Figure. Overlap of Five Definitions of Disability From the National Survey of Children’s Health (NSCH).
Numbers shown are from the pooled 2016 to 2018 NSCH sample. Percentages in the figure are the percentage of unique children in the sample identified by a specific definition who were not identified by any other definition. The 5 definitions are shown in the Figure. Figure areas are not proportional to scale. Diagram created with InteractiVenn. CSHCN indicates Children with Special Health Care Needs; ICD-9, International Classification of Diseases, Ninth Revision.