고용안정성과 삶의 질 간의 관계에서 고용 관련 만족도의 매개효과 검증 : 고령 근로자를 중심으로

정우진,정승철,Jeong, Woo Jin,Jung, Sung Cheol 한국벤처혁신학회 2020 벤처혁신연구 Vol.3 No.1

본 연구에서는 노인 일자리의 고용 안정성과 노인의 전반적인 삶의 질이 어떠한 관계를 가지는지 살펴보고 나아가 고령층의 고용 안정성과 전반적인 삶의 질 사이에서 임금 만족도, 근무 환경 만족도, 전반적인 직무 만족도의 변인으로 이루어진 고용 조건 만족도의 매개 효과를 분석하였다. 이를 위하여 7차 고령화연구조사패널(KLoSA) 조사 데이터에서 임금 근로자만을 추출하여 변인들 사이의 상관관계와 매개효과를 분석하였다. 분석 결과, 고용 안정성과 고용 조건 만족도는 정적관계를 가진 반면, 고용 안정성과 고용 조건 만족도 모두 전반적인 삶의 질과는 부적관계를 가지는 것으로 나타났다. 이를 통하여 고용 안정성이 향상될수록 고용 조건에 대한 만족도는 올라가지만, 전반적인 삶의 질은 하락한다는 것을 알 수 있다. 본 연구는 고령층을 대상으로 한 연구를 진행할 경우 다른 연령층과는 다른 시각으로 접근해야 한다는 점과 노인 일자리의 질적 측면을 통하여 고령층의 삶의 질을 분석하려고 했다는 점에서 기존의 연구들과의 차별성 및 시사점을 가진다. In this article, we investigated the overall relationship between the employment stability of senior wage earners and their quality of life. Moreover, we analyzed a mediated effect of satisfaction variables: income satisfaction, work environment satisfaction, and overall job satisfaction. For the research, we used the data from the Korean Longitudinal Study of Aging (KLoSA) and analyzed the data set of 1,318 senior wage earners. The result showed that there exists a positive relationship between job stability and job satisfaction, while the overall quality of life has a negative relation with both the job stability and job satisfaction. This study showed a contradictory result from previous studies that claim that the quality of employment such as job stability and job satisfaction has a positive relationship with the quality of life, and the result implies that the research on senior wage earners requires perspectives different from those on other age groups and social classes.

구부러진 눈꺼풀판을 가진 노인성 아래눈꺼풀속말림의 임상적 특징

정우진,허문정,안희배,Woo Jin Jeong,Mun Chong Hur,Hee Bae Ahn 대한안과학회 2011 대한안과학회지 Vol.52 No.7

Purpose: To report the clinical features and surgical results for lower lid entropion with kinked tarsus compared with entropion with weakened capsulopalpebral fascia. Methods: From March 2008 to December 2009, 20 patients (24 eyes) with lower lid entropion were examined. The patients were divided into the aggravated entropion with kinked tarsus group or the weakened capsulopalpebral fascia group based on the height of tarsus, the shapes of the lower lid and tarsus, and conjunctiva changes. For treatment of entropion in the kinked tarsus group, full thickness tarsotomy with rotatory suture (tarsal fracture operation) was performed, and in the weakened CPF group, a CPF tight procedure was performed. The results of the operations were retrospectively evaluated. Results: The mean age of the patients with entropion in the kinked tarsus group (15 cases) was 66.7 ± 11.4 years, and the mean age of the patients with entropion in the weakened CPF group (9 cases) was 67.2 ± 6.2 years. The height of the lower lid tarsus of each group was 3.80 ± 0.39 mm and 5.20 ± 0.30 mm, respectively. Except for one case of recurrence after tarsal fracture operation in the kinked tarsus group and reoperation with CPF tightening, there were no significant complications or recurrence in either group. Conclusions: Entropion with kinked tarsus was more common than entropion with weakened CPF in the present study. In addition, surgical treatment based on the shape and cause of entropion showed good results. J Korean Ophthalmol Soc 2011;52(7):777-782

