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Integration of oral health-related quality of life instruments.
Department of Diagnostic and Biological Sciences, University of Minnesota, 7-536 Moos Tower 515 Delaware Street SE, Minneapolis, MN 55455, USA.
Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Department of Prosthodontics, University of Zagreb, and School of Dental Medicine and Clinical Hospital Centre, Zagreb, Croatia.
Department of Prosthodontics, Showa University, Tokyo, Japan.
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2016 (English)In: Journal of Dentistry, ISSN 0300-5712, E-ISSN 1879-176X, Vol. 53, 38-43 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To integrate items from two widely used oral health-related quality of life (OHRQoL) questionnaires, the General Oral Health Assessment Index (GOHAI) and the Oral Impacts on Daily Performances (OIDP), as well as culturally-specific items of the Oral Health Impact Profile (OHIP) into a four-dimensional OHRQoL model consisting of Oral Function, Orofacial Pain, Orofacial Appearance, and Psychosocial Impact.

METHODS: Subjects came from an ancillary study of the Dimensions of Oral Health-Related Quality of Life Project (N=267 patients, mean age±SD: 54.0±17.2years, 58% women.) Patients filled in the original 49 items of OHIP and 22 additional OHRQoL items in a cross-sectional study. These additional items consisted of 7 culturally specific OHIP items and 15 GOHAI or OIDP items with unique content not covered in OHIP-49. Before data collection, three experts hypothesized to which of the four OHRQoL dimensions these items belong. Hypotheses were tested in correlation analyses between the 22 items and the four dimension scores that were derived from OHIP-49.

RESULTS: Five of the 22 items did not provide sufficient information to which dimension they belong. In 16 of the remaining 17 items, the pattern of correlation coefficients fitted experts' a priori hypotheses. Acceptance of 16 of the 17 hypotheses was interpreted as evidence that additional (not in OHIP-49 contained) OHRQoL items can be assigned to Oral Function, Orofacial Pain, Orofacial Appearance, and Psychosocial Impact.

CONCLUSION: Items of three OHRQoL instruments can be integrated into a dimensional OHRQoL model consisting of Oral Function, Orofacial Pain, Orofacial Appearance, and Psychosocial Impact.

CLINICAL SIGNIFICANCE: Oral Function, Orofacial Pain, Orofacial Appearance, and Psychosocial Impact can serve as a simple and clinically appealing set of oral health-related quality of life (OHRQoL) dimensions and therefore provide an opportunity for simpler, but psychometrically improved OHRQoL measurement in the future.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 53, 38-43 p.
Keyword [en]
Cross-sectional study, Dimensionality, Measurement, Oral health-related quality of life, Questionnaire, Validity
National Category
Dentistry
Identifiers
URN: urn:nbn:se:liu:diva-137041DOI: 10.1016/j.jdent.2016.06.006ISI: 000384869600005PubMedID: 27353210OAI: oai:DiVA.org:liu-137041DiVA: diva2:1092169
Available from: 2017-05-01 Created: 2017-05-01 Last updated: 2017-05-01

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