considering a sampling error of 5% of the target population, totaling a sample of 230 students (13 to 16 years old), distributed between the two larger schools in the urban area, to be evaluated during the survey. However, at the end of the research, only one school was studied, due to structural and strategic impediments. We obtained 122 participants from which the research data were evaluated, which represents, on average, 3% of the total population (
The data obtained from the application of the anamnesis questionnaires and registrations and the results will be expressed as means, standard deviations and confidence intervals. A previous significance level of 5% was established with a value of p ≤ 0.05; the results were graphically illustrated using Prism 5.0 statistical software. To ensure the privacy and integrity of students, the applied questionnaires were given codes for the analysis and reporting of results from laboratory tests.