Table 5 Analysis of interne coherence of OIDP items: complete correlation of corrected items, Cronbach’s alpha if items deleted. Reliability analysis: Corrected item-total correlations
Performances | Corrected item-total correlation | Cronbach’s alpha if items deleted |
|---|---|---|
Eating | 0.610 | 0.86 |
Speaking and pronouncing clearly | 0.657 | 0.85 |
Cleaning teeth | 0.560 | 0.86 |
Sleeping and relaxing | 0.631 | 0.86 |
Smiling, laughthing | 0.681 | 0.85 |
Carring work | 0.724 | 0.85 |
Maintaining emotional status | 0.676 | 0.85 |
Enjoying contact with other people | 0.624 | 0.86 |
Global Cronbach’alpha for the 8 items : 0.876 |