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Exploring social network factors impacting the implementation of communication supports designed for minimally verbal autistic preschool children: a study protocol
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Exploring social network factors impacting the implementation of communication supports designed for minimally verbal autistic preschool children: a study protocol

Sarah Dufek, Aubyn C Stahmer, Giacomo Vivanti and Elizabeth McGhee Hassrick
BMC pediatrics, v 26(1), 93
26 Dec 2025
DOI: https://doi.org/10.1186/s12887-025-06439-1
PMID: 41454265
url
https://doi.org/10.1186/s12887-025-06439-1View
Published, Version of Record (VoR)CC BY V4.0,  Open

Abstract

Social network analysis Alternative and augmentative communication (AAC) strategies Implementation science Caregiver collaboration Childhood intervention Egocentric networks Autism
Background: Small sample sizes have constrained the examination of dementia subtypes in Autism Spectrum Disorder (ASD) compared to other groups. Data from Medicaid and Medicare, which enroll tens of millions of Americans, can address this limitation and support identification of system-level improvements to address needs of those with ASD and co-occurring dementia. This study sought to examine dementia subtypes among autistic individuals compared to other groups. Method: Individually-linked national Medicare and Medicaid data from 2014–2016 included individuals age 30 and older with dementia from mutually exclusive groups with ASD (2,229 with no intellectual disability (ID), 4,263 with ID), 52,198 with ID, 1,199 with Down Syndrome (DS), and a random sample of 237,009 individuals without these diagnoses (RS). The validated Bynum algorithm was organized into the subtypes shown in Table 1. The last observed dementia diagnosis was used for dementia subtype. Following preliminary analyses showing similar data for those with ASD with and without ID, a single ASD category (ASD only and ASD+ID) was used. Result: Unspecified dementia represented the largest proportion of cases for all groups (50.0% for ASD, 56.3% for ID, 42.1% for DS, and 54.3% for RS). The ASD group had the lowest proportion of Alzheimer’s disease cases (11.7%), compared to ID (14.2%), DS (32.2%), and RS (22%). Senile dementia represented a larger proportion of ASD dementia cases (11.5%) than the other categories combined (ID=1.5%, DS=0%, RS=0.1%). The relative proportion of other dementia subtypes did not differ substantially between ASD versus ID.

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