Table 5.
Linear logistic regression testing for interaction between diagnoses and economic classes, controlling for IQ
| Communication | Socialization | Daily living | |
|---|---|---|---|
| Coef. (95% CI) | Coef. (95% CI) | Coef. (95% CI) | |
| HC + A/B | – | – | – |
| HC + C/D | 17.78 (.38 to 35.17) | −1.05 (−19.71 to 17.60) | 21.49 (3.26 to 39.73) |
| WBS + A/B | −17.34 (−38.70 to 4.01) | −7.84 (−30.75 to 15.06) | −16.00 (−38.40 to 6.38) |
| WBS + C/D | −31.80 (−52.04 to −11.57)* | −14.72 (−36.42 to 6.97) | −20.39 (−41.61 to .81) |
| DS + A/B | −38.39 (−59.58 to −17.19)* | −16.05 (−38.78 to 6.68) | −30.37 (−52.59 to −8.15)* |
| DS + C/D | −35.79 (−57.56 to −14.01)* | −21.59 (−44.95 to 1.76) | −23.78 (−46.61 to −.95) |
| ASD + A/B | −20.15 (−35.35 to −4.95) | −31.74 (−48.04 to −15.44)** | −19.89 (−35.83 to −3.96) |
| ASD + C/D | −29.04 (−46.89 to −11.20)* | −42.52 (−61.66 to −23.38)** | −24.61 (−43.32 to −5.90) |
HC healthy controls, WBS Williams–Beuren syndrome, DS Down syndrome, ASD autism spectrum disorder, A/B A and B economic classes, C/D C and D economic classes
* p < .05; ** p < .01