Table 4. Characteristics of children who met autism spectrum disorder (ASD) surveillance status based only on the Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition-Text Revision (DSM-IV-TR) criteria versus only on Fifth Edition (DSM-5) criteria when sample weights were applied.
| Characteristic | Met Only DSM-IV-TR Surveillance Status N = 62 Weighted % |
Met Only DSM-5 Surveillance Status N = 91 Weighted % |
P value for χ2 |
|---|---|---|---|
| Age at first health or education evaluation identified | < .01 | ||
| Older than three years | 67.7 | 97.8 | |
| Three years or younger | 32.3 | 2.2 | |
| Autism classroom in public school | .03 | ||
| No | 79.0 | 63.7 | |
| Yes | 21.0 | 36.3 | |
| Delays before three years of age | < .01 | ||
| No | 19.4 | 61.5 | |
| Yes | 80.6 | 38.5 | |
| Documented ASD diagnosis | .01 | ||
| No | 80.6 | 62.6 | |
| Yes | 19.4 | 37.4 | |
| Intellectual disability (IQ ≤ 70) | .94 | ||
| No | 48.4 | 47.8 | |
| Yes | 25.8 | 16.7 | |
| Unknown | 25.8 | 35.6 | |
| Race/ethnicity | .66 | ||
| White | 37.1 | 33.7 | |
| Non-white | 41.9 | 49.4 | |
| Hispanic | 21.0 | 16.9 | |
| Sex | .42 | ||
| Boy | 83.9 | 81.3 | |
| Girl | 16.1 | 18.7 |