From: Validation of an English version of the Child-OIDP index, an oral health-related quality of life measure for children
Items
Corrected item-total correlations
Alpha item if deleted
Cleaning teeth
0.36
0.51
Social contact
0.13
0.58
Eating
0.38
Emotional stability
0.49
0.47
Doing schoolwork
0.12
Sleeping
0.20
0.56
Smiling
0.34
0.52
Speaking
0.29
0.55