TABLE 2. Estimated prevalence* of autism spectrum disorder among children aged 8 years, by sex — Autism and Developmental Disabilities Monitoring Network, 11 sites, United States, 2014.
| Site | Total population | Total no. with ASD | Sex | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Overall† | Males | Females | Male-to-female prevalence ratio§ | ||||||
| Prevalence | 95% CI | Prevalence | 95% CI | Prevalence | 95% CI | ||||
| Arizona | 24,952 | 349 | 14.0 | (12.6–15.5) | 21.1 | (18.7–23.8) | 6.6 | (5.3–8.2) | 3.2 |
| Arkansas | 39,992 | 522 | 13.1 | (12.0–14.2) | 20.5 | (18.6–22.5) | 5.4 | (4.5–6.5) | 3.8 |
| Colorado | 41,128 | 572 | 13.9 | (12.8–15.1) | 21.8 | (19.9–23.9) | 5.5 | (4.6–6.7) | 3.9 |
| Georgia | 51,161 | 869 | 17.0 | (15.9–18.2) | 27.9 | (25.9–30.0) | 5.7 | (4.8–6.7) | 4.9 |
| Maryland | 9,955 | 199 | 20.0 | (17.4–23.0) | 32.7 | (28.1–38.2) | 7.2 | (5.2–10.0) | 4.5 |
| Minnesota | 9,767 | 234 | 24.0 | (21.1–27.2) | 39.0 | (33.8–44.9) | 8.5 | (6.3–11.6) | 4.6 |
| Missouri | 25,333 | 356 | 14.1 | (12.7–15.6) | 22.2 | (19.8–25.0) | 5.6 | (4.4–7.0) | 4.0 |
| New Jersey | 32,935 | 964 | 29.3 | (27.5–31.2) | 45.5 | (42.4–48.9) | 12.3 | (10.7–14.1) | 3.7 |
| North Carolina | 30,283 | 527 | 17.4 | (16.0–19.0) | 28.0 | (25.5–30.8) | 6.5 | (5.3–7.9) | 4.3 |
| Tennessee | 24,940 | 387 | 15.5 | (14.0–17.1) | 25.3 | (22.6–28.2) | 5.4 | (4.2–6.9) | 4.7 |
| Wisconsin | 35,037 | 494 | 14.1 | (12.9–15.4) | 21.4 | (19.4–23.7) | 6.4 | (5.3–7.7) | 3.4 |
| All sites combined | 325,483 | 5,473 | 16.8 | (16.4–17.3) | 26.6 | (25.8–27.4) | 6.6 | (6.2–7.0) | 4.0 |
Abbreviations: ASD = autism spectrum disorder; CI = confidence interval.
* Per 1,000 children aged 8 years.
† All children are included in the total regardless of race or ethnicity.
§ All sites identified significantly higher prevalence among males compared with females (p<0.01).