Table 1.

Demographic and clinical characteristics of participants randomized to receive oxytocin or placebo.

	Oxytocin	Placebo	t Value	p
	N = 21	N = 17
Age	24.76 ± 4.85	24.06 ± 5.54	0.42	0.68
Handedness	16R/5L	15R/2L
IQ
Total IQ	101.76 ± 12.52	107.29 ± 18.91	−1.08	0.29
VIQ	105.57 ± 9.27	111.35 ± 12.99	−1.60	0.12
PIQ	104.76 ± 18.35	104.41 ± 21.88	0.05	0.96
ADOS
Total	7.19 ± 4.312	7.59 ± 3.89	−0.29	0.77
Communication	2.14 ± 1.35	2.24 ± 1.44	−0.20	0.84
Social interaction	5.05 ± 3.41	5.35 ± 3.14	−0.28	0.78
RRB	1.19 ± 1.29	1.06 ± 0.9	0.36	0.72
			Pearson chi square
Use of psychostimulant medicationa	5	2	0.91	0.34
Comorbiditya	7	2	2.42	0.12

Mean ± standard deviation. R right, L left, IQ intelligence quotient, VIQ verbal IQ, PIQ performance IQ, ADOS autism diagnostic observation schedule, RRB restricted and repetitive behavior.

^aDetailed information on medication use and comorbidities is provided in Supplementary Table 1.