OBJECTIVE: To examine factors associated with suicide in prisoners. DATA SOURCES: Studies were identified through electronic searches of MEDLINE (1950-February 2007), PsycINFO (1806-February 2007), EMBASE (1974-February 2007), and CINAHL (1982-February 2007) without language restriction using the search terms prison, jail, felon, detainee, penal, and custody combined with suicide. STUDY SELECTION: Included studies were investigations that reported on prisoners dying by suicide who were compa...