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Spec Care Dentist. 2014 Jan-Feb;34(1):27-33. doi: 10.1111/scd.12036. Epub 2013 Jun 19.

Test--retest reliability of Oral Health Impact Profile (OHIP-49) in adults with systemic sclerosis.

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  • 1Professor and and Director of Research, Department of Occupational Therapy, School of Health Professions, University of Alabama, Birmingham, Alabama.



To assess the test-retest reliability of the Oral Health Impact Profile (OHIP) in 3-month intervals among people with systemic sclerosis (SSc).


Thirty-nine adults with SSc completed the OHIP-49 at baseline, 3 and 6 months. Intraclass correlation (ICC), standard error of measurement (SEM), SEM%, coefficient of repeatability (CoR), and 95% limits of agreement (LoA) were used to assess test-retest reliability and measurement variability.


The ICC of the OHIP for the first time point (baseline to 3-month) was excellent (>.80), and the second time point (3-month to 6-month) demonstrated good reproducibility (>.60). However, the large SEM, SEM%, CoR, and 95% LoA indicated that the OHIP was neither a precise measurement nor sensitive to change in response to interventions.


The values of the ICC indicated that the OHIP scores demonstrated acceptable stability across each of the two 3 months' retest duration, supporting the reliability of the OHIP for group-level comparisons. However, using the OHIP as a measure of an individual's oral health-related quality of life in adults with SSc is not recommended.

©2013 Special Care Dentistry Association and Wiley Periodicals, Inc.


oral health; quality of life

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