A case of osteomyelitis as a complication of Klebsiella pneumoniae infection-related liver abscess

이영롱,김태훈,김진동 대한내과학회 2020 대한내과학회 추계학술대회 Vol.2020 No.1

공항 이용자 탑승 전 편의성 증진을 위한 스마트 앱세서리 디자인 연구

이영롱,이돈태 한국일러스아트학회 2015 조형미디어학 Vol.18 No.1

경제의 발전 및 원화가치 증대, 국민의 여가시간 증가, 자기 개발 욕구의 증대 등을 원인으로 하여 사람들의 해외여행은 지속적으로 증가하고 있다. 이러한 현상은 항공 여행의 증가를 야기 했고 이는 공항 사용률의 증대라는 결과를 낳고 있다. 이러한 변화에 발맞추어 많은 디자인 회사들이 공항 사용에 있어 편의성을 고려한 디자인들을 제시하고 있고 이러한 결과는 서비스 디자인이나 시각디자인, 공간디자인 분야에서 폭넓게 연구되고 있는 것을 볼 수 있다. 하지만 현재 국제공항에서 고객의 편의성 증진을 위한 제품디자인을 살펴보면 그 발전이 미미한 것을 볼 수 있다. 이에 따라 사용자가 비행기 탑승 전까지 공항을 이용함에 있어서 그들의 편의성을 증진시킬 수 있는 제품 디자인을 연구하여 제시하는 것이 이 연구의 의의이다. 본 연구는 크게 5가지의 단계로 진행하였다. 첫 번째 단계는 문헌 고찰의 단계로 공항 서비스, 스마트 앱세서리의 개념, 특성 및 현황으로 나누어 살펴보았다. 두 번째 단계에서는 스마트 앱세서리를 위한 실증적인 조사를 진행하였다. 실증적 조사는 크게 두 가지의 방법으로 나누어 진행하였다. 1차 조사에서는 쉐도우 트래킹(shadow tracking)을 통한 통찰적 관찰을 진행하였다. 이를 통하여 고객 여정도(customer journey map)를 추출하였으며, 추출된 여정도의 각 절차에 따른 행동 및 문제점을 추출해내어 1차 인 사이트를 정리하였다. 2차 조사에서는 심층인터뷰(In-depth Interview)를 진행하였다. 심층인터뷰 질문은 앞서 뽑아낸 5가지의 인 사이트를 기본으로 질문지를 구성하여 진행하였다. 인터뷰를 통하여 1차로 뽑아낸 인 사이트 보다 심층적인 키 인 사이트를 도출하였다. 세 번째 단계에서는 앞서 도출된 핵심 키 인 사이트를 바탕으로 디자인 구성요소 및 해결안을 제시하였으며 해결책에 따른 기술들을 살펴보았다. 이를 통하여 디자인을 제시 하였으며, 이와 더불어 앱세서리가 구현되는 시스템 프로세스 환경을 제시하였다. 마지막으로 본 연구의 의의, 한계점 및 제언으로 마무리 하였다. The number of people travelling abroad has been increasing due to economic development, appreciation of Korean won value, and increase of leisure time and desire for self-development. Such phenomenon has led to the rise in the number of travelling by airplanes as well as the frequency of using airports. In response to the change, many design companies have suggested designs with more convenience in using airports and there have been numerous researches conducted in various fields such as service design, visual design, and spatial design. However, the development is hardly felt in the service adopting the product designs for improving users' convenience in international airports. Therefore, this study aims to study and suggest a design of product that would improve theconvenience in using airports before actual boarding to airplanes. This study is conducted by five stages. The first stage reviews literature, particularly about concepts, characteristics, and current situation of service in airports and smart appcessories. On the second stage, empirical study on smart device is conducted. First, insightful observation through shadow tracking is carried out to sample a customer journey map. After sampling the behavior and problems in each procedure of the customer journey map Insight I is concluded. Secondly, in-depth interview is carried out with a questionnaire based on the five insights concluded in Insight I and from this process, core insights are deduced. On the third stage, based on the core insights drawn earlier, elements of design and solutions are suggested and the technology in relation to the solutions are explored. From this, designs is proposed. In addition, the system in which suggested device would be realized is proposed for overall utility environment by smart appcessaries system. Finally, the feasibility and research questions of the product are answered and future research questions are suggested in the significance, limitations, and recommendations of this study.

