Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia

Introduction/Objective. This study aimed to translate the original disease-specific Malocclusion Impact Questionnaire (MIQ) into Serbian and validate the new version in the cohort of young Serbian orthodontic patients. Methods. At the university clinic, 154 patients filled out the MIQ in Serbian bef...

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Autores principales:	Vučić Ljiljana, Juloski Jovana, Stefanović Neda, Pajević Tina, Glišić Branislav
Formato:	article
Lenguaje:	EN SR
Publicado:	Serbian Medical Society 2021
Materias:	miq malocclusion impact questionnaire quality of life malocclusion cross-cultural adaptation validation Medicine R
Acceso en línea:	https://doaj.org/article/cfd853f88ebf425fa1e0a09aefe520f3
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spelling	oai:doaj.org-article:cfd853f88ebf425fa1e0a09aefe520f32021-11-10T07:28:09ZValidation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia0370-81792406-089510.2298/SARH200707063Vhttps://doaj.org/article/cfd853f88ebf425fa1e0a09aefe520f32021-01-01T00:00:00Zhttp://www.doiserbia.nb.rs/img/doi/0370-8179/2021/0370-81792100063V.pdfhttps://doaj.org/toc/0370-8179https://doaj.org/toc/2406-0895Introduction/Objective. This study aimed to translate the original disease-specific Malocclusion Impact Questionnaire (MIQ) into Serbian and validate the new version in the cohort of young Serbian orthodontic patients. Methods. At the university clinic, 154 patients filled out the MIQ in Serbian before the start of the orthodontic treatment; 112 participants filled out the same questionnaire four weeks later. The Index of Orthodontic Treatment Need – Dental Health Component (IOTN-DHC) and Peer Assessment Rating (PAR) pretreatment scores were recorded. Descriptive statistic, Cronbach’s α, Spearman’s ρ, and exploratory factor analysis, followed by parallel analysis for factor reduction, were calculated and analyzed. Results. One hundred forty-eight patients with no missing responses (51 male, 97 female), of the average age of 13.3 ± 2 years, had MIQ total scores mean of 10.14 ± 7.451. Internal reliability (α = 0.913), external reliability (ρ = 0.906; p = 0.000), construct validity tested by MIQ total scores and two global question scores’ correlations (ρ = 0.682; p = 0.000 and ρ = 0.366; p = 0.000), as well as clinical validity tested by correlations of MIQ total scores with PAR pretreatment scores (ρ = 0.181; p < 0.05), and IOTN-DHC scores (ρ = 0.192; p < 0.05) were positive and statistically significant. One item factor was extracted and it explained a large part of the cumulative variance. Conclusion. Reliability and validity of the translated and cross-culturally adapted MIQ in Serbian is satisfactory. It could be used for malocclusion-related quality of life assessments in young Serbian orthodontic patients.Vučić LjiljanaJuloski JovanaStefanović NedaPajević TinaGlišić BranislavSerbian Medical Societyarticlemiqmalocclusion impact questionnairequality of lifemalocclusioncross-cultural adaptationvalidationMedicineRENSRSrpski Arhiv za Celokupno Lekarstvo, Vol 149, Iss 9-10, Pp 544-550 (2021)
institution	DOAJ
collection	DOAJ
language	EN SR
topic	miq malocclusion impact questionnaire quality of life malocclusion cross-cultural adaptation validation Medicine R
spellingShingle	miq malocclusion impact questionnaire quality of life malocclusion cross-cultural adaptation validation Medicine R Vučić Ljiljana Juloski Jovana Stefanović Neda Pajević Tina Glišić Branislav Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
description	Introduction/Objective. This study aimed to translate the original disease-specific Malocclusion Impact Questionnaire (MIQ) into Serbian and validate the new version in the cohort of young Serbian orthodontic patients. Methods. At the university clinic, 154 patients filled out the MIQ in Serbian before the start of the orthodontic treatment; 112 participants filled out the same questionnaire four weeks later. The Index of Orthodontic Treatment Need – Dental Health Component (IOTN-DHC) and Peer Assessment Rating (PAR) pretreatment scores were recorded. Descriptive statistic, Cronbach’s α, Spearman’s ρ, and exploratory factor analysis, followed by parallel analysis for factor reduction, were calculated and analyzed. Results. One hundred forty-eight patients with no missing responses (51 male, 97 female), of the average age of 13.3 ± 2 years, had MIQ total scores mean of 10.14 ± 7.451. Internal reliability (α = 0.913), external reliability (ρ = 0.906; p = 0.000), construct validity tested by MIQ total scores and two global question scores’ correlations (ρ = 0.682; p = 0.000 and ρ = 0.366; p = 0.000), as well as clinical validity tested by correlations of MIQ total scores with PAR pretreatment scores (ρ = 0.181; p < 0.05), and IOTN-DHC scores (ρ = 0.192; p < 0.05) were positive and statistically significant. One item factor was extracted and it explained a large part of the cumulative variance. Conclusion. Reliability and validity of the translated and cross-culturally adapted MIQ in Serbian is satisfactory. It could be used for malocclusion-related quality of life assessments in young Serbian orthodontic patients.
format	article
author	Vučić Ljiljana Juloski Jovana Stefanović Neda Pajević Tina Glišić Branislav
author_facet	Vučić Ljiljana Juloski Jovana Stefanović Neda Pajević Tina Glišić Branislav
author_sort	Vučić Ljiljana
title	Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
title_short	Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
title_full	Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
title_fullStr	Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
title_full_unstemmed	Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia
title_sort	validation of the translated and cross-culturally adapted malocclusion impact questionnaire in young people seeking orthodontic treatment in serbia
publisher	Serbian Medical Society
publishDate	2021
url	https://doaj.org/article/cfd853f88ebf425fa1e0a09aefe520f3
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Validation of the translated and cross-culturally adapted Malocclusion Impact Questionnaire in young people seeking orthodontic treatment in Serbia

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