Table 3.

Reliability of the Japanese version of the PedsQL™ Brain Tumor Module

	Cronbach's coefficient alpha					Retest reliability (n = 28)
		Age group
	Total (n = 166)	Toddler (n = 26)	Young child (n = 31)	Child (n = 56)	Adolescent (n = 53)	Change	SD	95% CI		ICC
Child-report
Cognitive Problems	0.83	-	0.73	0.80	0.85	-1.3	15.1	-7.8	5.3	0.67
Pain and Hurt	0.50	-	0.48	0.35	0.57	-1.5	17.3	-9.0	6.0	0.45
Movement and Balance	0.78	-	0.78	0.79	0.75	0.0	14.6	-6.3	6.3	0.77
Procedural Anxiety	0.82	-	0.75	0.85	0.85	1.4	29.3	-11.2	14.1	0.67
Nausea	0.84	-	0.62	0.82	0.93	2.8	18.6	-5.3	10.8	0.74
Worry	0.75	-	0.84	0.60	0.76	-4.3	19.8	-12.9	4.2	0.70
Parent-report
Cognitive Problems	0.92	-	0.89	0.90	0.93	1.3	13.6	-4.7	7.3	0.76
Pain and Hurt	0.80	0.92	0.77	0.81	0.74	-2.9	13.3	-8.3	2.5	0.82
Movement and Balance	0.91	0.84	0.89	0.89	0.93	1.6	11.3	-3.0	6.2	0.92
Procedural Anxiety	0.96	0.98	0.94	0.95	0.96	-3.7	21.1	-12.4	5.1	0.82
Nausea	0.93	0.86	0.87	0.93	0.94	-1.0	8.2	-4.3	2.4	0.95
Worry	0.86	0.86	0.93	0.69	0.88	-0.3	16.2	-6.9	6.2	0.74

CI, confidence interval; ICC, intraclass correlation coefficient