섬유제조업 여성 근로자들의 교대작업에 따른 수면실태와 위장관장애

류기하,Yoo, Ki-Ha 대한예방의학회 1994 예방의학회지 Vol.27 No.1

To investigate the sleeping patterns and gastrointestinal disorders of shift workers, the author studied 434 female workers who worked at textile industry ill Taejon city from September 1,1992 to September 31,1992. Shift pattern were divided into 3 categories ; 3 shift(shifts per 8 hours), 2 shift(day and night shift) and day work. The results obtained were as follows : 1 The average sleeping hours when adjusted for the education level of the total study subjects was 6.1 hours. That of 3 shift workers was 6.1 hours, 2 shift workers was 6.0 hours, but that of day workers was 6.5 hours. There were no significant difference among the shift workers. 2. For the 3 shift workers, the average physiologic adjusted duration in day shift (2.2 days) was shorter than that of night shift(2.7 days) and there were significant difference among the rotating shift works (p<0.001). The sleeping problems in day shift was less than those of night shift (p<0.001). 3. 44.9% of 3 shift workers, 39.3% of 2 shift workers and 33.1% of day workers complained gastrointestinal symptoms when adjusted for the age, education level, job tenure, work post. And the rates of gastrointestinal symptoms complained increase with job tenures (p<0.001). 4. The most frequent gastrointestinal diseases were gastitis and gastric ulcer with 14.2% , Irritable bowel syndrome with 3.1 %, duodenitis and duodenal ulcer with 2.1% and combined gastrointestinal disease with 2.1%. Age, eating habit, amount of coffee per day, job tenure, work post and shift pattern showed no significant difference with the gastrointestinal diseases when adjusted for the age. According to the above results, the author suggested that the shift pattern and job tenure can affect to the sleeping problem and gastrointestinal symptoms.

산업장 근로자의 건강행동에 미치는 요인

김태면,류기하,이영수,조영채,이동배,Kim, Tae-Myon,Yoo, Ki-Ha,Lee, Young-Soo,Cho, Young-Chae,Lee, Dong-Bae 대한예방의학회 1994 예방의학회지 Vol.27 No.3

This study was carried out to evaluate the relations between sociodemographic, work-related factors and health related behaviors in a group of 1,042 workers in Taejeon and Chungnam area. The results were as followings: The older workers took more irregularly meals, more cigarette and more alcohol than the younger. Men had more appropriate sleeping time, more regular exercise than women, but more frequent alcohol consumption and cigarette smoking. The married had more regular sleeping habit than the unmarried. The group of married were smoking more and obese. In view of monthly income which represent the socioeconomic state of workers, the group of more than 1 million won had more frequent alcohol ingestion, more heavier body weight than another group of less than 1 million won. Workers having their work hours exceed 9 hours had inappropriate sleep duration, and shift workers took more irregularly meals. The group having poor self-rated health status showed more regular diet, exercise and overweight. Workers recently experienced chronic illness were more overweight and lesser smokers. Above results showed that the health related behaviors were related to the sociodemographic characteristics and occupation-related characteristics. The study for relationship between variant factors affecting health behavior and disease or mortality is need and it should be emphasized that the publicity and education of health related behavior for industrial workers is necessary.

