Anthropometric measurements predictive of high blood pressure in adolescents
DOI:
https://doi.org/10.24220/2318-0897v22n3a2139Keywords:
Adolescent health, Overweight, Body mass index, Sensibility and specificityAbstract
Objective
To assess whether waist circumference and body mass index can identify adolescents with high blood pressure.
Methods
This is a cross-sectional study with adolescents from the city of Portão, Rio Grande do Sul. Body mass index was calculated, and the children were classified according to the World Health Organization's growth charts and to Conde & Monteiro's classification system. Waist circumference was classified as recommended by Taylor et al. and
Katzmarzyk et al. Blood pressure was measured by a digital monitor.
Results
The prevalence of high blood pressure was 13.4a/,. Anthropometric measurements were significantly correlated with systolic and diastolic blood pressures. The sensitivity
of the Brazilian body mass index classification in ídentifying adolescents with high blood pressure was higher than that of the World Health Organization’s growth charts (66.2% vs 58.8%). Katzmarzyk's et al, classification of waist circumference was more sensitive than Taylor's et al. and body mass index classification. The area under the curve was similar for body mass index and waist circumference, ranging from 0.70 to
0.89 for adolescents up to 14 years of age and from 0.57 to 0,77 for adolescents older than 14 years,
Conclusion
Body mass index and waist circumference are simple and ínexpensive measurements that can be used for identifying adolescents at high risk of high blood pressure. The Brazilian body mass index classification and Katzmarzyk’s et al. waist circumference classification identified adolescents with high blood pressure well.
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References
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