참고문헌
- World health organization. Coronavirus disease (COVID-19) [Internet]. Switzerland: 2021 may 13 [cited 2021 August 26]. Available from: https://www.who.int/news-room/q-a-detail/coronavirus-disease-covid-19.
- Korea disease control and prevention agency. Updates on COVID-19 in republic of korea [Internet]. South Korea: 2021 July 5 [cited 2021 August 26]. Available from: http://Kdca.go.kr/board.es?mid=a20501010000&bid=0015&list_no=713850&cg_code=&act=view&nPage=1.
- Korea disease control and prevention agency. Press release: Social distancing level 4 for the seoul metropolitan area [Internet]. South Korea: 2021 July 9 [cited 2021 August 28]. Available from: http://ncov.mohw.go.kr/tcmBoardView.do?brdId=&brdGubun=&dataGubun=&ncvContSeq=366376&contSeq=366376&board_id=&gubun=ALLhttp://Kdca.go.kr/board.es?mid=a20501010000&bid=0015&list_no=713850&cg_code=&act=view&nPage=1.
- Jefferson T, Mar CBD, Dooley L et al. Physical interventions to interrupt or reduce the spread of respiratory viruses: systematic review. BMJ. 2008; 336(7635):77-80. https://doi.org/10.1136/bmj.39393.510347.be
- Markel H, Lipman HB, Navarro JA et al. Nonpharmaceutical interventions implemented by US cities during the 1918-1919 influenza pandemic. JAMA. 2007;298(6):644-54. https://doi.org/10.1001/jama.298.6.644
- Jun SH, Kim JH. Theoretical background and prospects for the untact industry. Journal of New Industry and Business. 2020;38(1):96-116. https://doi.org/10.30753/EMR.2020.38.1.005
- Ministry of education. Press release: Digital devices not required for 1st & 2nd graders in online classes [Internet]. South Korea: 2021 April 6 [cited 2021 August 29]. Available from: https://moe.go.kr/boardCnts/view.do?boardID=294&boardSeq=80214&lev=0&searchType=null&statusYN=W&page=1&s=moe&m=020402&opType=N.
- Bae YI, Shin HR. COVID-19 accelerates the untact society. Issue & Analysis (Gyeonggi Research Institute). 2020;416:1-26.
- Kim YJ, Park SM. Care for older adults in the era of Corona-With, what and how should be done?: based on the experiences of senior care service providers. KJSWR. 2020;67:89-121.
- Kim JG. Cases and issues in caring for older adults using AI/robots during the COVID-19 pandemic in the US. Int Soc Secur Rev. 2021;16:16-26.
- Sa HJ, Lee WS, Lee BG. Corona blue and leisure activities: focusing on korean case. Journal of Computing and Services. 2021;22(2):109-21.
- Shim SM. A study on non-contact classic music performances in the post-COVID-19 era: with a focus on the case of Seoul philharmonic orchestra. Ewha Womans University. Dissertation of Master's Degree. 2021.
- Yu DG, Jeong SB, Choi SG. The analysis of differences in selection attributes of participants in online sports activities in the corona19 phenomenon. The Korean Journal of Sport. 2020;18(2):21-32. https://doi.org/10.46669/kss.2020.18.2.003
- Lee GI. The necessity of youth physical activity and role and task of school physical education in COVID 19. KASP. 2021;28(1):175-98.
- Chung IJ, Lee SJ, Kang HJ. Changes in children's everyday life and emotional conditions due to the COVID-19 pendemic. Journal of Korean Society of Child Welfare. 2020;69(4):59-90. https://doi.org/10.24300/jkscw.2020.12.69.4.59
- Kim TH, Jee HJ, Bae CW et al. Social distancing in COVID-19: What are the implications for musculoskeletal problems and the quality of life? J Kor Phys Ther. 2021;33(2):84-90. https://doi.org/10.18857/jkpt.2021.33.2.84
- Jo SU, Shim SY, Nam SN. The effect of body composition, pulmonary function, and physical fitness in sedentary office worker by exercise. J Korean Soc Living Environ Sys. 2012;19(3):336-43.
