• 한국융합학회논문지
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• 제8권12호
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• pp.167-178
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• 2017

본 연구는 직장인 당뇨병 환자의 삶의 질 영향요인을 시기별로 파악하여 삶의 질 향상을 위한 중재방안을 모색하기 위하여 시행되었다. 연구 대상은 2007-2015(4기, 5기, 6기) 국민건강영양조사를 활용하였으며, 만 19세 이상 65세 이하의 성인 중 당뇨병을 진단받고, 직장을 가지고 있는 총 1141명을 대상으로 하였다. 분석은 SPSS 23.0 프로그램을 이용하여 기술통계, ANOVA, 다중회귀분석을 시행하였다. 본 연구결과, 기수별 삶의 질 정도는 4기보다 5기, 6기가 높았으며, 통계적으로 유의하였다. 다중회귀분석 결과 성별, 소득수준, 주관적 건강상태, 활동제한여부, 수면시간, 스트레스 인지율이 삶의 질에 영향을 주는 요인으로 나타났다. 기수별로는 주관적 건강상태, 활동제한여부, 스트레스 인지율이 공통적인 영향요인이었으며, 4기는 수면시간, 5기는 성별, 6기는 소득수준과 협심증진단여부가 삶의 질에 영향을 주는 요인으로 나타났다. 이상의 결과를 바탕으로, 직장인 당뇨병 환자들의 삶의 질 향상을 위한 관리 프로그램 및 사회적 역할에 대한 융합 연구에 활용할 수 있을 것이다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 ITC-CSCC -3
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• pp.1760-1763
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• 2002

In this paper the authors present their attempt io realize a motion pattern detector that finds specified sequence of image from input motion image. The detector is intended to be used for time-varying facial expression understanding. Needless to say, facial expression understanding by machine is crucial and enriches quality of human machine interaction. Among various facial expressions, like blinking, there must be such expressions that can not be recognized if input expression image is static. Still image of blinking can not be distinguished from sleeping. In this paper, the authors discuss implementation of their motion pattern detector and describe experiments using the detector. Experimental results confirm the feasibility of the idea behind the implemented detector.

• 지역사회간호학회지
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• 제12권2호
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• pp.329-337
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• 2001

Purpose: This study was to develop a critical pathway for COPD clients in home health care. Method: Review of literature. Analysis of 10 cases of home health records of COPD clients without other major chronic illness, and Contents validity test Results 1. Vertical axis(l4 activities) physical and mental assessment, family assessment. environment assessment, rights and duties of client, oxygen use and safety, education of disease process and symptom, medication, nutrition and elimination, tests, activities, respiratory exercise, sleeping pattern. consultations and discharge planning. 2. Horizontal axis was set by the number of visits(average number of visits is 6.4) and vertical axis was set with 14 activities and the contents which should have occurred, according to the time frames of the horizontal axis. 3. According to the contents validity test, among the total of 234 items, 176 items showed over 83% agreement and 58 items showed less than 83% agreement. Those items with less than 83% agreements were either deleted or revised. Conclusion this critical pathway is applicable to the home health care of COPD clients to provide quality home nursing care services at lower cost.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제15권1호
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• pp.114-130
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• 2021

With the drastic growth of Information and Communication Technology (ICT) industry, global energy consumption is exponentially increased by mobile communications. The huge energy consumption and increased environmental awareness have triggered great interests on the research of dynamic distribution of cell user and traffic, and then designing the energy efficient cellular network. In this paper, we explore the temporal and spatial characteristics of human mobility and traffic distribution using real data set. The analysis results of cell traffic illustrate the tidal effect in temporal and spatial dimensions and obvious periodic characteristics which can be used to design Base Station (BS) dynamic with sleeping or shut-down strategy. At the same time, we designed a new Cell Zooming and BS cooperation mode. Through simulation experiments, we found that running in this mode can save about 35% of energy consumption and guarantee the required quality of service.

• 한국간호교육학회지
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• 제3권2호
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• pp.214-225
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• 1997

Sleep is an inevitable part of human existence and a part of the dynamic quality of life. The purpose of this study is to explore sleep pattern changes and related factors of patients hospitalized. The participants are 158 patients hospitalized in one general hospital. The questionnaire was developed by modification of VSH sleep scale (1987). Open question was used for research of related factors. $SPSS/PC^+$ are utilized for data analysis. The results are as follows ; There is significant difference before and after admission in the sleep disturbance. There is retroverse significant difference before and after admission in the sleep effectiveness. There is no significant difference between two groups in the nap supplementation. The patients reported pain by reason of sleep latency and mid-sleep awakening and noise due to early awakening. The reasons for lack of sleep were pain and noise. The method for overcoming their sleep disturbance, most of the subjects waited with closed eyes, imaged by themselved and took medicate sleeping pills. Discomfort manifested in the case of insufficient steepness was fatigue, headache and aggressiveness.

• 한국직업건강간호학회지
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• 제30권4호
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• pp.224-231
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• 2021

Purpose: The purpose of this study was to identify the psychosocial working environment and mental health of financial workers, and analyze the impact of the former on the latter. Methods: Data of 257 financial clerks were extracted from the 2017 5th Korean Working Conditions Survey. Psychosocial working environment was divided into five fields: demands at work, work organizations, interpersonal relations, workplace violence, and working hour quality. Mental health included sleeping problems, psychological well-being, and job stress. Results: A total of 6.1% subjects reported sleep problems, 28.2% experienced poor psychological well-being, and 39.6% had job stress. More than half the subjects were exposed to tight deadlines, complex tasks, hiding feelings at work, fair treatment, fair distribution of work, colleagues' support, and managers' support. Tight deadlines, workplace violence, long working hours, hiding feelings at work, and managers' support had a significant impact on the mental health of financial clerks. Conclusion: Based on the results of this study, we propose that employers, workers, and health managers in the financial industry should work together to establish a respectful organizational culture, prevent long working hours through recruitment, and conduct programs to protect emotional health.

