Background: To determine incidence and remission of UI as well as changes in UI prevalence in the Norwegian EPINCONT surveys.
Methods: The EPINCONT surveys were conducted in the county of Nord-Trøndelag, Norway, as part of two large cross-sectional health surveys (HUNT2 and HUNT3) in 1995 - 1997 (EPINCONT1 (E1)), and 2006 - 2008 (EPINCONT2 (E2)). EPINCONT collected information about prevalence of UI, as well as information about type and severity of UI.