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| Research article summary (published 30 Dec 2002): |
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A prospective study of the validity of self-reported use of specific types of dental services.
Full Abstract
OBJECTIVE:
The purpose of this study was to quantify the validity of self-reported receipt of dental services in 10 categories, using information from dental charts as the "gold standard."
METHODS:
The Florida Dental Care Study was a prospective cohort study of a diverse sample of adults. In-person interviews were conducted at baseline and at 24 and 48 months following baseline, with telephone interviews at six-month intervals in between. Participants reported new dental visits, reason(s) for the visit(s), and specific service(s) received. For the present study, self-reported data were compared with data from patients' dental charts.
RESULTS:
Percent concordance between self-report and dental charts ranged from 82% to 100%, while Kappa values ranged from 0.33 to 0.91. Bivariate multiple logistic regressions were performed for each of the service categories, with two outcomes:
self-reported service receipt and service receipt determined from the dental chart. Parameter estimate intervals overlapped for each of the four hypothesized predictors of service receipt (age group, sex, "race" defined as non-Hispanic African American vs. non-Hispanic white, and annual household income < 20,000 US dollars vs. > or = 20,000 US dollars), although for five of the 10 service categories, there were differences in conclusions about statistical significance for certain predictors.
CONCLUSIONS:
The validity of self-reported use of dental services ranged from poor to excellent, depending upon the service type. Regression estimates using either the self-reported or chart-validated measure yielded similar results overall, but conclusions about key predictors of service use differed in some instances. Self-reported dental service use is valid for some, but not all, service types.
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Author information
Author/s: Gilbert, Gregg H (GH); Rose, John S (JS); Shelton, Brent J (BJ);
Affiliation: Department of Diagnostic Sciences, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA. ghg(-atsign-)uab.edu
Grants: DE-11020 (Agency:United States NIDCR) ; DE-12457 (Agency:United States NIDCR) ; DE-14164 (Agency:United States NIDCR)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Validation Studies
Journal: Public health reports (Washington, D.C. : 1974) (Public Health Rep), published in United States. (Language: eng)
Reference: -2003 Jan-Feb; vol 118 (issue 1) : pp 18-26
Dates: Created 2003/02/26; Completed 2003/03/07; Revised 2007/11/14;
PMID: 12604761, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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