고속/일반 철도 역사 안내표지의 표준화를 위한 디자인 방향 연구

이영롱,조지희,김성은,조정현,이상재,안세영 한국일러스아트학회 2017 조형미디어학 Vol.20 No.1

With shrink of the entire nation into a one-day life zone, high-speed railway has been advanced and so has diversified its service providers. A newly introduced high-speed train, SRT, brought unprecedented change that it shares major stations of Korea with formerly the only high-speed railroad company, KORAIL. With this development, the need of standard design guidelines for directional signs is more felt because each railroad company provides its own design guidelines at present, which may cause confusion and inconvenience to the users of train stations. Studies on standardized directional signs that will be commonly used in train stations seem urgent. In this context, the study aims to establish directions for standardized designs of directional signs. This study is conducted in four stages: First, design guidelines for directional signs of Korean high-speed railway stations and those of foreign high-speed railway stations that could be benchmarked are analyzed by literature review; Second, current status of high-speed railway stations where design guidelines for directional signs are implemented are examined by the means of qualitative studies while their problems and issues are detected by conducting interviews with train station officers. Afterwards, how the signs are used is studied by trying out arbitrarily selected three routes in the stations; Third, insights deducted from two stages are analyzed to identify the directions of standardized directional signs in the future, as well as sub-directions by each element; Lastly, the study concludes and provides its significance. This study may serve as the foothold of future researches on standard directional signs in preparation for additional introductions of new railroad companies into the market. 고속철의 발전으로 인한 하루 생활권의 확장과 그에 따른 수요로 인해 철도 운영사 역시 다양해지고 있다. 이러한 변화로 인하여 기존 한국철도공사(Korail)만이 사용하던 주요 역들에 2016년 개통한 SRT가 정차함에 따라 두 운영사가 공동으로 사용하는 역사들이 생겨났으며, 이에 따라 역사 내 설치된 안내표지의 표준화 된 디자인 가이드라인의 필요성이 대두되고 있다. 현재 운영사 별 각각의 안내표지 디자인 가이드라인을 제공하고 있지만, 하나의 환승 역사 내 서로 다른 형태의 안내표지 제공 시, 이용자들에게 혼란과 불편을 초래할 수 있기에 공통적으로 적용될 표준화된 안내표지의 연구가 시급한 실정이다. 이에 따라 본 연구에서는 표준화된 안내표지의 디자인 연구 전 디자인에 필요한 방향성을 정립하고자 한다. 본 연구는 크게 4가지 단계로 진행하였다. 첫째, 이론적 고찰로 국내 철도 역사 가이드 분석과 벤치마킹 포인트를 가진 해외 역사 가이드 분석을 진행하였다. 둘째, 정성적 연구로 현재 실제적으로 안내표지 가이드가 적용된 역사의 현황 분석을 진행하였다. 또한 역사관계자 인터뷰를 통하여 문제점을 발굴하였다. 이후 주요 3가지 경로를 설정하여 이용자의 안내표지 이용 행태조사를 진행하여 인 사이트를 도출하였다. 마지막으로 앞선 연구들에서 뽑은 인 사이트들을 종합적으로 분석하여 표준화 된 안내표지 디자인이 앞으로 나아가야할 방향성을 정의 하였으며, 요소별 세부적인 방향성을 정립하였다. 마지막으로 본 연구의 결론 및 시사점으로 연구를 마무리 하였다. 본 연구를 통하여 앞으로의 철도 운영기관의 확장 가능성에 대비하여 연구될 표준 안내표지 디자인 연구에 기초 발판이 될 것으로 사료된다.

Association between dietary and suicidal behaviors in adolescents in Korea based on the Youth Risk Behavior Survey (2015-2020)

이영롱,전예진,심지선,Jung Sun Jae 한국역학회 2022 Epidemiology and Health Vol.44 No.-

OBJECTIVES: This study explored the association between dietary and suicidal behaviors of Korean adolescents and investigated differences in this association in children of immigrant parents. METHODS: The sample (n= 368,138) was collected from the Korea Youth Risk Behavior Survey from 2015 to 2020. Participants who agreed to provide family information (n= 313,689) were classified according to their parents’ nationality. The study variables were 11 self-reported dietary behaviors, and their composite dietary behaviors (i.e., nutrient deprivation and unhealthy food consumption) that resulted from principal component analysis. The association between study variables and suicide-related outcomes (i.e., suicidal ideation, suicide planning, and suicide attempts) was analyzed by multiple logistic regression with adjustment for covariates. Adjusted odds ratios (aORs) and 95% confidence intervals (CIs) were calculated. RESULTS: Participants who skipped key meals and foods were more likely to have attemped suicide (aOR [95% CI]: skipping breakfast ≥ 5 days/wk, 1.28 [1.21 to 1.35]; consuming fruits < 1 times/wk: 1.42 [1.32 to 1.52]; consuming vegetables < 1 times/wk: 1.72 [1.53 to 1.93]; consuming milk < 3 times/wk: 1.07 [0.99 to 1.16]). The associations were prominent in third culture kids (TCKs) (aOR [95% CI]: 2.23 [1.61 to 3.09]; 2.32 [1.61 to 3.35]; 2.63 [1.50 to 4.60]; 1.69 [1.09 to 2.63], respectively). Participants who consumed unhealthy foods (fast food, caffeinated and sugary drinks) more frequently were more likely to have attempted suicide (aOR, 1.55; 95% CI, 1.38 to 1.73). This association was also more prominent in TCKs (aOR, 2.08; 95% CI, 1.08 to 4.01). CONCLUSIONS: Our findings indicate a positive association between unfavorable dietary behaviors and outcomes related to suicide, and this association appears to be notable in adolescents with immigrant parents.

