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Arquivos Brasileiros de Cardiologia

versão impressa ISSN 0066-782Xversão On-line ISSN 1678-4170

Resumo

TOZO, Tatiana Affornali et al. Hypertensive Measures In Schoolchildren: Risk Of Central Obesity And Protective Effect Of Moderate-To-Vigorous Physical Activity. Arq. Bras. Cardiol. [online]. 2020, vol.115, n.1, pp.42-49.  Epub 07-Ago-2020. ISSN 1678-4170.  https://doi.org/10.36660/abc.20180391.

Background

The proportion of arterial hypertension (AH) has increased in children and adolescents and is associated with several comorbidities.

Objective

To verify the association of arterial hypertension with central and general obesity as well as according to the level of physical activity in schoolchildren.

Methods

336 children and adolescents aged 11 to 17 participated in the study. Height, body weight, waist circumference (WC) and blood pressure (BP) were measured. The body mass index z-score (BMI-z) was calculated. The level of physical activity was assessed by the short form of the International Physical Activity Questionnaire (IPAQ) according to the practice of moderate-to-vigorous physical activities (AF-mv). Students with systolic (SBP) and/or diastolic blood pressure (DBP) higher than the 95thpercentile according to sex, age and height or ≥120/80 were considered hypertensive. Statistical tests of t-Student, Chi-square, Mann-Whitney and binary logistic regression model were used, considering the significance level of p<0.05.

Results

It was found that 40.5% of the students had AH, 35.11% were overweight (12.5% obese), 13.39% had high WC and 40.2% were considered insufficiently active in AF-mv. The chances of AH were related to high WC (OR = 6.11; 95% CI: 2.59¬–14.42) and overweight (OR = 2.91; 95% CI: 1.76–4.79). In addition, adolescents who practiced AF-mv had a lower risk of high DBP (OR = 0.33; 95% CI: 0.15–0.72).

Conclusion

Central obesity was the best predictor of AH in children and adolescents, as well as general obesity and males. The practice of AF-mv demonstrated a protective effect on high DBP in schoolchildren. (Arq Bras Cardiol. 2020; 115(1):42-49)

Palavras-chave : Child; Adolescent; School Children; Physical Activity; Waist Circumference; Body Mass Index; Hipertension; Blood Pressure.

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