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

Journal of Patient-Reported Outcomes

Table 6 Known-groups validity of the Japanese version of the PedsQL Infant Scales

	N = 145
	PedsQL Infant Scales
	Physical health summary		Psychosocial health summary		Total
	β^a	P value	β^a	P value	β^a	P value
Acute disease	− 7.50	0.01	− 2.93	0.14	− 4.71	0.03
Chronic disease	− 8.70	0.049	− 3.00	0.32	− 5.28	0.12

^aNon-standardized regression coefficients calculated from linear mixed model controlling child’s age, gender, parent’s age, gender, and K6 score as fixed effects and study institutions (i.e., day care centers and the pediatric clinic) as a random effect. Therefore (for example), PedsQL Infant Scales Total score among infants with acute disease is 4.71 points lower than among those without acute disease