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Table 3 Reliability analysis: Corrected item-total correlations

From: Validation of an English version of the Child-OIDP index, an oral health-related quality of life measure for children

Items

Corrected item-total correlations

Alpha item if deleted

Cleaning teeth

0.36

0.51

Social contact

0.13

0.58

Eating

0.38

0.51

Emotional stability

0.49

0.47

Doing schoolwork

0.12

0.58

Sleeping

0.20

0.56

Smiling

0.34

0.52

Speaking

0.29

0.55

  1. Standardised item alpha = 0.58
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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