Zung Depression Scale

For each item below, which best describes how often you felt or behaved this way during the past several days.Give a number to each question based on the following:

  1. I feel down hearted and blue.
  2. Morning is when I feel the best.
  3. I have crying spells or feel like it.
  4. I have trouble sleeping at night.
  5. I eat as much as I used to.
  6. I still enjoy sex.
  7. I notice that I am losing weight.
  8. I have trouble with constipation.
  9. My heart beats faster than usual.
  10. I get tired for no reason.
  11. My mind is as clear as it used to be.
  12. I find it easy to do the things I used to.
  13. I am restless and can’t keep still.
  14. I feel hopeful about the future.
  15. I am more irritable than usual.
  16. I find it easy to make decisions.
  17. I feel that I am useful and needed.
  18. My life is pretty full.
  19. I feel that others would be better off if I were dead.
  20. I still enjoy the things I do.

Total the score for all of the questions. It will range from 20 through 80. The scores fall into four ranges as follows

The Zung Self-Rating Depression Scale was designed by Duke University psychiatrist William W.K. Zung to assess the level of depression for patients diagnosed with depressive disorder.
Zung, WW (1965). “A self-rating depression scale”. Archives of General Psychiatry 12: 63–70. doi:10.1001/archpsyc.1965.01720310065008. PMID 14221692.

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