Resumo

ZEBERIO, Nora et al. Nutritional status of school-aged children and its relation to blood pressure. Arch. argent. pediatr. [online]. 2013, vol.111, n.2. ISSN 0325-0075.  http://dx.doi.org/http://dx.doi.org/10.5546/aap.2013.92.

Introduction. Obesity is associated with a wide range of cardiovascular and metabolic diseases. Objective. To establish an association between the nutritional status of 6-10 year old boys and girls and blood pressure. Population and Methods. A cross-sectional, analytical study was conducted in 6-10 year old schoolboys and schoolgirls. Outcome measures and indicators studied included nutritional status as per body mass index; presence of central fat mass distribution estimated by waist circumference; and blood pressure (height, age and gender tables). Differences in mean values were analyzed using a Student's t test. The relationship between outcome measures was estimated using Pearson's correlation coefficient. Linear regression models were adjusted for systolic blood pressure and diastolic blood pressure using the following explanatory outcome measures: z scores for body mass index, age, gender and waist circumference. Results: Five hundred and fifty five male and female children were evaluated; they were all younger than 11 years old. A total of 26.3% was overweight and 15.1% was obese. The prevalence of hypertension was 1.08%. Results show a positive linear relationship between systolic and diastolic blood pressure, and age and waist circumference, and a trend is observed between systolic blood pressure and the body mass index z score (p= 0.068). Conclusion. Overweight and obesity were the most common nutritional disorders in schoolaged children in the studied district; there is an association between age, waist circumference, and systolic and diastolic blood pressure, and between systolic blood pressure and the body mass index z score.

Palavras-chave : Children; Nutritional status; Obesity; Overweight; Prevalence; Pypertension.

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