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Updated: Feb 26, 2026

Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
Fiabilidad y Validez de Constructo de un Cuestionario para la Evaluación de Resultados Informados por el Paciente en
Tonje Moen Eckhoff1, Erik Klepsland Mauland1,2, Anders Verket1
1Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway.
Objectives:
The study aimed to evaluate the reliability and construct validity of a questionnaire assessing patient-reported outcomes following dental implant rehabilitation.
Material And Methods:
A questionnaire was mailed to patients 8 years posttreatment to assess experiences with dental implant therapy, including satisfaction, oral function, perceived pretreatment information and complications. Patients completed the questionnaire again during a clinical examination. Internal consistency was evaluated using Cronbach's alpha and corrected item-total correlations (CITC), while test-retest reliability was assessed with intraclass correlation coefficients (ICC). Construct-related validity was examined through associations between questionnaire domains and oral health related quality of life (OHRQoL) measured by OHIP-14.
Results:
A total of 206 patients completed the questionnaire twice. For individual items, ICCs ranged from 0.39 to 0.75 and CITCs from 0.39 to 0.66. The full questionnaire had an alpha of 0.78 and an ICC of 0.78. Construct-related validity was supported through associations between the questionnaire domains patient satisfaction, pretreatment information and the OHIP-14 sum scores.
Conclusions:
The questionnaire demonstrated acceptable internal consistency reliability, good test-retest performance, and reasonable construct validity.

