Key result
Multiple cardiovascular risk factors in Brazilian schoolchildren increase over time to reach ~35% prevalence.
Why the study?
Cardiovascular diseases in adulthood result from an interaction among risk factors originating during childhood and adolescence, prompting comparison of cardiovascular risk factors in schoolchildren across a 15-year interval.
Has the prevalence and clustering of cardiovascular risk factors in Brazilian schoolchildren changed over a 15-year interval?
Cross-Sectional (n=1,232)
Has the prevalence and clustering of cardiovascular risk factors in Brazilian schoolchildren changed over a 15-year interval?
p-value: p=<0.001
There has been a significant exponential increase in physical inactivity, abdominal obesity, and the clustering of multiple cardiovascular risk factors among Brazilian adolescents over a 15-year period.
Supports monitoring CV risk clustering in Brazilian youth; leaves open effective prevention strategies.
OBJECTIVE: There is evidence demonstrating that cardiovascular diseases (CVD) manifesting during adulthood result from an intense interaction among risk factors that may have originated during childhood and adolescence. To compare the prevalence and clustering of cardiovascular risk factors in Brazilian schoolchildren with a 15-year interval between samples. METHODS: A cross-sectional analysis based on the scores for cardiovascular risk factors was used to investigate 1,232 Brazilian schoolchildren of both sexes aged 12 to 18 years. The data of 596 schoolchildren of the 2000 sample were compared to those of 636 schoolchildren of the 2015 sample. RESULTS: The prevalence of physical inactivity and abdominal obesity increased exponentially in both sexes from 2000 to 2015. The score for the clustering of cardiovascular risk factors showed that in 2000 the adolescents were exposed to 1 cardiovascular risk factor (31.7%), while in 2015 the greatest percentage was assigned to the category of 3 or more cardiovascular risk factors (34.9%), p < 0.001. CONCLUSION: The present results demonstrate a high prevalence of exposure to health risk behaviors of the adolescents studied over time. Considering the presence of modifiable risk factors, preventive measures regarding life style are essential.
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Casagrande et al. (2020) conducted a cross-sectional in Cardiovascular risk factors (n=1,232). 2015 cohort vs. 2000 cohort was evaluated on Prevalence and clustering of cardiovascular risk factors (p=<0.001). The prevalence of having 3 or more cardiovascular risk factors among Brazilian schoolchildren increased significantly over a 15-year period, reaching 34.9% in 2015 (p < 0.001).
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