Table 1. Characteristics of the participants (n=60)
|
Characteristics
|
ASD (n=20)
|
DD (n=20)
|
TD (n=20)
|
F-values; p-value
|
|
Gender
(boy/girl), n
|
17/3
|
15/5
|
12/8
|
0.198
|
|
Chronological
age, months
|
67.3±16.3
|
71.2±11.5
|
58.9±10.2
|
F(2,57)=4.77*; 0.012a
|
|
Childhood
Autism Rating Scale
|
33.6±2.9
|
20.7±2.3
|
15.9±1.5
|
F(2,57)=320.35**; 0.000b
|
|
Receptive
and Expressive Vocabulary Test-second edition
|
|
|
|
|
|
Receptive
scale
|
82.1±18.2
|
81.5±17.3
|
80.3±16.8
|
F(2,57)=0.06; 0.947
|
|
Expressive
scale
|
74.5±24.3
|
74.8±22.2
|
78.4±21.4
|
F(2,57)=0.18; 0.838
|
|
Overall
scale
|
156.6±40.9
|
156.3±38.3
|
157.2±38.8
|
F(2,57)=0.00; 0.997
|
Note: Values are mean ± standard deviation (SD) or
as otherwise indicated.
*p<.05;** p<.001
aASD<DD, p=.637; TD<DD, p=.014*; TD<ASD, p=.127;
bTD<DD<ASD, p=.000**