Body Mass Index and physical activity in diabetic adolescents followed in nutrition consulting at Barcelos Hospital
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Introduction: Physical activity is related to health and lifestyle and should be part of the daily routine of all
individuals since it brings many benefits to the body.
Aims: To study the adolescent population’s body mass index (BMI). To study the relation between
physical activity and gender.
Materials and Methods: We performed a quantitative, observational, analytic and cross-sectional study.
After the use of exclusion criteria, a sample of 36 individuals was selected from a population of diabetic
adolescents. A validated questionnaire was applied to collected physical activity and personal data. SPSS
22.0 was used to analyse data. The chi-square test was applied to study the relation between the level of
physical activity and gender; Fisher’s exact test was applied to study the relation between level of physical
activity and BMI;
Results and Discussion: The chi-square test showed a significant relation between level of physical
activity and gender (p-value=0.018) with moderate intensity (phi=0.4), which corroborates other national
and worldwide studies. The ratio of boys who practices physical activity (10) is statistically different from
the girls’ ratio, because it’s superior in boys. Therefore, the male gender was the one that demonstrated a
relation with physical activity. Fisher’s exact test showed no relation between BMI and the level of physical
activity (p-value=0.646).
Conclusion: 86.1% of the sampled diabetic adolescents are eutrophic, and 66.7% are considered
insufficiently active. A significant relation was found between gender and level of physical activity, namely,
in the male gender. No relation was found between BMI and level of physical activity.
