Psychometric evaluation of the child oral impacts on daily performances (C-OIDP) for use in Turkish primary school children: a cross sectional validation study

Table 4 Standardised Cronbach’s alpha, item-total correlation and alpha with deleted items

Performance	Corrected item- total correlation values	Alpha if item deleted
Eating	0.56	0.67
Understandable speaking	0.47	0.68
Cleaning mouth	0.49	0.68
Relaxing	0.45	0.69
Smiling	0.39	0.70
Emotional status	0.37	0.70
Studying	0.34	0.71
Contact with people	0.31	0.72

ISSN: 1472-6831