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General population norms of the Swedish short forms of Oral Health Impact Profile

Journal article
Authors P. Larsson
M. T. John
Magnus Hakeberg
K. Nilner
T. List
Published in Journal of Oral Rehabilitation
Volume 41
Issue 4
Pages 275-281
ISSN 0305-182X
Publication year 2014
Published at Institute of Odontology
Pages 275-281
Language en
Links dx.doi.org/10.1111/joor.12137
Keywords validity, reliability, short instruments, oral health-related quality of life, normative values, health-, QUALITY-OF-LIFE, PSYCHOMETRIC PROPERTIES, VERSION, OHIP, TRANSLATION, VALIDITY, QUESTIONNAIRES, ALPHA
Subject categories Dentistry

Abstract

We reported the development and psychometric evaluation of a Swedish 14-item and a five-item short form of the Oral Health Impact Profile. The 14-item version was derived from the English-language short form developed by Slade in1997. The five-item version was derived from the German-language short form developed by John etal. in 2006. Validity, reliability and normative values for the two short form summary scores were determined in a random sample of the adult Swedish population (response rate: 46%, N=1366 subjects). Subjects with sufficient OHRQoL information to calculate a summary score (N=1309) were on average 50 center dot 1 +/- 17 center dot 4years old, and 54% were women. Short form summary scores correlated highly with the 49-item OHIP-S (r >= 0 center dot 97 for OHIP-S14, r >= 0 center dot 92 for OHIP-S5) and with self-report of oral health (r >= 0 center dot 41). Reliability, measured with Cronbach's alpha (0 center dot 91 for OHIP-S14, 0 center dot 77 for OHIP-S5), was sufficient. In the general population, 50% of the subjects had >= 2 OHIP-S14 score points and 10% had >= 11 points, respectively. Among subjects with their own teeth only and/or fixed dental prostheses and with partial removable dental prostheses, 50% of the population had >= 2 OHIP-S14 score points, and 10% had >= 11 points. For subjects with complete dentures, the corresponding figures were 3 and 24 points. OHIP-S5 medians for subjects in the three population groups were 1, 1 and 2 points. Swedish 14-item and 5-item short forms of the OHIP have sufficient psychometric properties and provide a detailed overview about impaired OHRQoL in Sweden. The norms will serve as reference values for future studies.

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