- Ekelund U, Besson H, Luan J et al. Physical activity and gain in abdominal adiposity and body weight: prospective cohort study in 288,498 men and women. Am J Clin Nutr. 2011;93(4):826-35. https://doi.org/10.3945/ajcn.110.006593
- Thyfault JP, Du M, Kraus WE et al. Physiology of sedentary behavior and its relationship to health outcomes. Med Sci Sports Exerc. 2015;47(6):1301-5. https://doi.org/10.1249/MSS.0000000000000518
- Park SH. Effects of employment status changes on mental health. Seoul University. Dissertation of Master's Degree. 2009.
- Lee SB. Effects of change in employment status before/after the COVID-19 on the depression change: moderating effects of age. The Journal of Humanities and Social Science. 2021;12(3):1213-26.
- Ministry of health and welfare. Press release: the results of the COVID-19 national mental health survey in the first quarter of 2021 [Internet]. South Korea: 2021 May 6 [cited August 29]. Available from: https://www.mohw.go.kr/react/al/sal0301vw.jsp?PAR_MENU_ID=04&MENU_ID=0403&CONT_SEQ=365582.
- An SR. COVID-19, current status and task of dealing with infectious diseases in social welfare facilities. KIHASA Health Welfare Issue Focus. 2020;381:90-100.
- Han KR. Changes in elder's lives and death by COVID-19. Journal of Ethics. 2021;133:171-91.
- Jeong CJ, Lee SO, Gang JH et al. A study on social support networks for each life-cycle stage of adults. J Korean Acad Soc Nurs Educ. 2012;18(3):436-45. https://doi.org/10.5977/JKASNE.2012.18.3.436
- Lee YJ, Choi GJ. The Effect of Korean Adult's Mental Health On QOL(Quality Of Life) -the fifth korea national health and nutrition examination survey, 2010. J Digit Converg. 2013;11(1):321-7. https://doi.org/10.14400/JDPM.2013.11.1.321
- Kim SY. A convergence study of stress caused by the epidemic of COVID-19, quality of life and positive psychological capital. Journal of the Korean Convergence Society. 2020;11(6):423-31.
- Oh JY, Yang YJ, Kim BS et al. Validity and reliability of korean version of international physical activity questionnaire (IPAQ) short form. KJFM. 2007;28(7):532-41.
- IPAQ Research Committee. Guidelines for data processing and analysis of the international physical activity questionnaire (IPAQ)-short and long forms. 2005:1-15.
- Buysse, Daniel J, Charles F et al. The pittsburgh sleep quality index (PSQI): a new instrument for psychiatric research and practice. Psychiatry Res. 1989;28(2):193-213. https://doi.org/10.1016/0165-1781(89)90047-4
- Sohn SI, Kim DH, Lee MY et al. The reliability and validity of the Korean version of the pittsburgh sleep quality index. Sleep Breath. 2012;16(3):803-12. https://doi.org/10.1007/s11325-011-0579-9
- Ware J, Sherbourne C. The MOS 36-Item short-form health survey (SF-36): I. conceptual framework and item selection. Med Care. 1992;30(6):473-83. https://doi.org/10.1097/00005650-199206000-00002
- Portney LG, Watkins MP. Foundations of clinical research: applications to practice. 3rd ed. Upper Saddle River, Prentice Hall, 2008:52.
- Ministry of health and welfare. Direction of social distancing system and guidelines by social distancing level [Internet]. South Korea: 2021 June 25 [cited 2021 August 30]. Available from: http://ncov.mohw.go.kr/searchBoardView.do?brdId=3&brdGubun=32&dataGubun=321&ncvContSeq=5587#.
- Yu MS. COVID-19 risk recognition and behavior. korean social trends 2020, statistics research institute, statistics korea [Internet]. South Korea: 2020 Dec 11 [cited 2021 September 3]. Available from: http://kostat.go.kr/sri/srikor/srikor_ntc/1/index.board?bmode=read&bSeq=&aSeq=387035&pageNo=3&rowNum=10&navCount=10&currPg=&searchInfo=&sTarget=title&sTxt=.
