Table 3.

Parameter estimates of best fitting model for VABS.

Measure	Total score
Fixed effects
Intercept	50.47***
Time	−0.04
DD	1.41
TD	41.09***
VMA	0.65***
ADOS	0.18
SSP	0.05
Random effects
Level 1:
Within-person	71.79***
Level 2:
Intercept	33.65*
Slope	0.06**
Fit indices
−2 log-likelihood	1089.1
AIC	1111.1
BIC	1136.5

DD: developmental delay group; TD: typically developing group; VMA: verbal mental age; ADOS: autism diagnostic observation schedule; SSP: short sensory profile; AIC: Akaike’s information criteria; BIC: Bayesian information criteria.

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.