Review
Copyright ©The Author(s) 2016.
World J Gastroenterol. Sep 14, 2016; 22(34): 7625-7644
Published online Sep 14, 2016. doi: 10.3748/wjg.v22.i34.7625
Table 6 Patient health questionnaire-2
PHQ-2
Over the past month, have you felt down, depressed, or hopeless?
Over the past month, have you felt little interest or pleasure in doing things?