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Table 5 Test-retest reliability for each item and summary score CFQ-ALB, tested on 61 subjects, with natural teeth (sample B)

From: Psychometric properties of the Albanian version of chewing-function questionnaire CFQ-ALB

Question ICC Mean difference 95 % confidence interval of the difference t P
Q1 0.43 −0.0327 −0.14 ± 0.07 −0.63 0.532 NS
Q2 0.79 0.0327 −0.07 ± 0.14 0.63 0.532 NS
Q3 0.66 0.0000 −0.08 ± 0.08 0.00 1.000 NS
Q4 0.78 0.0000 −0.04 ± 0.04 0.00 1.000 NS
Q5 0.76 0.0327 −0.04 ± 0.11 0.81 0.419 NS
Q6 0.76 0.0163 −0.01 ± 0.04 1.00 0.321 NS
Q7 0.76 0.0327 −0.06 ± 0.12 0.70 0.484 NS
Q8 0.80 0.0327 −0.04 ± 0.11 0.81 0.419 NS
Q9 0.51 0.0491 −0.16 ± 0.26 0.47 0.643 NS
Q10 0.81 −0.0163 −0.04 ± 0.01 1.00 0.321 NS
Summary score 0.90 0.1475 −0.11 ± 0.40 1.14 0.260 NS
  1. NS not significant (p > 0.05), ICC Interclass Correlation Coefficients