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Purpose <p>Previous research has documented disparities in autism prevalence and the co-occurrence of intellectual disability (ID) with autism for children from immigrant communities. The current study compared autism prevalence and co-occurrence of ID in 8-year-olds across racial/ethnic groups using data from the Minnesota site of the CDC Autism and Developmental Disabilities Monitoring Network, with a focus on two large racial/ethnic groups: Somali and Hmong.</p> Methods <p>Systematic review of health and educational records was performed within a defined geographic area, and data were combined from 2014 to 2016 surveillance years to obtain adequate sample sizes to compare prevalence and co-occurrence of ID across race/ethnicity.</p> Results <p>Somali children had a higher autism prevalence compared to Hispanic, Hmong, and non-Hmong Asian children, with prevalence ratios (PR) of 1.8, 2.1, and 2.1, respectively. Hmong children had a significantly lower autism prevalence compared to White (PR 0.6) and non-Somali Black (PR 0.7) children. Significant differences in co-occurring ID status were found by race/ethnicity.</p> Conclusion <p>Identifying subgroups of children with higher prevalence of autism or greater co-occurring ID can inform public health policy and improve outcomes for individuals with autism and their families. Differences in prevalence and co-occurring ID by race/ethnicity may suggest barriers to service utilization.</p>

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Autism Prevalence, Co-occurring Intellectual Disability, and Support Needs Differ for Somali and Hmong Communities in Minnesota

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月9日

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  • Amy N. Esler,
  • Jennifer Hall-Lande,
  • Jenny N. Poynter,
  • Libby Hallas

摘要

Purpose

Previous research has documented disparities in autism prevalence and the co-occurrence of intellectual disability (ID) with autism for children from immigrant communities. The current study compared autism prevalence and co-occurrence of ID in 8-year-olds across racial/ethnic groups using data from the Minnesota site of the CDC Autism and Developmental Disabilities Monitoring Network, with a focus on two large racial/ethnic groups: Somali and Hmong.

Methods

Systematic review of health and educational records was performed within a defined geographic area, and data were combined from 2014 to 2016 surveillance years to obtain adequate sample sizes to compare prevalence and co-occurrence of ID across race/ethnicity.

Results

Somali children had a higher autism prevalence compared to Hispanic, Hmong, and non-Hmong Asian children, with prevalence ratios (PR) of 1.8, 2.1, and 2.1, respectively. Hmong children had a significantly lower autism prevalence compared to White (PR 0.6) and non-Somali Black (PR 0.7) children. Significant differences in co-occurring ID status were found by race/ethnicity.

Conclusion

Identifying subgroups of children with higher prevalence of autism or greater co-occurring ID can inform public health policy and improve outcomes for individuals with autism and their families. Differences in prevalence and co-occurring ID by race/ethnicity may suggest barriers to service utilization.