Table 2. Internal consistency (Cronbach’s α Coefficient) and item-summary correlations of PedsQL^TM 4.0 Generic Core Scale and FIM Scale.

	Cronbach’s α Coefficient	Item-summary Correlations
Generic Core Scale
Physical	0.89	0.53-0.71
Emotional	0.84	0.56-0.73
Social	0.79	0.51-0.69
School	0.73	0.47-0.61
Summary scale	0.91	0.55-0.72
FIM Scale
Physical	0.90	0.62-0.85
Emotional	0.87	0.53-0.76
Social	0.85	0.59-0.82
Cognitive	0.84	0.52-0.73
Communication	0.80	0.56-0.70
Worry	0.85	0.59-0.72
Family daily activities	0.83	0.53-0.72
Family relationships	0.87	0.56-0.75
Summary score	0.89	0.50-0.68