Effectiveness of a modified group cognitive behavioral therapy program for anxiety in children with ASD delivered in a community context

Table 4 Pre- and post-treatment performance on behavioral measures (combined sample)

Measures	Pre-treatment mean (SD)	Post-treatment mean (SD)	T (df)	P^a	Effect size^b
Parent report
SCARED	33.28 (11.21)	26.00 (10.45)	8.00 (97)	< .001	.67
SCAS	35.23 (13.35)	28.68 (11.71)	6.10 (99)	< .001	.52
BASC-2 (T scores)
Externalizing	59.13 (12.04)	56.19 (11.01)	3.98 (85)	< .001	.24
Internalizing	65.36 (12.23)	59.26 (11.63)	6.20 (87)	< .001	.51
BSI	70.31 (10.19)	66.13 (10.03)	5.98 (87)	< .001	.41
Parent questionnaire
Effective	3.59 (1.19)	5.02 (1.33)	-8.82 (92)	< .001	− 1.14
Avoidance	2.79 (1.24)	2.20 (1.20)	3.98 (89)	< .001	.48
Interference	5.13 (1.46)	4.28 (1.45)	5.71 (92)	< .001	.59
Family impact	5.27 (1.81)	4.28 (1.91)	4.66 (92)	< .001	.53
Child report
SCARED	24.84 (12.18)	20.17 (13.35)	4.42 (96)	< .001	.36
SCAS	29.83 (13.56)	24.52 (15.17)	3.77 (102)	< .001	.37
Child questionnaire
Amount of worry	3.60 (2.06)	3.49 (1.89)	.55 (97)	.58	.05
Interference/distress	3.56 (2.45)	3.29 (2.13)	1.19 (97)	.24	.12

Note. SCARED Screen for Child Anxiety Related Emotional Disorders, total score, SCAS Spence Children’s Anxiety Scale, total score, BASC-2 Behavior Assessment System for Children, Second Edition
^aSignificance based on corrected p values
^bEffect size used modified Cohen’s D to correct for correlation between dependent variables [d = t(2(1-r)/n)^1/2] [48]

ISSN: 2040-2392