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Table 1 Reliability test of OIDP among the validation sample (n:253).

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

0.46

0.77

Speaking

0.57

0.75

Cleaning

0.38

0.78

Working

0.36

0.78

Social

0.57

0.75

Sleeping & Relaxing

0.47

0.77

Smiling

0.53

0.75

Emotional

0.68

0.73

  1. Analysis of corrected item-total correlation and Alpha value if item deleted.
  2. Alpha = 0.78
  3. Standardised item Alpha = 0.79
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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