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KMID : 0389520130200020082
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Sleep Medicine.Psychophysiology
2013 Volume.20 No. 2 p.82 ~ p.87
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Circadian Preference and Defense in Medical Students : Greater Consumption and Lesser Sublimation Predicting Eveningness
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Lee So-Jin
Park Chul-Soo
Kim Bong-Jo
Lee Cheol-Soon
Cha Bo-Seok
Kang Hyo-Seung
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Abstract
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Objectives: Previous studies have reported an association between circadian preference and personality. Defense mechanism is unconscious ego process which deals with an individual’s anxiety and is closely associated with one’s personality. Our aim is to investigate the association between defense mechanism and circadian preference in medical students.
Methods: One hundred forty eight medical students (70 males, 78 females), aged 22 to 30, answered the Beck Depression Inventory-II, Morningness-eveningness Questionnaire, and Korean version of Defense Style Questinnaire.
Results: Consumption (beta=-0.262, p=0.001) and being a male (beta=0.175, p=0.031) were significant positive predictors of eveningness, while sublimation (beta=0.185, p=0.023) was a significant negative predictor of eveningness.
Conclusion: Our study showed a relationship between specific defense mechanisms (i.e., consumption and sublimation) and eveningness in medical students, but it did not address whether the relationship is a causal one.
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KEYWORD
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Eveningness, Consumption, Sublimation, Medical students
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