On this page: About the National Data | Methodology | History
About the National Data
Data
Baseline: 31.1 percent of children aged 9 through 35 months were screened for autism spectrum disorder (ASD) and other developmental delays in the past 12 months, as reported in 2016-17
Target: 35.8 percent
Methodology
Questions used to obtain the national baseline data
From the 2016 through 2017 National Survey of Children's Health:
Numerator:
DURING THE PAST 12 MONTHS, did a doctor or other health care provider have you or another caregiver fill out a questionnaire about specific concerns or observations you may have about (fill with SC_NAME)'s development, communication, or social behaviors?Sometimes a child's doctor or other health care provider will ask a parent to do this at home or during a child's visit.
- Yes
- No
If yes, and this child is 9-23 months:
Did this questionnaire ask about your concerns or observations about: Mark ALL that apply.- How this child talks or makes speech sounds?
- How this child interacts with you and others?
If yes, and this child is 2-5 years:
Did the questionnaire ask about your concerns or observations about: Mark ALL that apply.- Words and phrases this child uses and understands?
- How this child behaves and gets along with you and others?
Methodology notes
Autism spectrum disorder (ASD) is defined as a constellation of behaviors indicating social, communicative, and behavioral impairment or abnormalities. The essential features of ASD are (a) impaired reciprocal social interactions, (b) delayed or unusual communication styles, and (c) restricted or repetitive behavior patterns.
History
1. Effect size h=0.1 was chosen to correspond with 10% improvement from a baseline of 50%.