Prevalência e fatores associados à obesidade em idosos residentes em Pelotas, Rio Grande do Sul, Brasil: classifi cação da obesidade segundo dois pontos de corte do índice de massa corporal
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Data
2009-07
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Resumo
The aim of this study was to estimate obesity
prevalence and associated factors in the el-
derly, according to two cutoff points for body
mass index (BMI). This was a cross-sectional,
population-based study of a sample of 596
elderly residents in Pelotas, southern Bra-
zil. Nutritional status was evaluated through
BMI based on self-reported weight and stat-
ure. Poisson multiple regression with hierar-
chical analysis was applied, with two depen-
dent variables for definition of obesity: BMI >
27kg/m2 and BMI ≥ 30kg/m2, the cutoff points
proposed by Lipschitz and the World Health
Organization, respectively. Prevalence of obe-
sity was 48.7% (95%CI: 44.6-52.7) for BMI >
27kg/m2 and 25.3% (95%CI: 21.9-29.0) for BMI
≥ 30kg/m2. Two multiple regression models
showed an association between obesity and fe-
male gender and age. BMI > 27kg/m 2 showed
an association with age and smoking and BMI
≥ 30kg/m2 with sedentary lifestyle. Obesity
prevalence was high in this group of elderly.
For the Brazilian elderly population and from
a public health perspective, the study suggests
the use of a more sensitive cutoff point, namely
BMI > 27kg/m 2 .
Descrição
Palavras-chave
Aged, Prevalence, Obesity, Nutritional assessment, Body mass index, Idoso, Prevalência, Obesidade, Avaliação nutricional, Índice de massa corporal
Citação
13- SILVEIRA, Erika Aparecida; KAC, Gilberto; BARBOSA, Larissa Silva. Prevalência e fatores associados à obesidade em idosos residentes em Pelotas, Rio Grande do Sul, Brasil: classificação da obesidade segundo dois pontos de corte do índice de massa corporal. Cadernos de Saúde Pública, Rio de Janeiro, v. 25, n. 7, p. 1569-1577, jul. 2009.