. Author manuscript; available in PMC: 2024 Feb 9.

Published in final edited form as: J Autism Dev Disord. 2017 Feb;47(2):472–479. doi: 10.1007/s10803-016-2972-5

Table 1.

Demographic characteristics and diagnostic scores for the complete sample of individuals with autism spectrum disorder and typically developing controls

	Autism spectrum disorder	Typically developing controls	Statistic (χ²/t), p value
	(n = 324)	(n = 438)
Sex (% male)	82.7	49.1	χ² = 90.75, p < .001
Age	12.04 (4.39)	13.72 (5.28)	t = 4.80, p < .001
FSIQ	106.45 (18.21)	113.09 (12.51)	t = 5.63, p < .001
Maternal education (% with some college or more)	75.9	66.6	χ² = 6.20, p = .01
SRS-2 SCI^a	73.86 (21.40)	19.48 (12.15)	t = 41.10, p < .001
SRS-2 RRB^a	17.02 (6.64)	2.15 (2.82)	t = 37.84, p < .001
ADI/-R RSI	18.56 (6.14)	–	–
ADI/-R Comm.	15.17 (4.64)	–	–
ADI/-R Rep. Beh.	5.57 (2.50)	–	–

FSIQ full scale intelligence quotient, SRS-2 Social Responsiveness Scale-Second Edition, SCI social communication index, RRB restricted repetitive behaviors, ADI/-R autism diagnostic interview/-revised, RSI reciprocal social interaction, Comm. communication (verbal), Rep. Beh. repetitive and stereotyped patterns of behavior

Raw/unstandardized scores