information on cookies see our Cookie Policy. (BUTTON) X Feeling stressed? The facts behind illness in the workplace Work-related stress, anxiety and depression accounts for 18% of sick days, finds ESRI Thu, Oct 20, 2016, 08:40 Updated: Thu, Oct 20, 2016, 08:41 Mark Hilliard Work-related stress, anxiety and depression accounts for nearly one in every five sick days, according to new research. Photograph: iStock Work-related stress, anxiety and depression accounts for nearly one in every five sick days, according to new research. Photograph: iStock -- A female teacher, aged between 35 and 54 years and working long hours is the most likely type of person to suffer from stress and depression, according to new research dissecting illness in the workplace. -- 50 per cent. This is followed by work-related stress, anxiety and depression (SAD) at 18 per cent. The research, published on Thursday, found the average length of absence in 2013 was 17 days for stress, anxiety and depression and 15.9 days for MSD. The average duration for all other types of work related illness was 12.8 days.