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KMID : 1118520150120010016
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Psychiatry Investigation
2015 Volume.12 No. 1 p.16 ~ p.22
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The Relationship between Type D Personality and Suicidality in Low-Income, Middle-Aged Adults
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Yoon Dae-Hyun
Kim Seog-Ju
Lee Jong-Ha
Kim Pyo-Min
Park Doo-Heum
Ryu Seung-Ho
Yu Jae-Hak
Ha Jee-Hyun
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Abstract
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Objective : Low-income adults are considered to be a group at high risk for suicide. We sought to examine the effect of type D personality and other socio-demographic factors on suicidality in low-income, middle-aged Koreans.
Methods : In total, 306 low-income, middle-aged Koreans [age: 49.16±5.24 (40?59) years, 156 males, 150 females] were enrolled from the Korean National Basic Livelihood Security System. Socio-demographic data, including employment status, income, health, marital status, and educational attainment, were gathered. Beck’s 19-item Scale for Suicidal Ideation (SSI) was applied to evaluate suicidality, and the DS14 was used to assess type D personality.
Results : Unemployment (p<0.01) and absence of spouse (p=0.03) predicted higher SSI scores independent of other socioeconomic factors. All type D personality scores [i.e., negative affectivity (NA), social inhibition (SI), and total score] predicted higher SSI scores independent of all socioeconomic factors (all, p<0.001). Subjects with type D personality had higher SSI scores (p<0.001), and the association between suicidality and socio-demographic factors (employment or physical health) could be found only in subjects without type D personality.
Conclusion : Type D personality was a risk factor for suicide in low-income Koreans, independently from socio-economic factors. In addition, the socio-demographic factors were less prominently associated with suicidality in those with type D personality.
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KEYWORD
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Suicide, Low-income, Type D personality.
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