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지역사회 노인에서의 수면의 질과 인지기능의 관련성에 대한 연구
오윤균,김봉조,박철수,이철순,차보석,이소진,이동윤,서지영,최재원,이영지,이재헌,이윤정 대한수면의학회 2020 수면·정신생리 Vol.27 No.1
Objectives: Sleep disturbance in the elderly is associated with cognitive decline. Sleep quality is known to deteriorate with age, and prospective studies seldom have examined the relationship between sleep quality and cognitive function. This study investigates the relationship between early sleep quality and cognitive function based on six-year follow-up data of communi- ty individuals older than 60 years. Methods: The participants included 622 community elderly people older than 60 years from Jinju-Si. The final analysis com- prised 322 elderly people. Pittsburgh sleep quality index (PSQI) and the Korean version of Consortium to Establish a Registry for Alzheimer’s Disease (CERAD-K) were used to assess early sleep quality and cognitive function after six years. Multiple lin- ear regression analysis was performed to investigate the association between early sleep quality and cognitive function in the elderly. Results: Early sleep quality (PSQI) was significantly associated with the results of the digit span test, clock drawing test (clox 1), and word recall test after six years. Sleep quality (PSQI) decreased significantly after six years, and lower quality of sleep (PSQI) score was associated with higher digit span test score (β = -0.167, p = 0.026) and higher clock drawing test score (β = -0.157, p = 0.031). Lower quality of sleep (PSQI) score was associated with higher word recall test (β = -0.140, p = 0.039). Conclusion: The digit span test, word recall test, and clock drawing task (CLOX 1) shown to be significantly associated to sleep quality can be performed fast and easily in clinical practice. It is important to assess early cognitive function in the el- derly with poor sleep quality, and further studies could suggest that these tests may be useful screening tests for early de- mentia in elderly with poor sleep quality. 목 적:나이가 들수록 수면의 질은 나빠진다고 알려져 있으며 수면의 질과 인지기능 사이의 관계를 조사한 전향 적 연구는 현재까지 거의 없었다. 본 연구에서는 60세 이상 의 지역사회 노인을 대상으로 6년 동안 추적 조사한 자료를 바탕으로 초기 수면의 질과 인지기능 사이의 관련성을 알 아보고자 하였다. 방 법:본 연구에서는 60세 이상의 지역사회 노인 622명 을 대상으로 하였고 최종 분석에는 322명의 노인이 포함되 었다. 다음과 같은 임상척도가 사용되었다. 피츠버그 수면 질 척도(Pittsburgh sleep quality index, PSQI)와 한국판 신 경심리 평가집(Korean version of Consortium to Establish a Registry for Alzheimer’s Disease, CERAD-K). 초기 수 면의 질과 6년 이후의 인지기능의 관련성을 평가하기 위해 다중 선형 회귀분석을 시행하였다. 결 과:초기 수면의 질(PSQI)은 6년 이후의 숫자 외우기 검사(digit span test), 시계그리기 검사(CLOX 1), 단어 목 록 회상 검사(word recall test)의 결과와 유의한 관련성이 있었다. 수면의 질이 좋을수록(β = -0.167, p = 0.026) 숫자 외우기 검사 점수가 증가했으며 수면의 질이 좋을수록(β = -0.157, p = 0.031) 시계 그리기 점수(CLOX 1)가 증가했다. 또한 수면의 질이 좋을수록(β = -0.140, p = 0.039) 단어 목 록 회상 검사 점수(word recall test)가 증가했다. 결 론:본 연구에서 수면의 질과 유의한 관련성이 있는 나온 숫자외우기 검사(digit span test), 단어목록 회상 검사 (word list recall), 시계 그리기 검사 (CLOX 1)는 임상에서 비교적단시간내에간편하게수행할수있는검사이다.수 면의 질이 낮은 노인을 대상으로 이른 시기에 인지기능을 평가하는것은중요하며추후위의3가지검사가수면의질 이 낮은 노인에게 조기 치매 진단의 유용한 선별검사가 될 수 있음을 밝히는 연구가 더 진행되어야 할 것이다.
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제주도 북동부지역 지하수의 Trihalomethanes(THM)생성 특성
감상규,송영철,오윤균 대한상하수도학회 1999 상하수도학회지 Vol.13 No.3
This study was carried out to investigate the charactcristics of trihalomethane(THM) formation from chlorination of groundwater in the nothearthern area of Cheju Island. Effects of total organic carbon (TOC) and bromide in groundwater on the THM formation were studied. Samples were taken from two regions withe altitude. The concentrations of TOC and bromide in groundwater were higher at the regions of lower altitude, especially at the altitude below 50m. Generally the THM formation in GA region containing a high TOC was higher than that in GB region containing a relatively high bromide. At the altitude below 100m, the formation of total and brominated THM was highest at GB region. The most part of THM formation was brominated THM at GB regjon. The formation ratio of chloroform and brominated THM was similar to the others. Among the brominated THM, dibromochloromethane and bromoform in GB region were containing high bro-mide. Bromodichloromethane and dibromochloromethane in GA region were contain-ing low bromide. At the altitude above 200m, chloroform was formed mainly. Comparing the ratio of brominated THM of total THM in Cheju Island with that in other areas, Seoul and Pusan, it can be konwn that the former showing 51.3% was much higher than the latter showing 6.7% and 28.8%, respectively.
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‘걷고 싶은 다리’ 매력 분석을 통한 도시이미지 향상 연구
이강현(Lee, Kang-Hyun),조현(Cho, Hyun),오윤균(Oh, Youn-Kyun),강준모(Kang, Jun-Mo) 대한국토·도시계획학회 2011 國土計劃 Vol.46 No.5
As cities changed, importance about city images that illustrate the urban identity, has also highlighted, so city image is important methods for forcing the urban competitiveness and promoting the urban attraction. accordingly, city of Seoul propels Han river renaissance plan the aims making of friendly-environment city and the part of the plan, Pedestrian Bridge business, as operated, has transformed the space of Han river accessibility and residents refreshment. This study, has confirmed the effects of city images of attraction index that is derived from Pedestrian Bridges attraction factor, aims to verifying the possibility of city images enhancement that using not only Gwang-jin bridges but also many Han rivers bridges near future. First, hypothesis and model of study through previous studies and theoretical review establish and analysis using the structural equation. Analysis result demonstrates that Gwang-jin bridges attraction index is positively affected landscape and accessibility, plus neighborhood facility linked effects and city images enhancement. So, study result demonstrates contribution of city images enhancement, if develop neighborhood linked area and characteristic facility when operating the business such as Pedestrian Bridge near future.
ScienceON
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