Additional file 1: of Healthcare professionals’ perspectives on working conditions, leadership, and safety climate: a cross-sectional study WagnerAnke RiegerMonika ManserTanja SturmHeidrun HardtJuliane MartusPeter LessingConstanze HammerAntje 2019 Descriptive statistics, results of the student’s t test and effect size comparing answers by study participants of the two university hospitals. (DOCX 38 kb)