Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Flow chart of participants.
Abbreviations: OP, occupational physician; CAU, care as usual; PHQ-9, Depression scale of the Patient Health Questionnaire; PHQ-15, Somatization scale of the Patient Health Questionnaire; GAD-7, Generalized Anxiety Disorder scale.
