Question What are the latest national estimates of standardized developmental screening and surveillance, as well as individual and state variation, that may identify opportunities for improvement?
Findings In this cross-sectional analysis of the 2016 National Survey of Children’s Health, an estimated 30.4% of children 9 through 35 months of age received a parent-completed developmental screening and 37.1% received developmental surveillance from a health care professional in the past year. State-level differences far exceeded those by child and family characteristics, spanning 40 percentage points for screening (17.2% in Mississippi and 58.8% in Oregon) and surveillance (19.1% in Mississippi and 60.8% in Oregon).
Both screening and surveillance varied substantially across states by more than 40 percentage points (Figure 1 and Figure 2). The prevalence of screening ranged from 17.2% in Mississippi to 58.8% in Oregon, corresponding to a rate ratio of 3.4. Similarly, developmental surveillance ranged from 19.1% in Mississippi to 60.8% in Oregon, corresponding to a rate ratio of 3.2. States with significantly lower rates of developmental screening than the nation overall included Kentucky (17.5%), New York (17.5%), and Florida (20.4%), while states with rates significantly exceeding the national rate included Oregon (58.8%), Colorado (50.2%), Minnesota (50.1%), North Carolina (47.6%), Alaska (46.8%), Montana (46.3%), Massachusetts (46.3%), and Maryland (43.0%).
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