눈물주머니 코안연결술 후 발생한 비결핵성 마이코박테리아에 의한 피부감염 1예

정우진,Woo Jin Jeong,MD 대한안과학회 2011 대한안과학회지 Vol.52 No.3

Purpose: To report a case of skin infection caused by nontuberculous mycobacterium after external dacryocystorhinostomy. Case summary: A 53-year-old female patient presented to our clinic with a tear on the left eye, although a silicone tube was intubated. Two weeks after external dacryocystorhinostomy, swelling and redness were found on the operation wound. Therefore, the patient received oral antibiotics and steroid treatments but did not improve. The mass was irregularly shaped and became larger; thus, excisional biopsy was performed at 2 months after external dacryocystorhinostomy. A chronic granulomatous tissue was detected in the excisional biopsy, and antimycobacterial medications were started in consultation with an internist. A moderate colony was observed, and rod-shaped bacteria Mycobacterium abscessus was found in the culture 47 days after acid-fast culture was performed. The patient was diagnosed with a periocular infection caused by nontuberculous mycobacterium. Finally, the lesion improved. Conclusions: Although patients with granulomatous tissue receive numerous treatments, if the lesion is not improved, then additional excisional biopsy and culture examination to identify infection by nontuberculous mycobacterium are necessary. J Korean Ophthalmol Soc 2011;52(3):350-354

누낭비강문합술에서 얻은 누낭조직의 조직병리학적 소견과 임상적 연관성

정우진,허문정,노미숙,안희배,Woo Jin Jeong,Mun Chong Hur,Mi Sook Roh,Hee Bae Ahn 대한안과학회 2011 대한안과학회지 Vol.52 No.4

Purpose: To determine the correlation of the clinical characteristics and histopathologic findings of lacrimal sac after external dacyrocystorhinostomy (DCR). Methods: From March 2008 to June 2009, 49 lacrimal sac tissues of 47 patients were obtained after external DCR and divided according to fibrosis and inflammatory findings. The correlation of preoperative duration of symptoms with NLD obstruction, symptoms of recurrence and outcomes of the operation to the histopathologic findings were retrospectively evaluated. Results: The mean age of the patients was 58.83 ± 11.49 years and the mean duration of preoperative symptoms was 65.2 ± 69.05 months. Forty-three cases (88%) maintained good openings and 30 cases (61%) had no recurring symptoms over 6 months after the operation. Among the significant symptoms, severe subepithelial inflammations were observed more frequently at shorter duration. However, the fibrosis showed a positive relation with the preoperative duration of symptoms (Spearman correlation test, p<0.05). Most failures were found in the severe inflammation and fibrosis groups and were recovered with anti-inflammatory treatment. Conclusions: Inflammation and fibrosis of the lacrimal sac could be an important prognostic and predictive factor of outcomes of DCR. J Korean Ophthalmol Soc 2011;52(4):385-391

Bolitobius princeps (Sharp) (Coleoptera: Staphylinidae: Tachyporinae) New to Korea

정우진,안기정,Jeong, Woo-Jin,Ahn, Kee-Jeong Korean Society of Applied Entomology 2019 한국응용곤충학회지 Vol.58 No.2

갈색어깨무늬뾰족반날개[Bolitobius princeps (Sharp)]를 한반도에서 처음으로 보고한다. 외형사진과 식별형질의 그림을 제시한다. Bolitobius princeps (Sharp) is identified for the first time in the Korean Peninsula. Illustrations of habitus and diagnostic characters are provided.

Tachinus (Tachinus ) javanus Cameron (Coleoptera: Staphylinidae: Tachyporinae) New to Korea with a Key to the Known Species of the Genus Tachinus Gravenhorst

정우진,안기정,Jeong, Woo-Jin,Ahn, Kee-Jeong Korean Society of Applied Entomology 2018 한국응용곤충학회지 Vol.57 No.1

붉은뾰족반날개[Tachinus (Tachinus) javanus Cameron]를 한반도에서 처음으로 보고한다. 기재문, 외형사진과 식별형질의 그림 및 북방뾰족반날개속의 검색표를제시한다. 큰갈색뾰족반날개[Tachinus (Tachinus) yezoensis Li]의 수컷형질을 추가하여 재기재한다. Tachinus (Tachinus) javanus Cameron is identified for the first time in the Korean Peninsula. Description, illustrations of habitus and diagnostic characters, and a key to the known species of Korean Tachinus Gravenhorst are provided. Tachinus (Tachinus) yezoensis Li is redescribed with male characteristics.

