Assessing the Attainment Rates of Updated CDC Milestones Using a New Israeli Developmental Scale

Yair Sadaka, Tamar Sudry, Deena R. Zimmerman, Meytal Avgil Tsadok, Ravit Baruch, Hadar Yardeni, Dror Ben Moshe, Pinchas Akiva, Guy Amit

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

OBJECTIVES: Developmentalmilestones norms arewidely usedworldwide and are fundamental for early childhood developmental surveillance.We compared a new Israeli evidence-based national developmental scalewith the recently updated Centers for Disease Control and Prevention (CDC) checklists. METHODS: We used a cohort of nearly 4.5million developmental assessments of 758 300 full-term born children aged 0 to 6 years (ALL-FT cohort),who visitedmaternal child health clinics in Israel for routine developmental surveillance.Among the assessedmilestones of 4 developmental domains (grossmotor, finemotor, language, and personal-social)we identifiedmilestones that had equivalents on the CDC checklists and assessed the attainment rates of the Israeli children at the ages recommended by the CDC, atwhich$75% of the childrenwould be expected to achieve the milestone. The analysiswas repeated on a subgroup of 658 958 childrenwhowere considered healthy, typically developing by their birth and growth characteristics (NORMAL-FT cohort). RESULTS: There were 29 milestones, across all developmental domains and assessment ages, whose definitions by both tools were compatible, and could be compared. The attainment rate at the CDC-recommended age was >90% for 22 (76%) and 23 (79%) milestones, and the median attainment rates were 95.2% and 96.3% in the ALL-FT and NORMAL-FT cohorts, respectively. CONCLUSIONS: For almost all comparable milestones of all domains and all ages, children of the Israeli cohorts achieved the milestones earlier than expected by the CDC-defined threshold age. Evidence-based analysis of milestone norms among different populations may enable adjustments of developmental scales and facilitate more personalized developmental surveillance.

Original languageEnglish
Article numbere2022057499
JournalPediatrics
Volume150
Issue number6
DOIs
StatePublished - 1 Dec 2022

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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