Table IIIa-c.

Intercorrelations among similar Unified Batten Disease Rating Scale (UBDRS) and Child Behaviour Checklist (CBCL) symptoms

(a) Frequency of sad mood, anxiety, and aggression (Spearman’s rho)
	UBD RS sad mood	UBDRS apathy	UBDRS anxiety	UBDRS aggressio n to others	UBDRS: aggression to self (frequency)Aggress ion to self
CBCL anxious/depressed problems scale	0.49b	0.34a	0.26	0.39a	0.41a
CBCL withdrawn/depresse d problems scale	0.38a	0.47b	−0.01	0.34a	0.31
CBCL aggressive behaviour scale	0.34a	0.27	0.20	0.68b	0.57b

(b) Severity of sad mood, anxiety, and aggression (Spearman’s rho)
	UBDRS sad mood	UBDRS apathy	UBDRS anxiety
CBCL anxious/depressed problems scale	0.42a	0.36a	0.28
CBCL withdrawn/depressed problems scale	0.34a	0.45a	−0.03
CBCL aggressive behaviour scale	0.29	0.28	0.18

(c) Product of frequency and severity ratings for sad mood, anxiety, and aggression (Spearman’s rho)
	UBDRS sad mood	UBDRS apathy	UBDRS anxiety	UBDRS aggression to others	UBDRS aggression Aggression to self
CBCL anxious/depressed problems scale	0.46a	0.35a	0.28	0.40a	0.42a
CBCL withdrawn/depressed problems scale	0.37a	0.46b	−0.01	0.36a	0.31
CBCL aggressive behaviour scale	0.32	0.28	0.19	0.69b	0.57b

^ap<0.05

^bp<0.01.