Not at all (0)
Several days (1)
More than half the days (2)
Nearly every day (3)
Little interest or pleasure in doing things.
Feeling down, depressed, or hopeless.
Trouble falling or staying asleep, or sleeping too much
Feeling tired or having little energy
Poor appetite or overeating
Feeling bad about yourself — or that you are a failure or have let yourself or your family down
Trouble concentrating on things, such as reading the newspaper or watching television
Moving or speaking so slowly that other people could have noticed? Or the opposite — being so fidgety or restless that you have been moving around a lot more than usual
Thoughts that you would be better off dead or of hurting yourself in some way