability]] with a ratio of 2:1. During 2014–2016, the prevalence of children ever diagnosed with intellectual disability was 1.48% among boys and 0.90% among girls. <ref>{{cite journal|title=Neurodevelopmental Disorders|year=2013|doi=10.1176/appi.books.9780890425596.dsm01}}</ref> <ref name="MaulikMascarenhas2011">{{cite journal|last1=Maulik|first1=Pallab K.|last2=Mascarenhas|first2=Maya N.|last3=Mathers|first3=Colin D.|last4=Dua|first4=Tarun|last5=Saxena|first5=Shekhar|title=Prevalence of intellectual disability: A meta-analysis of population-based studies|journal=Research in Developmental Disabilities|volume=32|issue=2|year=2011|pages=419–436|issn=08914222|doi=10.1016/j.ridd.2010.12.018}}</ref> <ref>{{cite web |url=https://www.cdc.gov/nchs/products/databriefs/db291.htm |title=Products - Data Briefs - Number 291 - November 2017 |format= |work= |accessdate=}}</ref> | |||
===Prevalence=== | ===Developed Countries=== | ||
In the United States, individuals with a [[severe]] [[intellectual disability]] are at 0.3-0.5% and 9.21 per 1000 people in [[developed countries]]. <ref>{{cite journal|title=Neurodevelopmental Disorders|year=2013|doi=10.1176/appi.books.9780890425596.dsm01}}</ref> <ref name="MaulikMascarenhas2011">{{cite journal|last1=Maulik|first1=Pallab K.|last2=Mascarenhas|first2=Maya N.|last3=Mathers|first3=Colin D.|last4=Dua|first4=Tarun|last5=Saxena|first5=Shekhar|title=Prevalence of intellectual disability: A meta-analysis of population-based studies|journal=Research in Developmental Disabilities|volume=32|issue=2|year=2011|pages=419–436|issn=08914222|doi=10.1016/j.ridd.2010.12.018}}</ref> | |||
===Developing Countries=== | |||
Prevalence is at 16.41 per 1000 people in [[developing countries]]. <ref>{{cite journal|title=Neurodevelopmental Disorders|year=2013|doi=10.1176/appi.books.9780890425596.dsm01}}</ref> <ref name="MaulikMascarenhas2011">{{cite journal|last1=Maulik|first1=Pallab K.|last2=Mascarenhas|first2=Maya N.|last3=Mathers|first3=Colin D.|last4=Dua|first4=Tarun|last5=Saxena|first5=Shekhar|title=Prevalence of intellectual disability: A meta-analysis of population-based studies|journal=Research in Developmental Disabilities|volume=32|issue=2|year=2011|pages=419–436|issn=08914222|doi=10.1016/j.ridd.2010.12.018}}</ref> | |||
== References == | == References == | ||
Latest revision as of 03:10, 20 July 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chelsea Mae Nobleza, M.D.[2] Kiran Singh, M.D. [3]
Overview
The prevalence of intellectual disability has remained stable over the years. It is noted that it occurs more in males and there is no racial predilection when it comes to the prevalence of this condition.
Epidemiology and Demographics
The prevalence is 1% in the general population, with 6 per 1000 persons having a severe mental disability. During 2014–2016, the prevalence of children ever diagnosed with any developmental disability significantly increased, from 5.76% in 2014 to 6.99% in 2016 while the prevalence of children ever diagnosed with intellectual disability did not significantly change from 2014 to 2016. [1]
Age
The prevalence of intellectual disability was lower among younger children than older children: 0.73% among children aged 3–7 years, 1.45% among children aged 8–12 years, and 1.40% among children aged 13–17 years. [2]
Race
The prevalence of children diagnosed with intellectual disability did not differ significantly by race and Hispanic ethnicity. The difference in the prevalence of intellectual disability between non-Hispanic black children (1.53%) and non-Hispanic other children (0.86%) was not statistically significant (p = 0.21). [3]
Gender
Males are more likely to have a mental disability with a ratio of 2:1. During 2014–2016, the prevalence of children ever diagnosed with intellectual disability was 1.48% among boys and 0.90% among girls. [4] [5] [6]
Developed Countries
In the United States, individuals with a severe intellectual disability are at 0.3-0.5% and 9.21 per 1000 people in developed countries. [7] [5]
Developing Countries
Prevalence is at 16.41 per 1000 people in developing countries. [8] [5]
References
- ↑ "Products - Data Briefs - Number 291 - November 2017".
- ↑ "Products - Data Briefs - Number 291 - November 2017".
- ↑ "Products - Data Briefs - Number 291 - November 2017".
- ↑ "Neurodevelopmental Disorders". 2013. doi:10.1176/appi.books.9780890425596.dsm01.
- ↑ 5.0 5.1 5.2 Maulik, Pallab K.; Mascarenhas, Maya N.; Mathers, Colin D.; Dua, Tarun; Saxena, Shekhar (2011). "Prevalence of intellectual disability: A meta-analysis of population-based studies". Research in Developmental Disabilities. 32 (2): 419–436. doi:10.1016/j.ridd.2010.12.018. ISSN 0891-4222.
- ↑ "Products - Data Briefs - Number 291 - November 2017".
- ↑ "Neurodevelopmental Disorders". 2013. doi:10.1176/appi.books.9780890425596.dsm01.
- ↑ "Neurodevelopmental Disorders". 2013. doi:10.1176/appi.books.9780890425596.dsm01.