Psychometric Properties of the Iowa Fluoride Study Oral Health Questionnaire in Mexican Adolescents

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Abstract

Background and objective: The perception of quality of life about health status is subjective; assessment of the impact includes well-being while eating, speaking, smiling, interacting with others, and feeling good about the esthetic appearance of teeth and mouth. The objective of the present study was to cross-culturally adapt and determine the validity and reliability of the Mexican version of the Iowa Fluoride Study Oral Health for adolescents.

Material and methods: A cross-sectional study was carried out in a sample of 240 Mexican adolescents aged 15 to 19 years. The questionnaire was translated, back-translated, and administered through the Google Forms platform. The cultural adaptation consisted of the evaluation of the grammatical, conceptual, and linguistic equivalences. The evaluation of the utility and acceptability was carried out through an analysis of semantic equivalence. The utility of the questionnaire was also evaluated by analyzing its grammatical readability. Reliability tests, Kaiser-Meyer-Olkin (KMO), factor analysis, and Pearson's correlation were performed.

Results: The mean age of all participants was 16.4±1.4; 65.3% (n=158) were female. Face validity was considered adequate. The wording of the objective and instructions of the questionnaire were improved. The confidentiality assurances were highlighted. The questions were clear, understandable, and pertinent, and they showed adequate syntax. The INFLESZ index corresponds to a "fairly easy" level of readability. In the quantitative validation, the correlation of items was greater than 0.4. The KMO was 0.930 (p=0.001), and Bartlett sphericity was 2466.5 (p=0.001). Through the exploratory factorial analysis, we evaluated the emotional well-being (12 items), social welfare (five items), and oral symptoms (OS) (three items) dimensions. Internal consistency was high (Cronbach’s α=0.942).

Conclusion: The culturally translated and adapted questionnaire is valid and reliable for use in research on Mexican adolescents.

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Propriedades psicométricas na avaliação de instrumentos: avaliação da confiabilidade e da validade

Ana Cláudia de Souza, Neusa Maria Costa Alexandre, Edinêis de Brito Guirardello (2017)

Resumo Instrumentos de medida desempenham um importante papel na pesquisa, na prática clínica e na avaliação de saúde. Estudos sobre a qualidade desses instrumentos fornecem evidências de como as propriedades de medida foram avaliadas, auxiliando o pesquisador na escolha da melhor ferramenta para utilização. A confiabilidade e a validade são consideradas as principais propriedades de medida de tais instrumentos. Confiabilidade é a capacidade em reproduzir um resultado de forma consistente, no tempo e no espaço. Validade refere-se à propriedade de um instrumento medir exatamente o que se propõe. Neste artigo são apresentados, discutidos e exemplificados os principais critérios e testes estatísticos empregados na avaliação da confiabilidade (estabilidade, consistência interna e equivalência) e validade (conteúdo, critério e construto) de instrumentos. A avaliação das propriedades de medida de instrumentos é útil para subsidiar a seleção de instrumentos válidos e confiáveis, de modo a assegurar a qualidade dos resultados dos estudos.

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Cross-cultural adaptation of research instruments: language, setting, time and statistical considerations

Linn Gjersing, John Caplehorn, Thomas Clausen (2010)

Background Research questionnaires are not always translated appropriately before they are used in new temporal, cultural or linguistic settings. The results based on such instruments may therefore not accurately reflect what they are supposed to measure. This paper aims to illustrate the process and required steps involved in the cross-cultural adaptation of a research instrument using the adaptation process of an attitudinal instrument as an example. Methods A questionnaire was needed for the implementation of a study in Norway 2007. There was no appropriate instruments available in Norwegian, thus an Australian-English instrument was cross-culturally adapted. Results The adaptation process included investigation of conceptual and item equivalence. Two forward and two back-translations were synthesized and compared by an expert committee. Thereafter the instrument was pretested and adjusted accordingly. The final questionnaire was administered to opioid maintenance treatment staff (n=140) and harm reduction staff (n=180). The overall response rate was 84%. The original instrument failed confirmatory analysis. Instead a new two-factor scale was identified and found valid in the new setting. Conclusions The failure of the original scale highlights the importance of adapting instruments to current research settings. It also emphasizes the importance of ensuring that concepts within an instrument are equal between the original and target language, time and context. If the described stages in the cross-cultural adaptation process had been omitted, the findings would have been misleading, even if presented with apparent precision. Thus, it is important to consider possible barriers when making a direct comparison between different nations, cultures and times.

