Application of a Screening Test for Depression in the Health Counselling Center

概要

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This paper outlines the process of development and the clinical usefulness of a screening test for depression. First we developed a draft questionnaire consisting of 13 items, each of which had three answers-(1) often, (2) sometimes, (3) none-, with reference to certain kinds of rating scales. After each answer was quantified by the sigma method, each item was statistically analyzed among 75 depressive patients and 250 almost healthy subjects visiting the AMHTS (Automated Multiphasic Health Testing and Services) center. Then 12 items effective for discriminating between the two groups were computed by discriminant analysis to produce depression scores which varied from 0 to almost 100 in proportion to the severity of depression. This questionnaire was applied to all consultees visiting the AMHTS, and revealed that almost 1% of them showed higher scores than the threshold score. Psychiatric interviews with the subjects suspected of depression indicated that all of them were in the transient maladapted state although only ten out of 16 were referred to a psychiatric outpatient clinic for further examination and treatment. The validity of this questionnaire was also confirmed by the fact that 86% of 50 additional depressive patients showed higher scores than the threshold score.
東海大学の論文