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. 2011 Fall;2(4):314-20.

Validity and reliability of the Persian version of the oral health impact profile (OHIP)-14

Mina Motallebnejad  1 , Hoora Hadian  2 , Shervin Mehdizadeh  3 , Mahmoud Hajiahmadi  4
Affiliations

Validity and reliability of the Persian version of the oral health impact profile (OHIP)-14

Mina Motallebnejad et al. Caspian J Intern Med. 2011 Fall.

Abstract

Background: The need for assessment of oral health related quality of life has been increased over the last decades. The aim of this study was to develop a Persian version of the Oral Health Impact Profile (OHIP)-14 and to evaluate its reliability and validity for its use in Persian-speaking communities.

Methods: The original version of the OHIP-14 was translated into the Persian language using the back-translation technique. To establish the reliability of the translated instrument, internal consistency and test-retest reliability trials were performed on 20 subjects (at 4-week intervals); Cronbach's alpha was used. One hundred sixty adults over 50 years of age who attended Health Care Centers in Sari and Babol were recruited to fill out the questionnaires and received a clinical examination by a single dentist. The socio-demographic and oral health information was also collected.

Results: The test-retest reliability was excellent (Cronbach's alpha = 0.095). In the main study, Cronbach's reliability coefficient for all 14 questions in each dimension was more than 70%. The individuals in need of dental treatment showed significantly higher OHIP scores than the individuals not requiring treatment. The individuals with hopeless teeth, negative self-perceived oral had significantly higher OHIP scores.

Conclusion: The Persian version of the OHIP-14 is a comprehensive and accurate instrument with acceptable reliability and validity for measuring oral health-related quality of life.

Keywords: OHIP-14; QOL questionnaire; Quality of life.

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