TABLE 1. Prevalence* of autism spectrum disorder among children aged 4 years — Autism and Developmental Disabilities Monitoring Network, seven sites, United States, 2010, 2012, and 2014.
| Year, record source, and site | No. with ASD | Total population | Prevalence (95% CI) |
|---|---|---|---|
|
2010
| |||
| Health care
and education | |||
| Arizona† |
123 |
9,265 |
13.3 (11.0–15.8) |
| New
Jersey§,¶ |
352 |
17,860 |
19.7 (17.7–21.9) |
| Utah¶,** |
132 |
10,944 |
12.1 (10.1–14.3) |
| Total |
607
|
38,069
|
15.9
(14.7–17.3)
|
| Health care
only | |||
| Missouri†† |
103 |
12,095 |
8.5 (7.0–10.3) |
| Wisconsin§§ |
73 |
8,303 |
8.8 (6.9–11.1) |
| Total |
176
|
20,398
|
8.6
(7.4–10.0)
|
|
Combined
total
|
783
|
58,467
|
13.4
(12.5–14.4)
|
|
2012
| |||
| Health care
and education | |||
| Arizona |
128 |
9,621 |
13.3 (11.1–15.8) |
| New
Jersey¶ |
403 |
18,223 |
22.1 (20.0–24.4) |
| Utah¶ |
152 |
11,398 |
13.3 (11.3–15.6) |
| Total |
683
|
39,242
|
17.4
(16.1–18.8)
|
| Health care
only | |||
| Missouri |
96 |
11,878 |
8.1 (6.5–9.9) |
| Wisconsin |
128 |
8,336 |
15.4 (12.8–18.3) |
| Total |
224
|
20,214
|
11.1
(9.7–12.6)
|
|
Combined
total
|
907
|
59,456
|
15.3
(14.3–16.3)
|
|
2014
| |||
| Health care
and education | |||
| Arizona |
130 |
9,624 |
13.5 (11.3–16.0) |
| Colorado¶¶ |
113 |
8,438 |
13.4 (11.0–16.1) |
| New
Jersey¶ |
514 |
18,112 |
28.4 (26.0–30.9) |
| North
Carolina¶,*** |
231 |
14,893 |
15.5 (13.6–17.6) |
| Total |
988
|
51,067
|
19.3
(18.2–20.6)
|
| Health care
only |
|
|
|
| Missouri |
112 |
11,613 |
9.6 (7.9–11.6) |
| Wisconsin¶ |
108 |
8,207 |
13.2 (10.8–15.9) |
| Total |
220
|
19,820
|
11.1
(9.7–12.7)
|
| Combined total | 1,208 | 70,887 | 17.0 (16.1–18.0) |
Abbreviations: ASD = autism spectrum disorder; CI = confidence interval.
* Prevalence per 1,000 children aged 4 years living in the surveillance areas according to the 2010 decennial bridged-race population estimates (US Census Bureau. Census summary file 1: Tables PCT12H–PCT12O. Washington, DC: US Census Bureau; 2010), the vintage 2014 postcensal bridged-race population estimates for 2012 (http://www.cdc.gov/nchs), and the vintage 2016 postcensal bridged-race population estimates for 2014 (http://www.cdc.gov/nchs).
† Part of one county in metropolitan Phoenix for 2010, 2012, and 2014.
§ Essex and Union counties for 2010, 2012, and 2014.
¶ Site also reviewed records from early intervention sources.
** Tooele County, part of Salt Lake County, for 2010 and 2012 only.
†† One county in metropolitan St. Louis for 2010, 2012, and 2014.
§§ Dane and Rock counties for 2010, 2012, and 2014.
¶¶ One county in metropolitan Denver for 2014 only.
*** Alamance, Chatham, Guilford, Orange, and Forsyth counties for 2014 only.