Turkish Version of Child-Friendly Oral Health Questionnaire

Oral Disease, Tooth Diseases

validity, reliability, oral health

Oral problems are a common occurrence among school-age children. In order to develop effective oral health interventions and services, it is essential to determine children's oral health behaviours using an internationally accepted standardised instrument that is child-friendly. However, no instrument currently exists to measure oral health according to the Theory of Planned Behaviour (TPB) in Turkish school-aged children. The aim of this study was to investigate the psychometric properties of the Oral Health Questionnaire, which includes the components of the theory of planned behavior such as attitude toward children's oral health, subjective norm, perceived behavioral control, and self-efficacy, for the Turkish population

The Oral Health Questionnaire was used as the data collection tool in the study. It was developed by Davison et al. (2017) as a child-friendly scale consisting of 57 questions in a 5-point Likert type based on the TPB \[6\]. The scale consists of three parts. The first part consists of questions to obtain sociodemographic information (items 1-9), and the second part consists of questions to determine the behavioral characteristics of the individual toward tooth brushing. Tooth brushing behaviors are evaluated based on the individual's statements. The last part of the scale consists of questions to determine direct and indirect measures of beliefs based on the theory of planned behavior. We used the Pictorial rating Likert scales as original. The translation is the first step in the adaptation process. After the scale was translated into Turkish, a common Turkish version was developed by the researchers through group work. The Turkish version of the scale was translated into English by a different linguist who is an expert in both Turkish and English. To determine the content validity of the scale whose language validity was completed, it was submitted to the opinions of 10 faculty members, including pediatric nursing, public health nursing, and pedodontics experts. After receiving expert opinions, it is recommended to administer the scale to a group of approximately 20-30 individuals who have similar characteristics with the study subjects for pilot study. For the language validity of the scale, the translation-back translation technique was used, and for content validity, I-CVI and S-CVI were used Davis technique. According to Davis technique, each item of the scale was evaluated by ten faculty members who are experts in the field by choosing one of the four rating options from 1 (not relevant) to 4 (highly relevant). Item Content Validity Index (I-CVI) for each item was obtained by dividing the number of experts who chose option (3) or (4) when evaluating each item and dividing by the total number of experts. The intraclass correlation coefficient was used to evaluate the expert opinions for the content validity of the scale. Regarding reliability, the Cronbach alpha reliability coefficient was used to evaluate the internal consistency of the scale and its sub-dimensions, and Pearson product-moment correlation was used to compare item-total score correlations. Correlation and regression analysis were conducted for predictive validity. While the sample size was analyzed with Kaiser-Meyer-Olkin, its suitability for factor analysis was tested with Bartlett's Test of Sphericity, factor analysis, and principal component analysis. CFA was used to determine whether the items and subscales explained the original scale structure. CFA were performed on the same sample, the general sample was randomly split. The model verification of the comparative fit index (CFI) was conducted based on the chi-square test, degree of freedom, root mean square error of approximation (RMSEA), goodness of fit index (GFI), and normal fit index (NFI)

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Turkey (Türkiye)