Table 4:
Comparison of total scores and sub-scores for children with ASD and community-matched controls without ASD during phase III
Variables | Non-ASD | ASD | P-values1 |
---|---|---|---|
Total scores | (n=49) | (n=49) | |
Raw scores, mean ± SD (min, max) | 30.4 ± 14.0 (10, 85) | 86.8 ± 20.9 (28, 132) | <0.0001 |
T scores, mean ± SD (min, max) | 48.6 ± 5.2 (41, 67) | 70.3 ± 8.8 (45, 89) | <0.0001 |
Correlation with age (P-value) | −0.22 (0.121) | 0.39 (0.006) | 0.002 |
Cronbach alpha | 0.89 | 0.90 | |
Sub-domains | |||
Social awareness | |||
Raw scores, mean ± SD (min, max) | 5.4 ± 2.4 (0, 14) | 11.0 ± 2.9 (4, 16) | <0.0001 |
T scores, mean ± SD (min, max) | 48.6 ± 7.8 (32, 76) | 64.7 ± 10.4 (40, 82) | <0.0001 |
Correlation with age (P-value) | 0.11 (0.444) | 0.43 (0.002) | 0.088 |
Cronbach alpha | 0.45 | 0.52 | |
Social cognition | |||
Raw scores, mean ± SD (min, max) | 7.1 ± 3.6 (1, 16) | 15.9 ± 4.1 (6, 23) | <0.0001 |
T scores, mean ± SD (min, max) | 51.1 ± 6.1 (40, 63) | 66.5 ± 6.8 (50, 81) | <0.0001 |
Correlation with age (P-value) | −0.42 (0.003) | 0.01 (0.945) | 0.026 |
Cronbach alpha | 0.61 | 0.64 | |
Social communication | |||
Raw scores, mean ± SD (min, max) | 8.3 ± 5.8 (0, 36) | 29.8 ± 8.9 (8, 49) | <0.0001 |
T scores, mean ± SD (min, max) | 47.2 ± 5.9 (38, 74) | 70.1 ± 10.1 (44, 90) | <0.0001 |
Correlation with age (P-value) | −0.14 (0.352) | 0.42 (0.003) | 0.005 |
Cronbach alpha | 0.82 | 0.81 | |
Social motivation | |||
Raw scores, mean ± SD (min, max) | 6.8 ± 3.6 (1, 19) | 15.6 ± 4.5 (3, 24) | <0.0001 |
T scores, mean ± SD (min, max) | 51.7 ± 7.0 (40, 74) | 69.4 ± 9.6 (43, 87) | <0.0001 |
Correlation with age (P-value) | −0.21 (0.138) | 0.21 (0.152) | 0.036 |
Cronbach alpha | 0.63 | 0.59 | |
Autistic mannerisms | |||
Raw scores, mean ± SD (min, max) | 2.9 ± 2.2 (0, 9) | 14.4 ± 5.5 (3, 26) | <0.0001 |
T scores, mean ± SD (min, max) | 46.6 ± 4.2 (41, 60) | 67.8 ± 10.4 (46, 90) | <0.0001 |
Correlation with age (P-value) | −0.16 (0.261) | 0.381 (0.007) | 0.006 |
Cronbach alpha | 0.42 | 0.68 |
P-value to test difference between children with and without ASD
ADS: Autism spectrum disorder; SD: Standard deviation.