Resumen

BOTH, D.R.; MATHEUS, S.C.; CORAZZA, S.T.  y  BEHENCK, M.S.. Analysis of the relationship between two methods indicators of nutritional status in students. Rev Andal Med Deporte [online]. 2014, vol.7, n.3, pp.115-121. ISSN 2172-5063.

Objective: Verify the agreement of diagnoses from the use of two methods of nutritional status indicators -body mass index (BMI) and body fat percentage (% BF)- in students of 6-12 years old from three cities of the state of Rio Grande do Sul, Brazil. Method: The study group consisted of 507 school children, 261 boys and 246 girls. Anthropometric variables were collected for the calculation of BMI and % BF, using the criteria for classification reference Conde and Monteiro (2006) and Lohman (1987), respectively. Results: The results were analyzed by Pearson correlation and Kappa index. The data showed a positive correlation of 0,89 to boys and 0,78 to girls among variables. The agreement between the methods analyzed using the Kappa index showed that 54,9% of girls and 56,7% of boys were in the same category classified by both procedures. Conclusion: It can be concluded that although they show a high correlation between BMI and % BF methods, they differ widely in classifying individuals aged 6-12 years, and this is even more pronounced in relation to low-weight category. Thus, caution is needed when using BMI as a parameter for the diagnosis of nutritional status of children.

Palabras clave : BMI; Body fat percentage; Anthropometry; Students.

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