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Croatian Medical Journal, Vol. 49 No. 4, 2008.

Original scientific paper

Psychometric Properties of Croatian and Slovenian Short Form of Oral Health Impact Profile Questionnaires

Ksenija Rener-Sitar ; Department of Prosthodontics, Faculty of Medicine, University of Ljubljana, Slovenia
Nikola Petričević ; Department of Prosthodontics, School of Dental Medicine, Zagreb, Croatia
Asja Čelebić ; Department of Prosthodontics, School of Dental Medicine, Zagreb, Croatia
Ljubo Marion ; Department of Prosthodontics, Faculty of Medicine, University of Ljubljana, Slovenia

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Abstract

Aim To develop Croatian and Slovenian versions of the 14-item Oral
Health Impact Profile (OHIP) Questionnaire. Methods The English original version of the OHIP questionnaire was translated into Croatian (OHIP-CRO14) and Slovenian (OHIPSVN14) language by a forward-backward translation method. The psychometric properties of the OHIP-CRO14 and OHIP-SVN14 were tested. Concurrent validity was tested on 623 subjects (193 Croatian and 430 Slovenian), test-retest reliability on 115 subjects (55 Croatian
and 60 Slovenian), internal consistency on 678 subjects (218 Croatian
and 460 Slovenian), and responsiveness on 51 patients (21 Croatian
and 30 Slovenian) in demand of treatment (toothache).
Results Concurrent validity was confirmed by the association between
the OHIP summary scores and self-reported oral health (correlation
coefficients ranged from 0.40 to 0.60, P<0.001). Test-retest reliability
showed high intraclass correlation (correlation coefficients, 0.79-0.94). Internal consistency showed high Cronbach α (0.77-0.91). Responsiveness was confirmed by a significant difference between the mean OHIP score at baseline and follow-up (P<0.001 for both Croatian and Slovenian patients) and high effect size in Croatian and Slovenian patients in demand of treatment (3.00 and 0.57, respectively). Conclusion Psychometric properties of OHIP-CRO14 and OHIPSVN14 render these instruments suitable for the assessment of Oral Health Related Quality of Life in Croatia and Slovenia.

Keywords

Oral Health; Questionnaires; Quality of Life; Psychometrics; Epidemiology; Croatia; Slovenia

Hrčak ID:

29267

URI

https://hrcak.srce.hr/29267

Publication date:

15.8.2008.

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