Dev Med Child Neurol
August 2024
Aim: To examine the Modified Checklist for Autism in Toddlers, Revised, with Follow-Up (M-CHAT-R/F), with follow-up screening and diagnostic outcomes for children born preterm. A secondary aim was to examine diagnostic evaluation attendance after screening to inform clinical practice.
Method: Using a cross-sectional design, 9725 toddlers (4951 males; 4774 females) whose gestational age was reported were screened at 15-month, 18-month, or 24-month well-child visits; screen-positive children were invited for an autism evaluation.
Objective: To evaluate timing and accuracy of early and repeated screening for autism spectrum disorder (ASD) during well-child visits.
Study Design: Using a longitudinal study design, toddlers (n = 5784) were initially screened at 12 (n = 1504), 15 (n = 1228), or 18 (n = 3052) months during well-child visits, and rescreened at 18, 24, and 36 months. Of those screened, 368 toddlers attended an ASD evaluation after a positive screen and/or a provider concern for ASD at any visit.
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