Departmental Bulletin Paper 〔報 文〕大学生における抑うつ症状および非定型うつ特徴とその関連要因の検討
Factors Associated with Depression and Atypical Depression in Japanese University Students

小西, 香苗  ,  百武 , 愛子

(902)  , pp.21 - 33 , 2015-12-01 , 昭和女子大学
ISSN:13480103
NCID:AN00038441
Description
Objectives: The prevalence of depression appears to have increased over the past two decades in Japan. Recently, atypical depression which is a subtype of depression has been increasing among young adult women. Although the relationship between depression and modifiable lifestyle factors has been reported, the factors associated with atypical depression have not been examined in Japan. We examine the factors associated with depression and atypical depression in Japanese University students. Methods: Subjects were 568 University students. Depressive symptoms were assessed using the Center for Epidemiologic Studies Depression(CES-D)Scale. Atypical depression features were understood to include the presence of ten major features, including significant weight gain or increase in appetite, hypersomnia, leaden paralysis, and interpersonal rejection sensitivity. To investigate risk factors for depressive symptoms and atypical depression features, logistic regression analysis was conducted. Results: Forty-five percent of subjects(men: 31.9%, women: 49.0%)were identified as having depressive symptoms. There was sexual difference in atypical depression features; women were significantly more likely to experience "craving for sweets", "presence of bulimia" and to be "more depressed at night." The multivariate-adjusted odds ratios(OR)and 95% confidence intervals(95%CI)of having depressive symptoms and atypical depression features for self-rated health among female students were 4.35(95%CI: 2.05-9.25)and 3.22(95%CI: 1.63-6.39), respectively. The odds ratio for stress was highest among modifiable lifestyle factors. Furthermore, the factors associated with atypical depression were "eating snacks and/or nighttime eating"(OR: 1.70, 95%CI: 1.04-2.77), and "smoking"(OR: 3.68, 95%CI: 1.22-11.10)among women. Conclusion: The results of this study suggest that stress is a major risk factor for both depressive symptoms and atypical depression features. According to these results about atypical depression, the factors associated with atypical depression were "eating snacks and/or nighttime eating", and "smoking" in women.
Objectives: The prevalence of depression appears to have increased over the past two decades in Japan. Recently, atypical depression which is a subtype of depression has been increasing among young adult women. Although the relationship between depression and modifiable lifestyle factors has been reported, the factors associated with atypical depression have not been examined in Japan. We examine the factors associated with depression and atypical depression in Japanese University students. Methods: Subjects were 568 University students. Depressive symptoms were assessed using the Center for Epidemiologic Studies Depression(CES-D)Scale. Atypical depression features were understood to include the presence of ten major features, including significant weight gain or increase in appetite, hypersomnia, leaden paralysis, and interpersonal rejection sensitivity. To investigate risk factors for depressive symptoms and atypical depression features, logistic regression analysis was conducted. Results: Forty-five percent of subjects(men: 31.9%, women: 49.0%)were identified as having depressive symptoms. There was sexual difference in atypical depression features; women were significantly more likely to experience "craving for sweets", "presence of bulimia" and to be "more depressed at night." The multivariate-adjusted odds ratios(OR)and 95% confidence intervals(95%CI)of having depressive symptoms and atypical depression features for self-rated health among female students were 4.35(95%CI: 2.05-9.25)and 3.22(95%CI: 1.63-6.39), respectively. The odds ratio for stress was highest among modifiable lifestyle factors. Furthermore, the factors associated with atypical depression were "eating snacks and/or nighttime eating"(OR: 1.70, 95%CI: 1.04-2.77), and "smoking"(OR: 3.68, 95%CI: 1.22-11.10)among women. Conclusion: The results of this study suggest that stress is a major risk factor for both depressive symptoms and atypical depression features. According to these results about atypical depression, the factors associated with atypical depression were "eating snacks and/or nighttime eating", and "smoking" in women.
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