Table 1.

Baseline characteristics

Characteristic	Mean	SD (range)
Age, in years (n = 385)	22.0	12.2 (4–67)

	n	%
Sex (n = 385)
Male	315	81.8
Female	70	18.2
Age groups, in years (n = 385)
0–11	67	17.4
12–17	122	31.7
≥ 18	196	50.9
Diagnoses (n = 385)
Childhood autism (F84.0)	163	42.3
Atypical autism (F84.1)	63	16.4
Asperger syndrome (F84.5)	152	39.5
Other (F84.8/.9)	7	1.8
Intellectual functioning (n = 340)
No learning disability/intellectual disability	213	62.6
Learning disability/intellectual disability	127	37.4
ADOS comparison score (n = 332)
Minimal to low (1–4)	59	17.8
Moderate (5–7)	152	45.8
High (8–10)	121	36.4
Level of education (adults; n = 189)
Low/medium	106	56.1
High	83	43.9
Highest parental level of education (children; n = 189)
Low/medium	78	41.3
High	111	58.7