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Table 4 Reliability Analysis using Cronbach's alpha

From: Validation of a Persian version of the OIDP index

 

Corrected Item-total Correlation

Cronbach's Alpha if Item Deleted

Eating

.579

.71

Speaking

.069

.77

Cleaning teeth/denture

.422

.73

Doing light physical activities

.526

.73

Going out

.445

.74

Sleeping

.674

.70

Relaxing

.655

.71

Smiling

.098

.78

Emotional stability

.567

.73

Social contact

.225

.77

Carrying out main role

.597

.71

  1. Standardised item alpha = 0.79