Table 4.

Multivariate logistic regression models comparing adaptive behavior between groups adjusting for demographics and IQ

Groups	Coef. (95% CI)
WBS vs. DS
Socialization	4.25 (−10.97 to 19.47)
Communication	−10.61 (−20.94 to −.28)*
Daily living	−.37 (−10.22 to 9.44)
Total VABS	−2.98 (−11.32 to 5.35)
Socialization	4.25 (−10.97 to 19.47)
WBS vs. ASD
Socialization	−8.92 (−15.84 to −1.99)*
Communication	−1.14 (−6.72 to 4.44)
Daily living	1.80 (−4.39 to 8.01)
Total VABS	−1.83 (−6.72 to 3.04)
DS vs. ASD
Socialization	−16.97 (−31.61 to −2.33)*
Communication	7.48 (−2.97 to 17.94)
Daily living	2.83 (−11.13 to 16.80)
Total VABS	−.19 (−10.70 to 10.30)

Socialization, communication, daily living skills of Vineland scale; total of Vineland scale (total VABS); demographics (gender, age, and economic class); intelligence quotient (IQ)

Coef. confidence interval, WBS Williams–Beuren syndrome, DS Down syndrome, ASD autism spectrum disorder

* p < .05