. Author manuscript; available in PMC: 2012 Jan 24.

Published in final edited form as: J Autism Dev Disord. 2006 Dec 5;37(9):1735–1747. doi: 10.1007/s10803-006-0307-7

Table 6.

Prevalence of SIB-R maladaptive behaviors, Time 1 versus Time 4

Problem	Mean composite scores (SD), percent with any behaviors		Change^a	t, d
Problem	Time 1	Time 4	Change^a	t, d
Internalized behaviors (N = 241)	2.13 (.79)	1.66 (.97)	−.47	t = 7.44^*** d = −.59
Unusual or repetitive habits	87.6%	67.6%	−20.0%^***
Withdrawal or inattentive behavior	78.8%	62.2%	−16.6%^***
Hurtful to self	46.1%	36.5%	−9.6%^**
Externalized behaviors (N = 241)	1.33 (1.10)	1.09 (1.09)	−.24	t = 3.55^*** d = −.22
Disruptive behavior	50.2%	43.6%	−6.6%^†
Hurtful to others	44.4%	34.9%	−9.5%^**
Destructive to property	38.2%	30.3%	−7.9%^*
Asocial behaviors (N = 241)	1.25 (.75)	.99 (.80)	−.26	t = 4.98^*** d = −.34
Socially offensive behavior	69.7%	53.9%	−15.8%^***
Uncooperative behavior	54.8%	45.2%	−9.6%^*
Maladaptive total (N = 241)	4.70 (2.02)	3.74 (2.17)	−.96	t = 7.38^*** d = −.47

p < .05,

^**

p < .01,

^***

p < .001,

^†

p = .077

Differences in proportions tested using the McNemar test for dependent samples