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Oral health-related quality of life of children by dental caries and fluorosis experience.

Richard K. G. Do, Elizabeth Spencer (2006)

To evaluate the oral health-related quality of life (OHRQoL) of children by dental caries and fluorosis status. A random sample of South Australian 8- to 13-year-old children was selected. Caries data were collected from school dental service records to group children by combined deciduous and permanent tooth caries experience. Children were examined for fluorosis using the Thylstrup and Fejerskov (TF) Index to form groups by fluorosis scores on maxillary central incisors. Occlusal traits were recorded using the Dental Aesthetic Index. Children and their parents completed the Child Perception Questionnaire (CPQ) and the Parental Perception Questionnaire (PPQ) and a global rating of oral health (OH). OHRQoL indicators, rating OH as Excellent/Very good, and mean overall CPQ/PPQ scores were compared between groups by fluorosis scores and caries experience. Multivariate models were generated for both OH and CPQ/PPQ indicators. Two hundred forty-two children (43.0 percent) had 0 decayed, missing, and filled primary and permanent tooth surface (dmfs/DMFS), while 170 (23.9 percent) had 5+ dmfs/DMFS. The prevalence of TF scores 1, 2, and 3 were 14.5, 9.5, and 1.9 percent, respectively. The proportion of children/parents rating OH as Excellent/Very good was significantly associated with children's caries experience. That proportion increased when fluorosis severity increased from a TF score of 0 to 2, but decreased with a TF of 3. Having low caries experience and better dental appearance were associated with parents' perception of good OH. Having mild fluorosis and more acceptable appearance were significant factors for children's perception of good OH. Caries and malocclusion were associated with lower OHRQoL, while having a TF score of 2 was associated with better OHRQoL in multivariate models for overall CPQ/PPQ scores. Caries and less acceptable appearance showed a negative impact, while mild fluorosis had a positive impact on child and parental OHRQoL.

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Author and article information

Journal

Journal ID (nlm-ta): Cureus

Journal ID (iso-abbrev): Cureus

Journal ID (issn): 2168-8184

Title: Cureus

Publisher: Cureus (Palo Alto (CA) )

ISSN (Electronic): 2168-8184

Publication date (Electronic, pub): 27 December 2023

Publication date (Electronic, collection): December 2023

Volume: 15

Issue: 12

Electronic Location Identifier: e51165

Affiliations

[1 ] School of Behavioral Sciences, Autonomous University of the State of Mexico, Toluca, MEX

[2 ] Academic Area of Dentistry of Health Sciences Institute, Autonomous University of Hidalgo State, Pachuca, MEX

[3 ] Advanced Studies and Research Center in Dentistry, "Dr. Keisaburo Miyata" of School of Dentistry, Autonomous University of State of Mexico, Toluca, MEX

[4 ] School of Dentistry, Autonomous University of Campeche, Campeche, MEX

[5 ] Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University-Purdue University, Indianapolis, USA

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Carlo E. Medina-Solís cemedinas@ 123456yahoo.com

Article

DOI: 10.7759/cureus.51165

PMC ID: 10813596

PubMed ID: 38283445

SO-VID: 9087c0b4-da1e-4970-b186-e7fd77616a60

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This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Psychometric Properties of the Iowa Fluoride Study Oral Health Questionnaire in Mexican Adolescents

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Asian Journal of Quality of Life (AjQoL)

Most cited references 39

Propriedades psicométricas na avaliação de instrumentos: avaliação da confiabilidade e da validade

Cross-cultural adaptation of research instruments: language, setting, time and statistical considerations

Oral health-related quality of life of children by dental caries and fluorosis experience.

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