The impact of perceived work dirtiness on nursing students' professional commitment: the mediating role of career adaptability and the moderating role of social support - a cross sectional study.

Background: Social consensus in the nursing industry is that the job is accompanied by dirtiness. It is generally accepted that negative cognition about a career is an important determinant in reducing nursing students' professional commitment. However, the impact of nursing students' perceived work dirtiness on professional commitment and its mechanism remains unclear.