A population-based survey of lower urinary tract symptoms (LUTS) and symptom-specific bother: results from the Brazilian LUTS epidemiology study (BLUES).

Purpose: To examine the prevalence of lower urinary tract symptoms (LUTS) and the bother they impose in a population-based sample of adults in Brazil.

Methods: A cross-sectional population-based survey was conducted between September 2006 and January 2007 in the city of Salvador, Brazil. Cluster samples of representative households were randomly selected for interviews.