Stability of the ADI-R
27
|
T1 Variable |
Above cut off FU (N=28) ______________________Median1/Range |
Below cut off FU(N=7) Median1/Range |
U |
P | |
|
IQ |
56.3 |
97.9 |
64.5 |
.17 | |
|
MA2 (months) |
20.5 |
46.0 16.0-51.0 |
59.5 |
.11 | |
|
Receptive language3 |
Raw Score |
0.0 |
17.0 |
66.5 |
.14 |
|
Expressive language4 |
Raw Score |
0.0 |
7.0 |
58.0 |
.04 |
|
VABS ABC5 |
Age Equivalence |
17.0 |
24.00 |
33.5 |
.01 |
|
Standard Score |
56.00 (50.0-68.00) |
63.0 |
37.0 |
.01 | |
|
VABS Communication |
Age Equivalence |
13.0 |
18.0 (14.0-28.0) |
35.5 |
.01 |
|
Standard Score |
56.0 |
61.0 |
44.5 |
.03 | |
|
VABS daily living skills |
Age Equivalence |
18.0 |
26.0 |
36.5 |
.01 |
|
Standard Score |
61.0 |
68.0 |
49.5 |
.05 | |
|
VABS socialisation. |
Age Equivalence |
12.0 |
16.0 |
41.0 |
.02 |
|
Standard Score |
57.0 |
61.0 |
47.0 |
.04 | |
|
ADI-R total score6 |
38.0 (26.0-46,0) |
36.0 |
57.5 |
.09 | |
1 Median values are reported due to small and uneven N across the two groups; 2 For details of IQ assessments see measures section; 3
British Picture Vocabulary Scales (Dunn et al., 1997); 4 Expressive One Word Picture Vocabulary Test (Gardener, 1990; Brownell, 2000);
5 Vineland Adaptive Behavior Scales - Survey Form (Sparrow, Balla & Chicchetti, 1984); 6 ADI-Rtotal score = RSI + NVC + RBSP.
Only NVC score was used in order to include both verbal and nonverbal participants.
Table 3: Domain and total scores on the ADI-R at T1 and FU (N= 35)
ADI-R Domain
T1
FU
NT p
Mean (SD) Range
Mean (SD) Range