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Table 1 Sample overview (number, age, and gender), data-collection methods, sampling strategies and research purpose – CFQ in Albanian language

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

Sample Sample type Data collection N Age mean (SD) Age range % women Type of investigation
(A) General population
Natural teeth - NT (n = 36)
Random Questionnaire
self-administered
supervised
36 33.58 (6.11) 25–44 50.00 Internal consistency
Convergent validity
Discriminate validity
(B) Dental Students
Natural teeth – NT (n = 61)
Consecutive Questionnaire
self-administered
supervised
61 22.13 (0.46) 21–23 60.65 Internal consistency
Test-retest reliability
Convergent validity
Discriminate validity
(C) Prosthodontic patients
(n = 57) (C1, C2)
(C1) Fixed Partial Dentures
(FPD) (n = 27)
(C2) Removable dentures (RDs) (n = 30)
Convenience Questionnaire
interview
57 49.92 (14.52) 20–86 49.12 Internal consistency
Convergent validity
Discriminate validity
(D) Prosthodontic patients with a treatment need (n = 51) (D1, D2)
(D1) Fixed Partial Dentures
(FPD) (n = 31)
(D2) Removable dentures (RDs) (n = 20)
Convenience Questionnaire
interview
51 49.50 (16.13) 19–73 50.98 Internal consistency
Convergent validity
Discriminate validity Responsiveness
  1. A General population- Natural teeth; Raiffaisen Bank – Prishtina
  2. B Dental Students - Natural teeth; Dental School, Faculty of Medicine, University of Prishtina
  3. C,D Prosthodontic patients - Department of Prosthodontics, Dental School, Faculty of Medicine University of Prishtina and Private Dental Clinic GS, Prishtina, Kosovo