Prevalence and factors associated to chronic kidney disease in older adults

OBJECTIVE: To verify the prevalence of chronic kidney disease and the factors associated to it in older adults (>= 60 years). METHODS: This is a population-based research conducted in 2014, involving 1,016 older adults living in urban and rural areas of the municipality of Rio Branco, Acre. Chronic kidney disease was defined by glomerular filtration rate < 60 ml/min/1.73 m(2), estimated by the equations of the Chronic Kidney Disease Epidemiology Collaboration, and the presence of albuminuria > 29 mg/g. Association measure were estimated by gross and adjusted odds ratio (OR), with a confidence level of 95% (95%CI). RESULTS: The overall prevalence of chronic kidney disease was 21.4% in older adults, with the associated factors age, diabetes (OR = 3.39; 95%CI 2.13-5.40), metabolic syndrome (OR = 2.49; 95%CI 1.71-3.63), self-assessment of poor health (OR = 1.79; 95%CI 1.10-2.91), arterial hypertension (OR = 1.82; 95%CI 1.04-3.19) and obesity (OR = 1.69; 95%CI 1.02-2.80). CONCLUSIONS: The prevalence of chronic kidney disease was high in older adults, being associated with age, self-assessment of health as bad or very bad, obesity, diabetes and metabolic syndrome.