Corrected item-total correlation coefficients	Alpha if item deleted
Difficulty eating	0.80	0.50
Difficulty drinking	0.78	0.63
Difficulty speaking	0.77	0.68
Difficulty playing	0.78	0.65
Avoiding smiling (due to pain)	0.80	0.50
Avoiding smiling (due to appearance)	0.79	0.58
Difficulty sleeping	0.82	0.45