Participant characteristics | Toddler Module | Module 1 | Module 2 | Module 3 | Module 4 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ASD mean (SD) | Non-ASD mean (SD) | t | ASD mean (SD) | Non-ASD mean (SD) | t | ASD mean (SD) | Non-ASD mean (SD) | t | ASD mean (SD) | Non-ASD mean (SD) | t | ASD mean (SD) | Non-ASD mean (SD) | t | |
n | 96 | 193 | 564 | 78 | 388 | 186 | 233 | 178 | 192 | 50 | |||||
% Male (%) | 70.8 | 56.5 | 80.1 | 65.4 | 80.4 | 60.8 | 86.3 | 47.2 | 93.2 | 38.0 | |||||
Age (months) | 24.9 (4.4) | 21.6 (5.2) | − 5.4** | 52.5 (21.9) | 37.8 (19.5) | − 5.6** | 66.3 (30.2) | 43.8 (11.8) | − 9.8** | 116.5 (32.9) | 105.8 (33.8) | − 3.2** | 223.0 (53.8) | 205.6 (58.0) | − 2.0* |
FSIQ | NA | NA | NA | 60.4 (17.5) | 97.0 (28.6) | 3.4** | 72.1 (21.4) | 92.4 (18.8) | 5.6** | 89.2 (21.3) | 103.8 (18.0) | 6.8** | 97.5 (18.4) | 103.3 (21.1) | 1.8 |
ADOS-2 a | |||||||||||||||
SA | 7.9 (1.8) | 2.5 (1.6) | − 24.7** | 7.4 (1.7) | 2.6 (1.5) | − 25.2** | 7.6 (1.5) | 2.5 (1.6) | − 37.2** | 8.2 (1.4) | 2.9 (2.2) | − 28.1** | 7.7 (1.6) | 1.9 (1.7) | − 22.3** |
RRB | 4.9 (2.4) | 1.8 (1.6) | − 11.5** | 6.1 (2.2) | 1.9 (1.8) | − 15.4** | 5.7 (2.3) | 1.9 (1.6) | − 22.8** | 5.0 (3.0) | 1.2 (.7) | − 19.2** | 5.9 (1.9) | 1.3 (1.2) | − 21.4** |
Total | 7.0 (1.8) | 2.0 (1.3) | − 24.6** | 6.9 (1.6) | 2.0 (1.4) | − 24.6** | 7.0 (1.5) | 1.8 (1.1) | − 46.2** | 7.5 (1.7) | 2.1 (1.7) | − 32.0** | 7.3 (1.7) | 1.5 (1.1) | − 29.8** |
ADI-R | |||||||||||||||
SI | 15.1 (5.0) | 4.2 (3.2) | − 22.5** | 19.5 (6.2) | 5.8 (4.3) | − 19.2** | 18.2 (6.0) | 2.7 (2.7) | − 33.6** | 19.1 (6.5) | 2.9 (3.6) | − 29.6** | 20.1 (6.5) | 1.9 (2.9) | − 18.9** |
C | 6.2 (7.9) | 1.3 (1.7) | − 4.0** | 12.3 (5.1) | 3.7 (3.2) | − 10.9** | 14.8 (4.4) | 1.8 (1.9) | − 37.8** | 14.4 (5.2) | 2.0 (2.8) | − 28.3** | 15.2 (5.1) | 1.5 (2.4) | − 18.2** |
RRB | 3.5 (2.2) | .9 (1.1) | − 13.6** | 4.8 (2.2) | 1.3 (1.5) | − 13.8** | 5.8 (2.8) | .9 (1.3) | − 22.7** | 5.8 (2.7) | .5 (.9) | − 24.7** | 5.3 (2.6) | .6 (1.2) | − 12.5** |
K-CARS | 31.6 (3.5) | 17.5 (3.5) | − 27.7** | 34.5 (5.8) | 19.0 (3.3) | − 20.6** | 32.7 (5.0) | 17.3 (2.8) | − 33.3** | 31.7 (5.0) | 18.2 (3.4) | − 23.6** | 32.1 (4.0) | 17.1 (2.5) | − 12.1** |
SCQ | 15.2 (4.5) | 7.9 (5.3) | − 8.2** | 17.0 (6.5) | 6.0 (5.5) | − 9.7** | 13.7 (7.0) | 3.1 (3.6) | − 14.8** | 11.5 (7.3) | 3.4 (5.3) | − 11.6** | 12.9 (7.2) | 3.9 (4.4) | − 7.8** |
SRS | 64.5 (16.3) | 48.1 (8.1) | − 10.4** | 89.6 (30.5) | 46.0 (19.8) | − 10.9** | 82.8 (28.8) | 35.3 (19.4) | − 19.6** | 89.1 (30.3) | 24.8 (22.4) | − 22.6** | 93.7 (28.9) | 31.0 (33.8) | − 12.2** |