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The Zung Self-Rating Depression Scale was designed by Duke University psychiatrist Dr. William W.K. Zung to assess the level of depression for patients diagnosed with depressive disorder.[1]

The Zung Self-Rating Depression Scale is a short self-administered survey to quantify the depressed status of a patient. There are 20 items on the scale that rate the four common characteristics of depression: the pervasive effect, the physiological equivalents, other disturbances, and psychomotor activities.[citation needed]

There are ten positively worded and ten negatively worded questions. Each question is scored on a scale of 1 through 4 (based on these replies: "a little of the time," "some of the time," "good part of the time," "most of the time").[citation needed]

Scores on the test range from 20 through 80. The scores fall into four ranges:[citation needed]

  • 20-49 Normal Range
  • 50-59 Mildly Depressed
  • 60-69 Moderately Depressed
  • 70 and above Severely Depressed

The Zung Self-Rating Depression Scale has been translated into many languages, including Arabic [2], Azerbaijani[3], Dutch, German, Portuguese [4], Spanish [5] and others.

See also

  • Zung Self-Rating Anxiety Scale
  • Diagnostic classification and rating scales used in psychiatry


  1. Zung, WW (1965). "A self-rating depression scale". Archives of General Psychiatry 12: 63–70. PMID 14221692.
  2. Kirkby, R; Al Saif, A; El-Din Mohamed, G (2005). "Validation of an Arabic translation of the Zung Self-Rating Depression Scale.". Annals of Saudi medicine 25 (3): 205–8. PMID 16119520.
  3. Zanqın özünüqiymətləndirmə depressiya cədvəli http://www.mentalhealth.az/default.aspx?m=Test&id=4&l=1
  4. Chagas, Marcos Hortes Nisihara; Tumas, Vitor; Loureiro, Sonia Regina; Hallak, Jaime E.C.; Trzesniak, Clarissa; De Sousa, João Paulo Machado; Ricciopo Rodrigues, Guilherme Gustavo; Filho, Alaor Santos et al. (2010). "Validity of a Brazilian version of the Zung self-rating depression scale for screening of depression in patients with Parkinson's disease☆". Parkinsonism & Related Disorders 16: 42–45. doi:10.1016/j.parkreldis.2009.07.010. http://www.prd-journal.com/article/S1353-8020(09)00198-9/abstract.
  5. Martínez, KG; Guiot, HM; Casas-Dolz, I; González-Tejera, G; Colón De Martí, LN (2003). "Applicability of the Spanish Translation of the Zung Self-Rating Depression Scale in a general Puerto Rican population.". Puerto Rico health sciences journal 22 (2): 179–85. PMID 12866143.

External links

az:Zanqın özünüqiymətləndirmə depressiya cədvəli ru:Шкала 3анга для самооценки депрессии