Reliability and validity of the Japanese version of the Pediatric Quality of Life Inventory Infant Scales

Journal of Patient-Reported Outcomes

Table 9 Relative validity of the Japanese version of the PedsQL Infant Scales

	N = 43
	Infants aged 19–24 months
	t value	Toddler version	Ratio of the squared t values
	Infant Scales	Toddler version	Ratio of the squared t values
Physical health summary	− 2.12	− 0.91	5.43
Psychosocial health summary	− 1.78	− 1.94	0.85
Total	− 2.12	− 1.61	1.74