Skip to main content

Table 4 Reliability test of OIDP among the working sample (n:561).

From: Validation of two complementary oral-health related quality of life indicators (OIDP and OSS 0-10 ) in two qualitatively distinct samples of the Spanish population

OIDP Dimensions

Corrected item-total correlation

Alpha if item deleted

Eating

0.43

0.65

Speaking

0.40

0.67

Cleaning

0.30

0.68

Working

0.38

0.67

Social

0.43

0.66

Sleeping & Relaxing

0.38

0.67

Smiling

0.42

0.66

Emotional

0.45

0.65

  1. Analysis of corrected item-total correlation and Alpha value if item deleted.
  2. Standardised item Alpha = 0.71
  3. Alpha = 0.69