Abstract
Purpose
To evaluate the validity and reliability of the Child Perceptions Questionnaire 11–14 (CPQ11-14) for children attending public educational institutions in Floridablanca (Colombia).
Methods
An evaluation study of diagnostic technology was conducted. The questionnaire was completed by 500 students aged 11–14 years who were selected by simple random sampling. The test–retest reproducibility was evaluated in 36 students chosen at random from one of the schools; the questionnaire was completed a second time by these students, with an interval of two weeks between administrations. Internal consistency was estimated using the Cronbach’s alpha coefficient, and test–retest reproducibility was determined with the intraclass correlation coefficient (ICC). The Rasch Rating Scale Model was used to perform the validation; the structure of the categories, the quality of the items, the invariance and the one-dimensionality were analyzed; invariance was confirmed using differential item functioning (DIF). Informed consent was obtained from the parents or guardians, and assent was obtained from the minors.
Results
The mean age was 12.7 ± 1.1 years, and 210 (42.0%) participants were female. The Cronbach's alpha and ICC values were 0.91 and 0.63, respectively. The 37 items fit the Rasch model, but a uniform DIF was observed for an item that was eliminated. The questionnaire was not one-dimensional, and the proportion of variance explained by the model was poor (26.3%).
Conclusion
The CPQ11-14 showed unsatisfactory test–retest reproducibility and excellent internal consistency; no unidimensionality was observed, but the items fit the Rasch model.
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Acknowledgments
Thanks to Dr. Jenny Abanto for her kindness in providing the translated version of the CPQ11-14 adapted for Peru. Thanks to the educational institutions, parents and participating children.
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Aura D. García: contributed to the planification of the study, collected the data, digited the information, co-wrote and review this manuscript. Jose L. Pineda: contributed to the planification of the study, collected the data, digited the information, co-wrote and review this manuscript. Diego Chaparro: contributed to the planification of the study, collected the data, digited the information, co-wrote and review this manuscript. Juliana Duque: contributed to the planification of the study, collected the data, digited the information, co-wrote and review this manuscript. Martha J. Rodríguez: conceived and designed the analysis, performed the analysis, co-wrote and review this manuscript.
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This research was approved by the Ethics Committee of the School of Dentistry at the Universidad Santo Tomás with the number 24032016.
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García, A.D., Pineda, J.L., Chaparro, D. et al. Validity and reliability of the Child Perceptions Questionnaire 11–14 for Colombian school children. Eur Arch Paediatr Dent 22, 497–506 (2021). https://doi.org/10.1007/s40368-020-00587-x
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DOI: https://doi.org/10.1007/s40368-020-00587-x