RESUMO OBJETIVO: Verificar qual método indireto apresenta maior concordância e eficácia na identificação de excesso de gordura corporal: o Índice de Massa Corporal (IMC) ou o Índice de Adiposidade Corporal (IAC). MÉTODOS: A amostra foi constituída de 20 voluntários, com idades entre 19 e 49 anos. O nível de atividade física foi avaliado pelo IPAQ. Foram aferidos o percentual de gordura corporal através de Dobras Cutâneas, peso e altura para o cálculo do IMC e circunferência do quadril para o cálculo do IAC. Para análise dos dados foi o método de Bland Altman com nível de significância p<0,05. RESULTADOS: Observou-se que o IMC teve uma correlação inexistente com percentual de gordura (r=-0,027, p=0,907) e, em contrapartida, o IAC apresentou uma forte correlação com o percentual de gordura (r=0,816, p<0,001). É valido ressaltar que quando confrontado o IMC e o IAC obteve-se uma correlação fraca (r=0,408, p=0,073). CONCLUSÕES: O IAC apresentou forte relação com a gordura corporal, podendo ser um indicador aplicável. ABSTRACT OBJECTIVE:To determine which indirect method shows greater agreement and effectiveness in identifying excess body fat: the Body Mass Index (BMI) or Body Adiposity Index (BAI). METHODS:The sample consisted of 20 volunteers, aged 19 to 49 years. The level of physical activity was assessed by IPAQ. The percentage of body fat was measured by Skin Folds, weight and height to calculate BMI and hip circumference to calculate the BAI. Data analysis was the Bland Altman method with significance level p< 0.05. RESULTS: It was observed that BMI had a non-existent with fat percentage (r =-0.027, p= 0.907) correlation and in return, the BAI had a strong correlation with body fat percentage (r=0.816, p< 0.001). It is worth noting that when confronted BMI and BAI, gave a weak correlation (r= 0.408, p=0.073). CONCLUSIONS: The BAI had strong relationship with body fat, may be a relevant indicator.
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