Job burnout is associated with slow improvement of quality of life in the employees after a first episode of acute coronary syndrome: A hospital-based longitudinal study in China

•Influence of occupational factors on prognosis of coronary disease is barely known.•This is a 1-year longitudinal study with 4 repeated measures among employees.•Job burnout is associated with slow improvement of quality of life.•Effects of job burnout is independent of depression and anxiety.