[Zung's self-rating depression scale].

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