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KMID : 0389520220290010021
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Sleep Medicine.Psychophysiology
2022 Volume.29 No. 1 p.21 ~ p.28
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Association Between Chronotype, Sleep Quality and Resilience as Well as Anxiety Among Medical Students
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Kim Jee-In
Kim Bong-Jo
Lee Chul-Soon
Cha Bo-Seok
Lee So-Jin
Lee Dong-Yun
Seo Ji-Yeong
Choi Jae-Won
Lee Young-Ji
Lim Eun-Ji
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Abstract
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Objectives: Our study aimed to investigate the relationship between the anxiety at first year and chronotype and sleep quality at third year in medical students. We also investigated the association between sleep quality, chronotype, depression and resil￢ience at third year.
Methods: Fifty two medical students (36 males, 69%, aged 21 ± 0.93) in first year, and forty four medical students (31 males, 70.5%, aged 23.05 ± 0.99) at third year answered Beck Depression Inventory 2, Beck anxiety inventory, Insomnia severity in￢dex-K, Composite scale of morningness and Conner-Davidson Resilience scale-10. Multiple linear regression analysises were performed to identify predictors of chronotype, sleep quality and resilience.
Results: Higher anxiety (β = -0.434, p = 0.006) at first year was significant predictor of eveningness at third year, while lower anxiety score (β = 0.606, p < 0.001) at first year was significant predictor of sleep quality at third year. Lower sleep quality (β = -0.314, p = 0.042) and eveningness (β = 0.315, p = 0.041) were associated with low resilience at third year. Also, Lesser de￢pression (β = -0.717, p < 0.001) was associated with higher resilience at third year.
Conclusion: Our study showed that higher anxiety in first year had significantly related with eveningness and poor sleep quality at third year. In addition, higher sleep quality, morningness and less depression had significantly associated with better resilience at third year.
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KEYWORD
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Anxiety, Chronotype, Depressionl, Medical students, Resilience, Sleep quality
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