“A body shape index” and its association with arterial hypertension and diabetes mellitus among Brazilian older adults: National Health Survey (2013)
AUTOR(ES)
Nascimento-Souza, Mary Anne
FONTE
Cad. Saúde Pública
DATA DE PUBLICAÇÃO
12/08/2019
RESUMO
O estudo teve como objetivo avaliar a associação isolada e conjunta dos indicadores de adiposidade abdominal (a body shape index - ABSI, circunferência da cintura - CC, razão cintura-estatura - RCE) e índice de massa corporal (IMC) com a hipertensão arterial e o diabetes mellitus em idosos brasileiros. Foram usados dados da Pesquisa Nacional de Saúde (PNS 2013) para a população com 60 anos ou mais (10.537 idosos). A hipertensão arterial e o diabetes mellitus foram auto-relatados, e os seguintes índices antropométricos foram avaliados através da aferição direta: índice de formato corporal ABSI, IMC, CC e RCE. As associações foram avaliadas por regressão logística, com ajustes para fatores de confusão. Os resultados do estudo evidenciaram uma associação mais forte entre o relato de hipertensão arterial e diabetes mellitus em análises separadas com IMC, CC e RCE na população idosa brasileira, quando comparado ao ABSI. Quando ajustado para IMC, o ABSI mostrou uma associação mais forte com os desfechos, mas não foi superior ao desempenho da CC ou da RCE. Considerando a associação mais fraca nas análises separadas e conjuntas entre o novo índice (ABSI) e as doenças crônicas avaliadas, o IMC, CC e RCE ainda são índices úteis na saúde pública, pelo menos em relação à hipertensão arterial e ao diabetes mellitus em idosos brasileiros.The aim was to evaluate the separate and joint association of abdominal adiposity indicators (a body shape index - ABSI, waist circumference - WC, waist-to-height ratio - WHtR) and body mass index (BMI) with arterial hypertension and diabetes mellitus, in Brazilian older adults. Data from the 2013 Brazilian National Health Survey (PNS 2013) were used for the population aged 60 years or older (10,537 older adults). Arterial hypertension and diabetes mellitus outcomes were self-reported and the following anthropometric indices were evaluated by direct measurement: a ABSI, BMI, WC and WHtR. Associations were assessed by logistic regression, with adjustments for confounding factors. The results of this study evidenced a higher strength of association between the report of arterial hypertension and diabetes mellitus with BMI, WC and WHtR in the Brazilian population of older adults in separate analyses, when compared to ABSI. When adjusted for BMI, ABSI showed a greater strength of association with the outcomes, but it was not superior to the performance of WC and WHtR. Considering the lower strength of association, in separate and joint analyses, between the new index (ABSI) and the chronic conditions assessed, BMI, WC and WHtR probably remain as useful indices in public health, at least in relation to arterial hypertension and diabetes mellitus in Brazilian older adults.
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