Associação entre comportamento sedentário e diabetes em idosos de baixa renda na cidade de Ibicuí-BA: pesquisa populacional brasileira

The aim of this study was to estimate a cut-off point in the time spent in sedentary behavior as a discriminator of the presence of diabetes mellitus in the elderly population. Methods: cross-sectional study, population-based, with data from 310 low-income elderly people from Ibicui-BA, Brazil, randomly selected. Sedentary behavior was assessed by time spend in sitting week and weekend, and diabetes was assed by self-reported. The data were analyzed using descriptive statistics, Received Operations Curve, and Poisson regression (p ≤ 0.05). The mean time spent in sedentary activities was 272.63 ± 163.71 min/day. The overall prevalence of diabetes was 13.5%. The sociodemographic characteristics, life habits and presence of diabetes have not been shown a statistically significant association (p> 0.05). The area under the ROC curve was 0.60, 95% CI (0.54-0.65) and p=0.003 and the cutoff point was >325 min/day which best discriminated the presence of diabetes mellitus between the elderly people. The raw and adjusted analysis for the association between sedentary behavior and diabetes revealed no association between the variables. It was identified that the time spent in sedentary behavior has a good discriminatory capacity for the presence of diabetes mellitus. On the other hand, there was no association between the first one and the presence of Diabetes, after adjustment for the intervening variables.