- Gyeonggi Public Health Policy Institute. The 3rd survey on COVID-19 risk recognition in Gyeonggi-do [Internet]. South Korea: 2020 Oct 22 [cited 2021 September 5]. Available from: https://gnews.gg.go.kr/briefing/brief_gongbo_view.do?BS_CODE=S017&number=46117.
- Ju SJ. Effects of life changes due to COVID-19 on the mental health of children and their caregivers: focus on Busan, Korea. Journal of Korean Society of Child Welfare. 2021;70(2):67-99. https://doi.org/10.24300/jkscw.2021.06.70.2.67
- Gu YM, Gang JH. Study on the satisfaction of sports facilities affecting the health promotion behavior of elderly. Journal of the Korean Gerontological Society. 2015;35(1):65-78.
- Seong CH, Yoo LK, Jang CO. Conceptual structure of exercise constraints and the difference according to the stage of change in the aged. KJSP. 2008;9(2):115-33.
- Park SY, Yoon DH. Associations between physical activity and health-related quality of life in korean adults: KNHANES V-2. The Korean Journal of Physical Education. 2014;53(2):201-14.
- Moon HJ. A phenomenological study of stress experience of college students displayed in non-face-to-face college life by COVID-19. KALCI. 2021;21(11):233-47.
- Chon SH, Lee SH, Bae EJ et al. The college students' depressive symptoms associated with the levels of physical and social activities during the COVID-19 pandemic in South Korea: A web-based cross-sectional survey. NHI. 2021;25(1):10-7.
- Hwang MJ, Choi MJ, Bae GE et al. The various effects of social distancing on the elderly [Internet]. South Korea: 2020 Dec 23 [cited 2021 September 6]. Available from: https://www.si.re.kr/node/65054.
- Schuch FB, Bulzing RA, Meyer J et al. Moderate to vigorous physical activity and sedentary behavior changes in self-isolating adults during the COVID-19 pandemic in Brazil: a cross-sectional survey exploring correlates. Sport Sci Health. 2021;1-9.
- Lim YH. COVID-19 Blues: a big data analysis. The Korean Journal of Counseling and Psychotherapy. 2021;33(2):829-52. https://doi.org/10.23844/kjcp.2021.05.33.2.829
- Kwon OJ. A case study of changes in the exercise behavior of the elderly by COVID-19. KJSP. 2020;31(2):123-34.
- Lee HR. Sleep quality and its associated factors in adults. J Korean Pubilc Health Nurs. 2013; 27(1):76-88. https://doi.org/10.5932/JKPHN.2013.27.1.76
- Kim AR, Chae MO, Jeon HO. Effects of physical activity programs on sleep among community-dwelling elders in Korea: a systematic review and meta-analysis. JKAIS. 2018;19(3):186-97.
- Lee DH, Kim JY, Kang HS. The emotional distress and fear of contagion related to middle east respiratory syndrome (MERS) on general public in Korea. Kor J Psychol Gen. 2016;35(2):355-83.
- Yoon JI, Han JU, Lee JW. The relationship between the risk perception, stress level, and coping for the outdoor recreation participants during pandemic. KSLRP. 2021;45(1):89-101. https://doi.org/10.26446/kjlrp.2021.3.45.1.89
- Choi JY, Park YM, Choi DJ et al. Factors influencing the quality of sleep in Korean adults by age groups. J East West Nurs Res. 2019;25(1):17-25. https://doi.org/10.14370/JEWNR.2019.25.1.17
- Shin JE, Kim JG, Lim NY. Sleep quality and happiness among young adults: the role of positive memory bias. Korean Journal of Culture and Social Issues. 2017;23(2):271-93. https://doi.org/10.20406/kjcs.2017.05.23.2.271
- Jeon SN, Song HJ. The relationship between EQ-5D and optimal sleep duration among community dwelling elderly. Korean Public Health Research. 2017;43(1):13-22. https://doi.org/10.22900/KPHR.2017.43.1.002
- Shin EY. Relationships between health status, physical activity level, health related quality of life and sleep duration in the elderly. Korean Public Health Research. 2016;42(3):53-65. https://doi.org/10.22900/KPHR.2016.42.3.006