Chronobiological study about the effect of mobile phone dependence on sleep rhythm and depression among university students
Project/Area Number |
15K01682
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Applied health science
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Research Institution | Shimane University |
Principal Investigator |
EZOE Satoko 島根大学, 学術研究院教育研究推進学系, 教授 (40232954)
|
Co-Investigator(Kenkyū-buntansha) |
井上 顕 高知大学, 教育研究部医療学系臨床医学部門, 教授 (40469036)
飯田 忠行 県立広島大学, 保健福祉学部(三原キャンパス), 教授 (50290549)
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Project Period (FY) |
2015-04-01 – 2019-03-31
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Project Status |
Completed (Fiscal Year 2018)
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Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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Keywords | スマートフォン依存 / 睡眠 / 抑うつ / 大学生 / クロノタイプ / 質問紙調査 / Actiwatch / 信頼性 / 妥当性 / うつ / 因子分析 |
Outline of Final Research Achievements |
We administered a self-report questionnaire to 149 university students and developed Japanese version of Smartphone Dependence Scale (J-SDS). According to exploratory factor analysis, the final scale consisted of 5 factors:1) craving and withdrawal, 2)overuse and tolerance, 3)virtual life orientation, 4)disturbance of concentration in classs, and 5)physical symptoms. Cronbach's alpha value for the J-SDS was 0.92. The J-SDS score became significantly higher with longer hours of smartphone use. Our results suggest that the J-SDS is a reliable and valid scale for screening university students who may be at risk of developing smartphone dependence. Furthermore, results of multivariate logistic regression analysis indicated that scores for the J-SDS and the Pittsburgh Sleep Quality Index (PSQI) were significantly related to Beck Depression Inventory (BDI) score. Our results suggest that smartphone dependence and poor sleep quality are associated with depressive state in students in Japan.
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Academic Significance and Societal Importance of the Research Achievements |
青少年におけるスマートフォン(以下スマホ)依存は、わが国において非常に重要な問題になっているが、それを評価する信頼性及び妥当性のある尺度はほとんど開発されていない。そこで、今回信頼性及び妥当性のあるスマホ依存スケールを開発したことは、今後のスマホ依存研究にとって有意義なことだと考えられる。また、スマホ依存は睡眠と抑うつに関連している可能性があり、大学生を対象にして、他の要因の影響をコントロールした上で、スマホ依存と睡眠の質が抑うつと有意に関連していることを示すことができたことは、大学生のメンタルヘルス向上のための施策を立てる上で意義があると思われる。
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Report
(5 results)
Research Products
(65 results)
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[Journal Article] Effects of musical experience on the autonomic nervous system activity of people listening to different types of sound.2019
Author(s)
Iida, T, Nishioka, R, Kawabata, N, Kunishige, M, Tagawa, A, Iida, K, Shingu, K, Sameshima, M, Harada, T
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Journal Title
International Medical Journal
Volume: 26
Pages: 43-45
Related Report
Peer Reviewed / Open Access
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[Journal Article] An attempt to reduce the volume of iodinated contrast media using single-source dual-energy computed tomography for application to patients with decreased renal function.2019
Author(s)
Tsukamoto, T, Iida, T, Takahata, T, Sugimoto, T, Sato, T, Nishihara, K, Maesaki, K, Mori, H
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Journal Title
International Medical Journal
Volume: 26
Pages: 101-105
Related Report
Peer Reviewed / Open Access
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[Journal Article] Ongoing efforts coordinated by personnel in numerous areas and disciplines to encourages local children to lead healthy lifestyles during early childhood, later childhood, and early adolescence.2019
Author(s)
Inoue, K, Fujita, Y, Takeshita, H, Hashioka, S, Kamura, M
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Journal Title
J St Mar Med Uns
Volume: 19
Pages: 25-28
NAID
Related Report
Peer Reviewed / Open Access
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[Journal Article] Influence of a program combining amusement and exercise on subjective well-being: Six-month intervention study with a complex-type program for community-dwelling elderly subjects.2018
Author(s)
Kawabata, N, Iida, T, Miyaguchi, H, Ishizuki, C, Hashimoto, H, Ito, Y, Harada, T
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Journal Title
Open J Prev Med
Volume: 8
Pages: 266-281
Related Report
Peer Reviewed / Open Access
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[Journal Article] Effects of lemon beverages on bone metabolism and bone mineral density in postmenopausal women: A double-blind, controlled intervention study with Ca-supplemented and unsupplemented lemon beverages2018
Author(s)
Ikeda, H, Iida, T, Hiramatsu, M, Inoue, T, Aoi, S, Ishizaki, F, Harada, T
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Journal Title
Open J Prev Med
Volume: 8
Pages: 301-314
Related Report
Peer Reviewed / Open Access
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[Journal Article] Age-dependent contributions of neck circumstance to indices of obesity among female college students aged 18 to 20 years2017
Author(s)
Nitta Y, Miki Y, Aoi S, Ikeda H, iida T, Chikamura C, Tamura N, Nitta K, Miyaguchi H, Harada T, Ishizaki F
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Journal Title
Hiroshima J Med Sci
Volume: 66
Pages: 109-115
Related Report
Peer Reviewed
