Patient Health Questionnaire (PHQ-9)
Over the last 2 weeks, how often have you been bothered by any of the following problems?
0 = Not at all
1 = Several days
2 = More than half the days
3 = Nearly every day
Over the last 2 weeks, how often have you been bothered by any of the following problems?
0 = Not at all
1 = Several days
2 = More than half the days
3 = Nearly every day