• 종양간호연구
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• 제12권3호
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• pp.221-229
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• 2012

Purpose: The purpose of this study was to identify correlates influencing cognitive impairment in breast cancer patients receiving chemotherapy. Methods: Study subjects consisted of 102 breast cancer patients who received chemotherapy. Subjects were the members of a breast cancer self-help group. Data were collected using structured self-reporting questionnaires including scales of cognitive impairment, physical status, fatigue, quality of life, emotional status, sleeping, family support, and menopausal symptoms. Statistical Package for Social Sciences was used for statistical analyses. Results: Breast cancer patients receiving chemotherapy appeared to show a high level of cognitive impairment. Among demographic characteristics, the effects of economic status and family type on cognitive impairment were found to be statistically significant. Among disease related characteristics, the effect of duration of chemotherapy on cognitive impairment was statistically significant. Menopausal symptoms were positively associated with cognitive impairment. The model including postmenopausal symptoms and caregiver type explained about 66% of variability in cognitive impairment. Conclusion: These findings highlight the importance of contextual factors in understanding cognitive impairment in breast cancer patients receiving chemotherapy and can be used to develop appropriate, effective nursing interventions.

• 설비공학논문집
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• 제18권7호
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• pp.535-540
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• 2006

This study was performed In evaluate sleep efficiencies and conditions for comfortable sleep based on the analysis of Physiological signals under variations in thermal conditions. Five female subjects who have similar life cycle and sleep patterns were participated for the sleep experiment. It was checked whether they had a good sleep before the night of experiment. EEGs were obtained from C3-A2 and C4-A1 electrode sites and EOGs were acquired from LOC (left outer canthus) and ROC (right outer canthus) for REM sleep detection. Sleep stages were classified, then TST (total sleep time), SWS (slow wave sleep) latency and SWS/TST were calculated for the evaluation of sleep efficiencies on thermal conditions. TST was defined as an amount of time from sleep stage 1 to wakeup. SWS latency was from light off time to sleep stage 3 and percentage of SWS over TST was calculated for the evaluation of sleep quality and comfort sleep under thermal conditions. As result, the condition which raise a room temperature provided comfortable sleep.

• 대한한방소아과학회지
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• 제35권4호
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• pp.75-81
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• 2021

Objectives The purpose of this study is understanding the trend of clinical researches on the correlation between precocious puberty and sleep. Methods 18 papers were searched by using keywords 'Precious publicity' and 'Sleep' in Pubmed, China National Knowledge Infrastructure, and those were analyzed for this study. Results Children aged 6 to 18 were participated in longitudinal studies and questionnaire surveys. Hormone levels and EEG were also measured in those children. This study had placed emphasis on the sleeping time and sleep quality, and sex hormones secretion during sleep and changes in the hormone secretion related to the sleep cycles. Historically, oriental medicine studies have demonstrated that there were correlations between precocious puberty and sleep. There are studies from China showed the importance of lifestyle management in preventing and treating precocious puberty, especially with light exposure during sleep. Conclusions Sleep is closely correlated with precocious puberty and it is an important factor to be considered in the prevention and treatment of precocious puberty.

• 한국방송∙미디어공학회:학술대회논문집
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• 한국방송∙미디어공학회 2017년도 하계학술대회
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• pp.197-200
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• 2017

퍼지 논리를 기반으로 한 적응형 스트리밍 기법인 FDASH 적응 알고리즘은 빠르게 변하는 네트워크 상황에서 우수한 콘텐츠의 화질을 보장하면서 끊김 없는 서비스를 제공하는 특성을 보이지만 비디오의 화질이 자주 변하기 때문에 최고의 사용자 체감 품질 (QoE: Quality of Experience)을 제공하지 못 할 수도 있다. 본 논문에서는 제한된 버퍼 크기를 가지고 동일한 콘텐츠의 화질을 보장하면서도 비디오 화질의 변화 횟수를 줄여서 최적의 QoE를 제공할 수 있도록 하는 변환된 퍼지 논리 기반의 DASH 적응 알고리즘을 제안하고자 한다. 제안된 방식은 우선 퍼지 논리 제어부(FLC : Fuzzy Logic Controller)의 수정을 통하여 다음 세그먼트의 비트율에 대해 최적의 판단을 하도록 하였고, 세그먼트 비트율 필터링 모듈 (SBFM: Segment Bitrate Filtering Module)을 추가하여 비디오 화질의 변화 횟수가 최소화 될 수 있도록 하였으며, 스트리밍 서비스 시작 시 SBFM에 의해 일정시간 저화질의 비디오를 시청해야 하는 상황을 막기 위한 Start Mechanism을 추가하였고, 마지막으로 버퍼의 오버플로우를 방지하기 위해 Sleeping Mechanism을 추가하였다. NS-3를 이용한 네트워크 모의실험 결과를 통해 제안된 방식이 FDASH 방식에 비하여 제한된 버퍼크기 상황 하에서도 오버플로우가 발생하지 않으며 점대점(Point to Point) 상황에서는 거의 동일 화질 성능을 보이면서도 비디오 화질 변화 횟수를 50% 이상 줄일 수 있음과 일반 Wifi환경에서는 오히려 17.8%정도 더 뛰어난 비디오 화질 성능을 보이면서 비디오 화질변화 횟수 측면에서는 53.1%정도 줄일 수 있음을 보여준다.