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Table 3 Internal consistency and test-retest reliability of the MIS-EC/C

From: Cross-cultural adaptation and validation of the Chinese version of the Malocclusion Impact Scale for Early Childhood (MIS-EC/C)

Domain

No. of items

Internal consistency (n = 210)

Test-retest reliability (n = 30)

Internal consistency

(Cronbach’s alpha)

Intraclass correlation

coefficient (95% CI)

Total score

8

0.943

0.873 (0.612–0.928)

Child Impact domain

6

0.935

0.844 (0.572–0.917)

Family Impact domain

2

0.959

0.895 (0.673–0.934)

  1. 95% CI: 95% confidence interval
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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