Abstract
(1) Evaluate differences in demographic distributions between those with autism alone and those with autism concomitant with anxiety and (2) assess demographic factors associated with receipt of psychological therapy in patients with autism. Using deidentified health care claims data, we extracted all encounters among children with the International Classification of Diseases-10-CM for Autism Spectrum Disorder (F84) and flagged those with concomitant anxiety (F41.9). Extracted data included age, sex, race, ethnicity, insurance status, and Rural-Urban Continuum Codes. Current procedural terminology codes for psychological services were extracted. Data were analyzed using Mann-Whitney U tests, χ2 tests of association, and logistic regression. Demographic differences between children/adolescents with autism alone versus autism concomitant with anxiety were noted for age, sex, and race/ethnicity, with a greater prevalence of autism/anxiety identified in older-aged children and children identifying as female and non-Hispanic White residing in an urban area. While 21% of those included in this study had received psychotherapy, the percentages within the autism only and autism/anxiety groups were 12% and 50%, respectively (p < 0.001). Children/adolescents who were older age quartile, resided in an urban residence, and with a concomitant diagnosis of anxiety were more likely to receive psychological services, while non-Hispanic Other were less likely to, compared with the reference of non-Hispanic White. We identified demographic disparities in the diagnosis of autism versus autism with concomitant anxiety, including age, sex, race/ethnicity, and residence location. Age quartile, urban location, and concomitant anxiety were associated with increased likelihood of receipt of psychological services.
Published Version
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