Can Schoolchildren Substitute Mothers’ Reports of Cariogenic Foods Consumption?


  • Isabela Lorenzoni Dreher
  • Rafaela Herrmann
  • Fernanda Morais Ferreira
  • Luciano Casagrande
  • Tathiane Larissa Lenzi


Child, Diet, Cariogenic, Dental Caries


Objective: To investigate the influence de two instruments for evaluation of cariogenic foods consumption by schoolchildren. Material and Methods: The convenience sample comprised of 30 active-caries children (7-10 years old) attended in a public dental clinic and their mothers, who have not received dietary orientation before study. A trained evaluator administered the Previous Day Food Questionnaire (PDFQ) to children and other examiner applied the 24-hour dietary recall with mothers. Internal consistency between PDFQ and 24-hour dietary recall regarding frequency of sugar intake was calculated using intraclass correlation coefficient. Bivariate analyses (Mann-Whitney test) were performed to investigate the factors associated with frequency of sugar intake when using both instruments (α=0.05). Results: A moderate correlation (ICC = 0.51; 95%CI: -0.04–0.77; p=0.03) was found between instruments. Mean frequency of sugar intake reported by mothers and children was 3.5 (± 1.8) and 3.7 (± 1.5) times a day, respectively. When using the PDFQ, the frequency of cariogenic foods consumption varied depending on frequency of toothbrushing, i.e., children that had higher frequency of sugar intake brushed their teeth at least two times a day (p=0.016). Conclusion: Previous Day Food Questionnaire applied with schoolchildren could substitute the mothers’ reports of cariogenic foods consumption when dietary interventions for controlling dental caries are necessary. If doubts remain regarding the children’s response, mothers should be consulted.


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How to Cite

Dreher, I. L. ., Herrmann, R. ., Ferreira, F. M., Casagrande, L. ., & Lenzi, T. L. . (2021). Can Schoolchildren Substitute Mothers’ Reports of Cariogenic Foods Consumption?. Pesquisa Brasileira Em Odontopediatria E Clínica Integrada, 21, e0228. Retrieved from



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