TABLE 2.

Percentage Change in Autism Prevalence Within Selected Cohorts (From USDE Data) Focusing on the Vicinity of the 11- to 12-Year Age Interval

Birth-Year CohortAge Interval, y
9–1010–1111–1212–1313–14
19907.013.22.58.6NA
19899.77.71.112.22.9
19888.113.5−6.912.311.8
19879.412.9−2.32.013.2
19864.714.2−0.67.81.0
198513.48.2−0.98.74.7
19847.215.7−3.25.38.9
1983N/A16.73.10.58.4
  • NA indicates not available.