The EU-AIMS Longitudinal European Autism Project (LEAP): clinical characterisation

Table 8 Summary of psychiatric symptom measures by schedule and group

	Total		Adults		Adolescents		Children		Mild ID
	ASD	TD/ID	ASD	TD	ASD	TD	ASD	TD	ASD	ID
Psychiatric symptom measures
ADHD—inattentiveness	4.55^a (3.15) n = 350	1.29^a (2.34) n = 153	3.18^a (3.19) n = 94	0.88^b (1.67) n = 84	4.82^a (3.19) n = 106	0.88^a (1.79) n = 75	5.20^a (2.98) n = 88	0.67^a (1.60) n = 54	5.21^a (2.67) n = 62	5.17^a (2.85) n = 18
ADHD—hyperactivity/impulsivity	2.83^a (2.86) n = 350	0.56^a (1.59) n = 153	1.22^a (1.72) n = 94	0.55^b (1.32) n = 84	2.70^a (2.78) n = 106	0.19^a (0.82) n = 75	4.41^a (2.93) n = 88	0.35^a (1.15) n = 54	3.27^a (2.99) n = 62	2.94^a (2.94) n = 18
Anxiety	–	–	15.05^bc (12.76) n = 104	4.41^bc (5.19) n = 85	49.92^bd (10.63) n = 65	44.42^bd (7.55) n = 65	47.81^ad (8.96) n = 83	38.33^ad (5.18) n = 51	49.17^ad (9.45) n = 29	45.40^ad (12.45) n = 10
Depression	–	–	14.11^bc (12.41) n = 103	3.88^bc (4.93) n = 85	51.48^bd (10.55) n = 66	45.56^bd (8.05) n = 66	49.98^ad (10.22) n = 86	39.29^ad (4.71) n = 56	53.17^ad (10.07) n = 29	50.20^ad (18.01) n = 10

ns are lower for some measures due to missing data
ADHD—inattentiveness (ADHD rating scale—inattentiveness subscale), ADHD—hyperactivity/impulsivity (ADHD rating scale—hyperactivity/impulsivity subscale), Anxiety Beck Anxiety Inventory, Depression (Beck Depression Inventory–Second Edition)
^aParent-report
^bSelf-report
^cRaw scores
^dStandardised scores

ISSN: 2040-2392