보행량에 따른 보행전용존 권장폭 산출식

정우진(Jeong, Woo Jin),홍수정(Hong, Su Jeong),김희수(Hee soo Kim),오흥운(Oh,Heung Un) 대한교통학회 2018 대한교통학회 학술대회지 Vol.78 No.-

본 연구의 목적은 보행만을 위한 공간인 보행전용존의 권장폭 산출식을 제시하여 근린간선지역의 보행랴엥 따른 보행전용존 권장폭을 제시하는 것이다. 국내외 문헌 검토를 통해 최대 보행량, 보행자간 평균간격, 보행자 1인 점유폭, 보행자 평균통행속도를 고려하여 보행전용존 폭 산출식을 도출한다. 도출된 산출식을 통해 근린간선지역 보행전용존의 권장폭을 제시한다. 근린간선지역의 보행전용존 폭은 보행행태가 일반걸음으로 보행량이 24명/분이하일 때 1.4m, 보행량이 24~30명/분일 때 1.7m, 보행량이 30~40명/분일 때 2.3m, 보행량이 40~50명/분일 때 2.8m, 보행량이 50~60명/분일 때 3.4m, 보행량이 60~70명/분일 때 4.0m, 보행량이 70~80명/분일 때 4.5m로 제시한다. 결론적으로 본 연구에서는 보행행태를 반영한 보행밀도를 통해 보행량에 따른 근린지역 보행로의 보행전용존 권장폭을 산출하고 있다.

강섬유의 형상비에 따른 고강도 콘크리트의 휨 인성 특성

정우진(Jeong, Woo Jin),지성준(Ji, Sung Jun),왕기(Wang, Qi),김동휘(Kim, Dong Hwi),윤현도(Yun, Hyun Do) 한국콘크리트학회 2021 한국콘크리트학회 학술대회 논문집 Vol.33 No.2

본 연구는 인장강도 1000MPa급의 강섬유를 고강도 콘크리트에 혼입할 경우 형상비에 따라 휨 특성 변화를 확인하고자 하였다. 실험체는 각각 형상비 64, 67, 80의 후크형 강섬유를 0.75% 혼입하여 3점 가력방식 변위제어로 진행하였으며, 평가 결과 형상비 64보다 형상비 67, 80에서 각각 20%, 21% 휨 강도가 높았고 균열 후 거동에서 형상비 67이 가장 뛰어났으며 형상비 64가 가장 거동능력이 낮은 것으로 확인되었다. This study tried to confirm the change in the bending characteristics according to the aspect ratio when steel fibers with a tensile strength of 1000 MPa are mixed into high-strength concrete. In the specimen, 0.75% of hook-type steel fibers having an aspect ratio of 64, 67, and 80 were mixed, and the displacement control was performed using a three-point loading method. It was confirmed that the aspect ratio of 67 was the most excellent in the post behavior, and the aspect ratio of 64 was the lowest in the behavior.

고온에 노출된 다중벽 탄소나노튜브(MWCNT)를 혼입한 SHCC 센서의 저항특성

정우진(Jeong, Woo Jin),왕기(Wang, Qi),김애화(Jin, Ai Hua),이건철(Lee, Gun Cheol),서수연(Seo, Soo Yeon),윤현도(Yun, Hyun Do) 한국콘크리트학회 2022 한국콘크리트학회 학술대회 논문집 Vol.34 No.1

주차장 환경에서의 차량 사고 검출

정우진(Woo Jin Jeong),이종민(Jong Min Lee),박기태(Ki Tae Park),문영식(Young Shik Moon) 대한전자공학회 2015 전자공학회논문지 Vol.52 No.3

본 논문에서는 주차장 환경에서의 차량 사고 감지방법을 제안한다. 제안하는 방법은 차량 검출, 차량 추적, 사고 감지의 3단계로 구성된다. 차량 검출 단계에서는 픽셀 기반의 전경 검출 방법과 모션맵을 이용하여 차량을 검출하고, 차량 추적 단계에서는 검출된 차량 정보를 바탕으로 차량의 이동을 추적한다. 마지막 단계인 차량 사고 감지 단계에서는 차량의 이동 방향에 맞추어 사고 감지 영역을 지정하고 사고 감지 영역에서 발생하는 움직임의 변화량을 분석하여 차량 사고를 감지한다. 실험을 통해 제안하는 방법은 주차장 환경에서 발생하는 차량 사고를 효과적으로 검출함을 보였다. We propose a detecting method for a car accident in parking lots. The proposed method consists of 3 parts : car detection, car tracking, and accident detection. In the car detection part, we detect the car using the pixel based foreground extraction method and the motion map. From the result of the car detection, the moving car is tracked. In the accident detection part, we set the accident detecting region in front of car, and then the car accident is detected using the difference of the motion. Experimental results show that the proposed method effectively detects the car accident in the parking lots.