Table 1.

The PHQ 1999 Pfizer Inc. All rights reserved.

Over the past 2 weeks, how often have you been bothered by any of the following problems?	Not at All	Several days	More than half the days	Nearly every day
1. Little interest or pleasure in doing things	0	1	2	3
2. Feeling down, depressed, or hopeless	0	1	2	3