하이브리드 빔포밍 MIMO-NOMA 환경에서 같은 묶음의 사용자간 QoS 지원을 위한 전력 할당

이영롱(Yeong-Rong Lee),박찬엽(Chan-Yeob Park),장준용(Jun-Yong Jang),송형규(Hyoung-Kyu Song) 대한전자공학회 2021 대한전자공학회 학술대회 Vol.2021 No.6

For the fifth-generation wireless communication, hybrid beamforming (HB) is considered as a solution for reducing radio frequency chains in millimeter-wave massive MIMO systems. However, the number of radio frequency (RF) chains cannot be reduced under the number of data streams in HB scheme. Non-orthogonal multiple access (NOMA) can be adopted to solve this problem. But NOMA causes the interference between users. Finally, the spectral efficiency of paired users in HB based on NOMA is affected by the interference. In this paper, a power allocation scheme considering interference is proposed for QoS Support of intra-pair users. As a result, the spectral efficiency of intra-pair users can be same.

NOMA 기반의 중계기와 User Grouping 을 사용한 BD 프리코딩 전송 기법

이영롱(Yeong-Rong Lee),박찬엽(Chan-Yeob Park),장준용(Jun-Yong Jang),정지성(Ji-Sung Jung),송형규(Hyoung-Kyu Song) 한국통신학회 2019 한국통신학회 학술대회논문집 Vol.2019 No.11

광대역 하이브리드 빔포밍 시스템에서 최적의 아날로그 프리코더 설정을 위한 근접 후보군 탐색 적용

이영롱(Yeong-Rong Lee),박찬엽(Chan-Yeob Park),나유진(Yu-Jin Na),유효석(Hyo-Seok Yu),송형규(Hyoung-Kyu Song) 대한전자공학회 2020 대한전자공학회 학술대회 Vol.2020 No.8

Physical and mental health characteristics related to trust in and intention to receive COVID-19 vaccination: results from a Korean community-based longitudinal study

전예진,이영롱,양지수,Park Young Su,Jung Sun Jae 한국역학회 2022 Epidemiology and Health Vol.44 No.-

OBJECTIVES: The aim of this study was to explore factors affecting attitudes toward coronavirus disease 2019 (COVID-19) vaccination, including socio-demographic characteristics and mental health status during the pandemic. METHODS: This study analyzed responses from 1,768 participants who were originally included in a community cohort study and responded to 3 online surveys related to COVID-19 (March 2020 to March 2021). The k-means method was used to cluster trust in and intention to receive COVID-19 vaccination. Baseline (2013-2018) socio-demographic characteristics, physical health status, and depressive symptoms were analyzed as exposure variables, and current mental health status was included in the analyses. RESULTS: Almost half of all participants were classified into the moderate trust and high intention cluster (n= 838, 47.4%); those with high trust and high intention accounted only for 16.9%. They tended to be older, had high-income levels, and engaged in regular physical activity at baseline (p< 0.05), and their sleep quality and psychological resilience were relatively high compared to other groups. CONCLUSIONS: Our results suggest that more efforts are required to enhance the perceived need for and trust in COVID-19 vaccination.

청년들의 ‘사회적 노동’ 경험 : 청년들의 서사를 중심으로

명수민,이영롱 (재)아이쿱협동조합연구소 2015 생협평론 Vol.- No.19

간호대학생이 지각하는 임상실습지도자의 교수효율성과 임상실습만족도의 관계

황현아,김희진,김예지,이규희,이영롱,박성희,손수빈 이화여자대학교 간호과학대학 2012 이화간호학회지 Vol.- No.46

Purpose: The purpose of this study was to investigate the relationship between teaching effectiveness and clinical practice satisfaction among nursing students. Method: The subjects of this study were 107 junior and senior nursing students in E university. Data were collected using self-reported questionnaire including general and practicum related characteristics, teaching effectiveness of clinical instructors and clinical practice satisfaction from September 12 to September 21, 2011. Collected data were analyzed by SPSS 19 program using t-test, ANOVA with Scheffe test, and Pearson`s correlation coefficients. Result: The mean score of teaching effectiveness was 3.35(±.51), and mean of clinical practice satisfaction was 3.19±.47. There were significant differences of teaching effectiveness of clinical instrutor by satisfaction of overall clinical practicum(F=8.332, p<.001), satisfaction of practice hour(F=3.230, p=.044), and satisfaction of major(F=9.883, p<.001). There were significant differences of clinical practice satisfaction by grade(t=2.274, p=.025), motive of choosing nursing science as a major(F=3.329, p=.007), satisfaction of overall clinical practicum(F=17.437, p<.001), satisfaction of practice hours(F=9.925, p<.001), and satisfaction of nursing major(F=12.748, p<.001). Relationship between teaching effectiveness of clinical instructor and clinical practice satisfaction showed positive correlation(r=.704, p<.001). Conclusion: In this study, teaching effectiveness of clinical instructor was related with clinical practice satisfaction. Therefore, we should consider improving teaching effectiveness of clinical instructor to improve clinical practice satisfaction.