Table 3.

Mean (SD) T Scores and Area Under the Curve (AUC) Scores for ASD Screening Scales

Preschool CBCL/1.5–5	ASD (n = 104)	Non-ASD (n = 57)	AUC	95% CI	SE
Withdrawn	68.9 (10.9)	62.0 (10.3)	0.69***	0.61–0.78	0.04
PDP	71.0 (11.3)	64.0 (11.3)	0.68***	0.59–0.76	0.05
School-age CBCL/6–18	ASD (n = 122)	Non-ASD (n = 106)	AUC	95% CI	SE
Withdrawn/depressed	64.7 (8.5)	59.8 (8.4)	0.67***	0.60–0.74	0.04
Thought problems	68.7 (9.5)	62.9 (10.0)	0.67***	0.60–0.74	0.04
Social problems	66.6 (9.4)	63.9 (9.4)	0.59*	0.51–0.66	0.04
WTP scale	133.5 (13.9)	122.7 (15.8)	0.70***	0.63–0.77	0.04

Note. ASD = autism spectrum disorder, CBCL = Child behavior checklist, PDP = pervasive developmental problems, WTP = Withdrawn-Thought Problems (aggregated T scores), CI = confidence interval, SE = standard error.

^*P <0.05;

^**P <0.01;

^***P <0.001.