제조업 근로자의 수면실태에 관한 조사

노정균,류기하,이영수,조영채 大韓産業醫學會 1994 대한직업환경의학회지 Vol.6 No.2

산업체 근로자의 수면실태를 조사하고자 1993년 3월에 한 고무제품 제조업 근로자 479명을 대상으로 수면양상에 대한 설문조사를 실시한 결과는 다음과 같다. 1. 전체 조사대상자의 수면장애 유병율은 32.8%였으며, 수면장애의 유형별로는 취면곤란 11.9%, 수면유지곤란6.1%, 조조각성이 6.9%였다. 2. 연령군별 수면유지곤란은 20대가 가장 낮았고 30대가 가장 높았으며, 취침전 진정제 또는 알코올을 이용한 군의 수면장애가 비사용군에 비해 현저히 높게 나타났다. 3. 직업이나 가정에 대해 만족하는 군일수록 수면장애가 불만족군에 비해 낮았으며, 낮잠을 자는 군, 신체적 통증이 없는 군일수록 적게 나타났다. 4. 수면장애에 대한 회귀분석결과 통계적 유의성을 보인 변수는 낮잠여부, 신체적 통증여부 및 근무기간이었다. This study was conducted to investigate sleep qualitys of manufacturing workers. The data were collected from the 479 manufacturing factory workers who were most 3 shift workers. The results obtained were as follows. The prevalence rate of sleep disorder was 32.8%, rate of difficulty in intiating sleep was 11.9%, that of difficulty in maintaining sleep was 6.1%, and that of early morning awakening was 6.9%. Disorders of difficulty in maintaining sleep was low in the age group of twenties and high in thirties. The group of sedative or alcohol use before sleep induction showed high prevalence rate of sleep disorder. The group of satisfying for job or family had the lower rate of sleep disorder than the unsatisfying group. The rate of sleep disorder were low in the group of day sleeping, no physical pain. The variables such as day sleep, physical pain and job tenure showed statistical significance in the logistic regression of sleep disorder.

교통사고 발생요인에 따른 인적 피해정도 분석

양관철,이태용,류기하 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.1

To know the severity and frequency of motor vehicle injuries by the attributing risk fators, the auther analyzed the automobile injury risk factors by human factor, motor vehile factor and physical/social environmetal foctors. The 541, cases were randomly sampled from motor vehicle accidents in Taejon Area during one year through 1990. The results were summarized as follows : 1. Of the total 541 injuries 37.5% belonged severe case and 62.5% were slightly injured case. 2. The high risk factors of severe motor vehicle injuries were as follows Human factors : 20s' -30s' age groups, over 6 years driving carriers, careless of passer by, overspeed, drunken driving. Motor vehicle factors : Cab, driving speed of over 60Km/hr, the accident of car vs human. Road factors : Straight road, cross work, the road of residential and rural area Environmental factors : Winter time, cloudy, raniny and snowy weather around midnight hours.

위암환자의 생존율에 관한 역학적 조사연구

김덕성,이태용,이영수,류기하 충남대학교 의과대학 지역사회의학연구소 1992 충남의대잡지 Vol.19 No.2

To find out the survival rates of stomach cancer patients, the author studied 288 stomach cancer patients who took operation at the Department of Surgery in Chungnam National University Hospital from January 1, 1985 to December 31, 1991. The results were as follows: 1. Of the total patients, 67.4% were male: but 32.6% were female. 2. 64.6% of patients lived in rural area and 35.4% urban;98.3% of those were married; 30.6% were farmers and 17.4% were commercial workers; 54.5% were smokers; 48.3% were alcohol drinkers. 3. By types of gastric cancer, 84.4% were progressive gastric cancer patients. Among these, type 2 patients were more than other type patients. 61.5% of those had metastasis to lymph node. 55.2% of those took operation by RSG with gastrojejunostomy; 97.6% of those knew that they had cancer; 19.1% of those had a family history that at least one of family members had cancer. 4. The gross 5 year survival rate of total patients was 47.2%. 5. The 5 year survival rate of male patients was 41.6% but that of female was 46.3%. The 5 year survival rates by residential area, chemotherapy, marital status, blood type, family history, smoking, and drinking were not significantly different. 6. The 5 year survival rate of type 2 progressive gastric cancer patients was the highest with the rate of 72.0%. Metastasis to lymph node and type of operation showed statistically significant difference in 5 year survival rates.

FPGA 기반 멀티 뉴럴 네트워크 가속기 프레임워크 설계

이인호(Inho Lee),홍성민(Seongmin Hong),류기하(Giha Ryu),박영준(Yongjun Park) 한국정보과학회 2018 한국정보과학회 학술발표논문집 Vol.2018 No.6