Repetitive and restricted behaviors and interests in autism spectrum disorder: relation to individual characteristics and mental health problems

Table 6 RBS-R Severity across Age Groups

RBS-R Factors	F	df1	df2	p	η²	Games-Howell Post Hoc
R/S	11.19*	2	2740	< 0.001	0.01	M > E
SIB	1.13	2	2740	0.32	0.00	-
STER	33.63*	2	2730	< 0.001	0.02	E, M > A
COMP	0.55	2	2746	0.58	0.00	-
REST	5.24	2	2750	0.01	0.00	-

Note. R/S = Ritualistic/Sameness; SIB = Self-Injurious; STER = Stereotypy; COMP = Compulsive; REST = Restricted Interests. E = Early Childhood; M = Middle Childhood; A = Adolescence.
* p < .001

ISSN: 1471-244X