Table 5.

Models of Wake After Sleep Onset (WASO) Predicting Behavioral Outcomes (n = 41)

	Repetitive Behavior		Negative Affect		Aggression		Self-Injury		General Behavior
	Effect	s.e.	Effect	s.e.	Effect	s.e.	Effect	s.e.	Effect	s.e.
Fixed Effects
child level characteristics
Age	.06*	.02	−.01	.01	−.00	.00	.00	.00	.03*	.02
Level of functioning=1	−.42***	.09	−.06	.04	−.01	.01	−.02	.01	−.43***	.06
Level = 2	−.30**	.10	−.10**	.03	−.02	.01	−.03*	.01	−.36***	.07
Level = 3	0		0		0		0		0
WASO within	.04	.20	−.02	.07	.02	.03	.40*	.02	−.02	.10
WASO between	.04	.08	.31*	.02	−.02	.07	−.06	.04	.42	.24
Intercept	.28	.18	.16*	.07	.04	.02	.06	.04	.55***	.15
AIC	−115.81		−248.61		−571.08		−591.19		−99.44
BIC	−100.43		−233.23		−555.70		−581.89		−84.06
−2LL	−126.17		−258.97		−581.44		−597.33		−109.80
ICC within	21.33%		56.25%		50%		100%		32.1%
ICC between	78.66%		43.75%		50%		0%		67.9%

Note. Level 3 is set to zero because it serves as a reference group; CBC = challenging behavior composite

^*p < .05

^**p < .01

^***p < .001