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Table 3 Internal consistency, test-retest reliability and sensitivity to change of the Italian CF-PDI and its subscales

From: Cross-cultural adaptation, reliability and validity of the Italian version of the craniofacial pain and disability inventory in patients with chronic temporomandibular joint disorders

Scales

Internal consistency (α)

Test-retest (ICC 2,1 and 95% CI)

SEM

MDC

Total scale

0.95

0.86 (0.45–0.94)

5.5

15.2

Pain and disability

0.94

0.86 (0.47–0.94)

3.7

10.3

Jaw functions

0.96

0.85 (0.57–0.93)

2.1

5.7

  1. α Cronbach’s alpha, ICC intraclass correlation coefficient, CI confidence interval, SEM Standard Error of Measurement, MDC Minimum Detectable Change