Zuckerman-Kuhlman's Personality Questionnaire in Patients With Major Depression

Abstract

Depression influences personality measures like Eysenck's Big Three, Costa and McCrae's Big Five or Cloninger's Seven Factor models, and might also affect Zuckerman-Kuhlman's Personality Questionnaire (ZKPQ), an alternative five-factor model. The authors therefore tested ZKPQ in 85 patients suffering from major depression and in 82 healthy subjects in order to clarify this effect. Depressive mood was measured with Plutchik – van Praag's Depression Inventory (PVP). Patients scored significantly higher on PVP, Neuroticism-Anxiety and Aggression-Hostility, but lower on Activity and Sociablity than did healthy volunteers. In the general sample (N = 167), Neuroticism-Anxiety and Aggression-Hostility scores were positively correlated, while the Sociability score was negatively correlated with the PVP score. These results indicate that when the clinical significance relating to personality traits in patients is interpreted, depressive mood must also be considered.

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“…The PVP is interchangeable with other well-known inventories such as the Beck Depression Inventory, the Zung Depression Scale, the Center for Epidemiologic Studies-Depression Questionnaire, and the Minnesota Multiphasic Personality Inventory Depression Scale. It has also been shown to be valid in the Chinese culture and been used in other studies 28,29…”

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“…Participants have "possible depression" if they score between 20 and 25, or "depression" if they score higher than 25. The internal reliability of the inventory is 0.94 in a Chinese sample [41] .…”

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“…Women have "possible depression" if they score between 20 and 25, or "depression" if they score more than 25 (21). The internal (Cronbach's α) reliability of this inventory is 0.94 in Chinese population (22).…”