Table 3.
Group comparisons of genetic testing utilization rates
| Condition groups | OR (95% CI) | aORa (95% CI) |
|---|---|---|
| ASD groups | ||
| ASD + ID vs ASD only (ref) | 5.4 (3.0–9.7)* | 7.2 (3.8–13.4)* |
| ASD + DD vs ASD only (ref) | 2.7 (1.7–4.5)* | 2.8 (1.7–4.7)* |
| ASD + ID vs ASD + DD (ref) | 2.0 (1.2–3.3)* | 2.4 (1.4–4.0)* |
| ID groups | ||
| ASD + ID vs ID without ASD (ref) | 1.7 (1.0–3.1) | 2.1 (1.2–3.7)* |
| DD groups | ||
| ASD + DD vs DD only (ref) | 1.5 (1.0–2.1)* | 1.8 (1.2–2.8)* |
Notes:
a
Adjusted for age, sex, race, ethnicity, household income, and household education level.
*
Significance.
Abbreviations: OR, odds ratio; aOR, adjusted odds ratio; ASD, autism spectrum disorder; ID, intellectual disability; DD, developmental delay; ref, reference group.