Authors: María Teresa Ruiz-Cantero; Carmen Vives-Cases; Lucía Artazcoz; Ana Delgado; Maria Mar García Calvente; Consuelo Miqueo; Isabel Montero; Rocío Ortiz; Elena Ronda; Isabel Ruiz; Carme Valls Journal: J Epidemiol Community Health Date: 2007-12 Impact factor: 3.710