Self-injury and aggression in tuberous sclerosis complex: cross syndrome comparison and associated risk markers

Table 3 Comparison of demographic characteristics between individuals with TSC with and without self-injury and aggression

	Self-injury				Aggression
	Present	Absent	t or χ²	P	Present	Absent	t or χ²	P
Age^a (mean)	8.00	10.85	2.70	0.01	9.17	10.89	1.70	0.10
Sex (% male)	30.00	59.26	2.50	0.15	38.89	61.11	1.78	0.32
Self-help (% partly able or able^d)	50.00	88.89	6.51	0.02	72.22	83.33	0.64	0.69
Mobility^c (% fully mobile)	80.00	81.48	0.01	1.00	83.33	77.78	0.18	1.0
Vision^c (% normal)	80.00	92.59	1.20	0.29	88.89	94.44	0.36	1.0
Hearing^c (% normal)	100.00	96.15	0.40	1.00	100.00	94.12	1.09	0.49
Speech^c (% partly verbal or verbal^d)	80.00	92.59	1.20	0.29	94.44	83.33	1.13	0.60

^aAge in years. ^bBased on the self-help scale of the Wessex Behaviour Schedule. Able or partly able is defined as a score of >2. ^cTaken from the Wessex Behaviour Schedule. ^dBased on the speech item of the Wessex Behaviour Schedule. Verbal or partly verbal is defined as a score of ≥2. Bold text indicates whether there is a significant difference in demographic variables between individuals with and without challenging behaviour.

ISSN: 1866-1955