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

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

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

ISSN: 1477-7525