Typical versus delayed speech onset influences verbal reporting of autistic interests

Table 1 Characteristics of the AS-NoSOD, AS-SOD, and control groups

	AS-NoSOD	AS-SOD	Controls	AS-NoSOD/AS-SOD	AS-NoSOD/controls	AS-SOD/controls
	AS-NoSOD	AS-SOD	Controls	p values	p values	p values
Sample size (sex ratio)	20 (9 males, 11 females)	20 (16 males, 4 females)	20 (12 males, 8 females)	0.02	0.34	0.17
Age (SD)	29.65 (8.18)	26.3 (6.43)	27.25 (6.57)	0.3	0.29	0.67
Raven’s Progressive Matrices Raw scores (SD)	50.9 (8.14)	48.65 (8.04)	50.5 (7.06)	0.63	0.87	0.45
FSIQ (SD)^a	119.25 (14.06)	88.5 (21.34)	111.9 (18.7)	<.001*	0.29	<.01*
VIQ (SD)^a	129.06 (10.95)	92.75 (14.7)	114.36 (16.13)	<.001*	<.01*	<.001*
PIQ (SD)^a	109 (15.93)	100.12 (24.97)	111.63 (20.12)	0.27	0.74	0.32
EVIP (SD)	127.1 (3.94)	111.75 (11.42)	122.9 (5.03)	<0.001*	0.08	<001*
ADI-R score:
Social (SD)	20.15 (10)	21.35 (10)	1.15 (10)	0.38	<0.001*	<0.001*
Communic. (SD)	19.35 (8)	23.15 (8)	0.08 (8)	0.09	<0.001*	<0.001*
Interests (SD)	7.6 (3)	10.2 (3)	2.2 (3)	0.09	<0.01*	<0.001*
Age at first 2-word production (SD)	1.8 (0.44)	4.5 (1.75)	2 (0.39)	<0.001*	0.55	<0.001*
Level of education
Post-secondary level	17	5	10	< 0.001*	0.01*	0.08
Secondary level	3	12	10	0.009*	0.02*	0.49
Special needs school	0	3	0	0.02*	1	0.07

SD standard deviation, FSIQ full-scale IQ (WAIS-IV), VIQ verbal IQ, PIQ performance IQ. ^aThis measure could be obtained for only a subset of participants (17 AS-NoSOD participants; 16 AS-SOD participants; 11 non-autistic control participants)
EVIP échelle de vocabulaire en image Peabody
*p < 0.05 for pairwise t test corrected for multiple comparisons, for all variables, except for level of education and gender ratio where χ² tests were used

ISSN: 2040-2392