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[Journal Article] Changes in biomarkers of psychological stress and bone resorption markers in young females with and without depressive symptoms during different menstrual phases2017
Author(s)
Iida, T, Inoue, K, Ito, Y, Ishikawa, H, Kagiono, M, Chikamura, C, Nagaoka, K, Harada, T, Teradaira, R
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Journal Title
International Medical Journal
Volume: 24
Pages: 34-38
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Focus on oxidative stress markers as an index of mental health2017
Author(s)
Iida, T, Inoue, K, Kawabata, N, Yamamura, Y, Sato, T, Miyagi, A, Ito, Y, Ishikawa, H, Nagaoka, K, Harada, T, Ezoe, S
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Journal Title
Journal of St Marianna Medical Institute
Volume: 印刷中
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Guidelines on suicide prevention measures for South Korea and Japan based on recent suicide trends: The need to utilize this approach to devise future suicide prevention measures for the rest of Asia and the rest of the world2016
Author(s)
Inoue, K, Chayzhunusova, N, Hoshi, M, Noso, Y, Takeichi, N, Nargul, O, Timur, M, Zhanat, S, Akerke, K, Ulzhan, J, Sholpan, C, Alua, S, Dina, B, Rakhypbekov, TK
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Journal Title
Science & Healthcare
Volume: 2
Pages: 47-55
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] The need for prompt measures to prevent people age 70 or over and juveniles and adolescents from going missing: The importance of devising specific measures to deal with behavior caused by dementia, other illness, of family problems2016
Author(s)
Inoue, K, Fujita, Y, Takeshita, H, Yamamura, Y, Fujita, Y, Moriwaki, S, Iida, T, Sampei, M, Ezoe, S, Miyaoka, T, Horiguchi, J, Okazaki, Y, Fukunaga, T, Takeichi, N, Hoshi, M, Noso, Y
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Journal Title
International Medical Journal
Volume: 23
Pages: 641-643
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] A long-term study of the association between the relative poverty rate and suicide rate in Japan.2016
Author(s)
Inoue, K, Fujita, Y, Takeshita, H, Abe, S, Fujihara, J, Ezoe, S, Sampei, M, Miyaoka, T, Horiguchi, J, Okazaki, Y, Fukunaga, T
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Journal Title
J Forensic Sci
Volume: 61
Issue: S1
Pages: 268-281
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Pilot study of autonomic nervous system activity during sleep and after arousal in different mood states.2016
Author(s)
Iida, T, Inoue, K, Kunishige, M, Kanazashi, M, Yamamura, Y, Kanaya, S, Shimizu, M, Ito, Y, Nagaoka, K, Harada, T, Ezoe, S
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Journal Title
J St Mar Med Ins
Volume: 16
Pages: 25-29
NAID
Related Report
Peer Reviewed
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[Presentation] Further improving medicine in kazakhstan and Japan through an agreement on bilateral exchanges: fostering further collaboration among Semey, Kochi, Shimane, and Hiroshima.2018
Author(s)
Inoue, K, ChayzhunuInternational Scientific and Practical Conference "Modern Innovative Methods in Modernization of Medical Education, Science and Practice" dedicated the the 65th Anniversary of Semey Medical Universitysova, N, Noso, Y et al.
Organizer
International Scientific and Practical Conference "Modern Innovative Methods in Modernization of Medical Education, Science and Practice" dedicated the the 65th Anniversary of Semey Medical University
Related Report
Int'l Joint Research
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[Presentation] Psychiatric topic contents of Semipalantinsk Study in future based on the viewpoints in the present time2018
Author(s)
Inoue K, Noso Y, Takeichi N, Wada Y, Moriwaki S, Seksenbaev N, Zhanat S, Timur M, Nurgul O, Bitebayeva D, Sharapiyeva A, Madiyeva M, Chayzhunusova N, Zhunussov Y, Hoshi M
Organizer
21th Hiroshima International Symposium: Studies on health effects of exposure to radioactive micro-particle
Related Report
Int'l Joint Research
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[Presentation] Aiming at epidemiological and statistical suicide investigations in Semey by cooperation of some fields based on the research experience in Shimane Prefecture2017
Author(s)
Inoue K, Miyaoka T, Chayzhunusova N, Ezoe S, Hashioka S, Nagahama M, Nurgul O, Timur M, Zhanat S, Seksenbaev N, Bitebayeva D, Sharapiyeva A, Chegedekova S, Saimova A, Noso Y, Hoshi M, Takeichi N, Moriwaki S, Takinami Y, Takeshita H, Fujita Y, Horiguchi J
Organizer
XIII International Research and Practice Cinference
Related Report
Int'l Joint Research
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[Presentation] Factors and backgrounds in panic disorder - from several viewpoints of epidemiology and genetics -2016
Author(s)
Inoue, K, Chayzhunusova, N, Nargul, O, Timur, M, Zhanat, S, Akerke, K, Ulzhan, J, Sholpan, C, Alua, S, Dina, B, Noso, Y, Takeichi, N, Hoshi, M, Takeshita, H, Takinami, Y, Rakhypbekov, TK
Organizer
XII International scientific-practical conference
Place of Presentation
セメイ、カザフスタン
Related Report
Int'l Joint Research
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[Presentation] Necessity of measures from various sides in mental status and fatigue by disaster2016
Author(s)
Inoue, K, Noso, Y, Takeichi, N, Chayzhunusova, N, Rakhypbekov, TK, Hoshi, M
Organizer
The 3rd Shimane-Semey International Symposium
Place of Presentation
出雲市(島根大学)
Related Report
Int'l Joint Research / Invited
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