Validação do peso e altura referidos para o diagnóstico do estado nutricional em uma população de adultos no sul do Brasil
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Data
2005-02
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Resumo
This study evaluated the accuracy of body mass
index (BMI) based on self-reported weight and
height for predicting adult nutritional status. In
a cross-sectional study of 3,934 adults (> 20
years) in Pelotas, Rio Grande do Sul, Brazil, a
sub-sample of 140 individuals was drawn and
weight and height were measured. From the
comparison between “measured” and “reported”
BMI, the average reported BMI error was esti-
mated and the associated factors were identi-
fied. Regardless of nutritional status, women
underestimated their “reported” BMI, while in
men this information was accurate. Among
women, age and income were associated with
underestimated BMI in a multivariate analysis.
Thus, women over 50 and with lower income
underestimated BMI by more than 2kg/m 2 . The
use of “reported” BMI to predict adult nutrition-
al status can underestimate prevalence of obesi-
ty and overestimate that of overweight in
women. Correction minimizes this kind of bias,
thereby making the data more accurate.
Descrição
Palavras-chave
Body mass index, Bias (epidemiology), Nutritional status, Índice de massa corporal, Estado nutricional, Viés (epidemiologia)
Citação
SILVEIRA, Erika Aparecida da et al. Validação do peso e altura referidos para o diagnóstico do estado nutricional em uma população de adultos no sul do Brasil. Cadernos de Saúde Pública, Rio de Janeiro, v. 21, n. 1, p. 235-245, jan./fev. 2005.