A 7-day recall period for a clinical application of the oral health impact profile questionnaire

Objectives Aims were to investigate and compare the validity and reliability of Oral Health Impact Profile (OHIP) scores referencing 7-day and 1-month recall periods in international prosthodontic patients. Material and methods A sample of 267 patients (mean age = 54.0 years, SD = 17.2 years, 58 % w...

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Published in:Clinical oral investigations 2016-01, Vol.20 (1), p.91-99
Main Authors: Waller, Niels, John, Mike T., Feuerstahler, Leah, Baba, Kazuyoshi, Larsson, Pernilla, Peršić, Sanja, Kende, Dóra, Reißmann, Daniel R., Rener-Sitar, Ksenija
Format: Article
Language:English
Subjects:
Adult
Dentistry
Female
Humans
Male
Medicine
Middle Aged
Multicenter study
Oral Health
Original Article
Prosthodontics
Psychometrics
Quality of life
Questionnaire
Reliability
Reproducibility of Results
Sickness Impact Profile
Surveys and Questionnaires
Validity
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Summary:Objectives Aims were to investigate and compare the validity and reliability of Oral Health Impact Profile (OHIP) scores referencing 7-day and 1-month recall periods in international prosthodontic patients. Material and methods A sample of 267 patients (mean age = 54.0 years, SD = 17.2 years, 58 % women) with stable oral health-related quality of life was recruited from prosthodontic treatment centers in Croatia, Germany, Hungary, Japan, Slovenia, and Sweden. These patients completed the OHIP on two occasions using a new 7-day recall period and the traditional 1-month recall period. OHIP score validity and reliability were investigated with structural equation models (SEMs) that included OHIP past 7 days and OHIP 1 month latent factors and single indicator measures of global oral health status. The SEMs assessed measurement invariance and the relative validities of the two OHIP latent factors (representing the two recall periods). Results The SEMs provided cogent evidence for recall period measurement invariance for the two OHIP forms and equal validities ( r  = .48) with external measures of global oral health status. Conclusion When assessed in international prosthodontic patients, OHIP scores using the new 7-day recall period were as reliable and valid as the scores using the 1-month recall period. Clinical relevance Conceptual advantages make a 7-day recall period a preferred frame of reference in clinical applications of the OHIP questionnaire.
ISSN:1432-6981
1436-3771
1436-3771
DOI:10.1007/s00784-015-1484-6