Atividade física e comportamento sedentário: Relação com o risco cardiovascular em escolares adolescentes

Abstract

AIM: To evaluate the prevalence of inactivity/lack of physical activity and sedentary behavior among adolescent students and their association with cardiovascular risk scoring Pathobiological Determinants of Atherosclerosis in Youth. METHODS: Cross-sectional study developed in the public schools of the city of Campina Grande, Paraiba, Brazil, with 576 adolescents aged 15 to 19 years. Socioeconomic variables were studied (maternal education and economic class), demographic (age, sex and race), lifestyle (physical activity, sedentary behavior and smoking), clinical (nutritional status, abdominal adiposity and blood pressure) and biochemical (cholesterol HDL and non-HDL cholesterol, fasting glucose and glycosylated hemoglobin A1c). For data collection was used validated form; anthropometric and blood collection procedures. The study was approved by the ethics committee. The results were analyzed with SPSS 22.0. Descriptive measures were used, the Pearson chi-square test for the bivariate analysis and logistic regression binomial to test the association between and cardiovascular risk predictor. 95% confidence interval was adopted. RESULTS: The mean age was 16.8 years, most were female (66.8%), not white (78.7%), belonging to classes C, D and E (69.1%). As for the sedentary and physical activity failure, the prevalences were 78.1% and 60.2%, respectively. According to the PDAY score, 10.4% of adolescents had high cardiovascular risk, 31.8% and 57.8% intermediate risk, low. There was PDAY association with sex and abdominal adiposity. CONCLUSION: It was proved the positive association between abdominal fat and males as important cardiovascular risk factors in adolescents. Considering the presence of a modifiable risk factor, preventive measures aimed at lifestyle are essential.