Developmental Screening and Follow-up by Nurses.

Objective: The Ages and Stages Questionnaire (ASQ) and Modified Checklist for Autism in Toddlers (M-CHAT) are commonly used screening tools for developmental delay and autism, respectively. This study aimed to evaluate the effectiveness of implementing 18-month developmental and autism screening by mail, with a standardized follow-up process for abnormal screen results.

Methods: Within a prospective cohort study design, parents of 892 children received by mail the 18-month ASQ and M-CHAT questionnaires between December 2008 and September 2009.

Comparing the Clinical Utility of the Infant Developmental Inventory With the Ages and Stages Questionnaire at 9-Month Well-Child Visits.

Objective: The purpose of our study was to compare the clinical utility of administering 2 recommended developmental screening instruments, the Infant Developmental Inventory (IDI) and the Ages and Stages Questionnaire (ASQ), at 9-month well-child visits in paper format.

Methods: Outcomes of the 2 screens, including correct completion and interpretation by clinician, time of visit, and screen outcome were compared.

Results: Out of 33 children administered the ASQ and with documented scores, 12 (36.