The Impact of Raising Children with Barth Syndrome on Parental Health-Related Quality of Life and Family Functioning: Preliminary Reliability and Validity of the PedsQL™ Family Impact Module

Table 2

Internal consistency of reliability and item-total correlations of the PedsQL FIM.

Scale (number of items)	Unaffected ()		BTHS ()
	Cronbach’s		Cronbach’s
Parental HRQoL (20)	0.94	.477-.846	0.96	.585-.874
Physical functioning (6)	0.87	.713-.853	0.93	.761-.954
Emotional functioning (5)	0.88	.716-. 901	0.90	.793-.910
Social functioning (4)	0.88	.848-.884	0.92	.866-.916
Cognitive functioning (5)	0.91	.798-.907	0.96	.902-.962
Communication (3)	0.78	.810-.888	0.56	.637-.722
Worry (5)	0.92	.794-.940	0.80	.667-.830
Family functioning (8)	0.94	.727-.913	0.88	.578-.832
Daily activities (3)	0.81	.807-.913	0.94	.904-.967
Family relationships (5)	0.95	.879-.938	0.93	.809-.936
Total (36)	0.96	.434-.814	0.96	.349-.836

Note: = item-total correlations. . .