한국인 직무 스트레스 측정도구의 개발 및 표준화

장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4

Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.

관동맥질환에서 저밀도 지단백 입자 크기의 분포

임효영,김인숙,승기배,강동헌,전두수,장기육,박준철,이수영,홍순조,최규보 대한순환기학회 1998 Korean Circulation Journal Vol.28 No.8

자연산 및 양식산 농어의 영양성분 비교

강동수,배태진,하봉석 여수대학교 1998 論文集 Vol.12 No.2

The differences in the contents of nutritive components of meat were examined between wild and cultured sea bass. Total amino acid contents of the wild sea bass were higher than that of the cultured one. The main amino acids in the both sea bass were glutamic acid, aspartic acid, leucine and lysine. The wild sea bass contained higher amounts of glycine than in the cultured sea bass. Total free amino acid contents of the cultured sea bass were higher than that of the wild one. In composition of free amino acid, taurine was abundant, and glutamic acid, glycine, alanine and histidine were the major free amino acids. The contents of glycine, alanine and histidine in the wild fish were higher than those in the cultured one, while the content of taurine was lower. In the contents of nucleotides and their related compounds, IMP was dominant, and followed ADP, AMP, in order. The contents of nucleotides and their related compounds in the cultured sea bass were markedly lower than that of the wild sea bass. In fatty acid composition, C16:0, C18:1, C22:6, C16:1 and C20:5 fatty acids were abundant. The wild sea bass showed higher levels in C16:1 and C18:1 fatty acids than the cultured sea bass, while the cultured sea bass contained much amont of C22:6 fatty acid.

Carotenoid 색소의 급이가 양식 농어의 영양성분에 미치는 영향

강동수 여수대학교 1998 論文集 Vol.12 No.2

To investigate the effects on body components of sea bass by the supplemented carotenoids, fish were fed the diet each containing β-carotene, lutein ester, astaxanthin, astaxanthin monoester and astaxanthin diester for 8 weeks. Amino acids, nucleotides and their related compounds and fatty acids in muscle were analyzed. The contents of total amino acid were higher in astaxanthin monoester group than in other groups. The contens of total free acid were higher in astaxanthin monoester group than in other groups. In astaxanthin monoester group, the contents of taurine, threonine, proline, alanine, leucine, lysine, histidine and arginine were markedly higher than that of other groups, while the content of glutamic acid was lower. IMPlevel in astaxanthin monoester group was higher than that of other groups by the greatly increased during feeding experimental diet. In astaxanthin monoester group, saturated fatty acids were decreased during feeding experimental diet, while polyunsaturated fatty acids were increased. In summary, the level of amino acids, nucleotides and their related compounds and polyunsaturated fatty acids were higher in astaxanthin monoester group than in other groups. This suggested that the deposition of carotenoid was affected on these body components.

흉선 종양과 관련된 중증근무력증의 임상적 특성

강동화,김호진,김지수,이근호,이광우 대한신경과학회 1998 대한신경과학회지 Vol.16 No.4

DMPT(dimethy1-β-propiothetin)첨가 급이가 참돔 근육의 화학성분에 미치는 영향

강동수,배태진,최옥수 여수대학교 산업기술지역개발연구소 2000 産業基術硏究所 論文集 Vol.9 No.-

A eight weeks feeding experiment was conducted to investigate the effects of different dietary dimethyl-β-propiothetin(DMPT) levels on growth and body composition in red sea bream(Pagrus major). Body weight gain, feel efficiency and feed intake were significantly increased with dietary DMPT level. After eight weeks of feeding trial, moisture content decreased with supplemented DMPT level, while crude protein and lipid contents increased with dietary DMPT level. Amino acid composition of muscle in fish fed the diets supplemented DMPT was not different to that of control group. Fatty acid contents of muscle in fish increased with dietary DMPT level.

유기용제의 위해도 평가 및 일부유기용제의 생물학적 폭로지표

강성규,이동배,이영수 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.1

This study was to estimate the total amount of domestic and imported organic solvents production. Potential hazard was evaluated through the amount and physical properties. According to his primary risk assessment, toluene, MEK and perchloroethylene were chosen to analyze the solvents in air and their metabolites in blood and urine for using in biological monitoring in the future. The results were as follws. 1. The amount of organic solvent consumption was about 3 million tons in 1989. Of all organic solvents, 70% were aromatic hydrocabons, 12% alcohols, 5% ketones, 3% aliphatic hydrocabons respectively. Xylene in aromatic hydrocabons, cyclohexane in aliphatic hydrocarbons, methanol in alcohols, acetone in ketones, and trichloroethylene in chlorinated hydrocarbons have been more frequently consumed. 2. Benzene was the most hazardous solvent followed by carbon tetrachloride, methanol, toluene, xylene and its derivatives, dichloromethane, chloroform, ethylene tetrachloride, cyclohexane and MEK. respectively. Of the chlorinated hydrocabons, all except methylchloroform were relatively, hazardous in this assessment. 3. The MEK in urine was a good indicator to pridice MEK exposure. The MEK in blood had high correlation with the MEK in urine. Both the blood and urine MEK were more specific when subjects were exposed to higher level. The urine and blood MEK corresponded to exposure of 200ppm MEK were 1.37mg/l and 2.83mg/l 4. The perchloroethylene in blood and trichloroactic acid in urine were good indicators to predict perchloroethylene exposure. Both the pechloroethylene in blood and trichloroacetic acid in urine were more specific when subjects were exposed to higher level. The perchloroethylene in blood and trichloroacetic acid in urine corresponded to exposure of 50ppm perchloroethylene were 1.43 mg/l and 2.56mg/l 5. The hippuric acid in urine and toluene in blood were good indicators to predict toluene exposure. The corrected hippuric acid with creatinine was more useful to exposure to toluene. The toluene in blood was more useful than the hippuric acid in urine, even if subjects were exposed to lower level. The hippuric acid in urine and toluene in blood corresponed to exposure of 100ppm toluene were 1.71g/g creatinine and 2.06mg/1.

감귤 과피 oleoresin의 carotenoid 색소 및 열안정성

강동수,배태진 麗水大學校 産業基術硏究所 1999 産業基術硏究所 論文集 Vol.8 No.-

This experiment studied on the change of carotenoid pigments and its stability in modified oleoresin from tangerine peel during thermal treatment at high temperature. Violaxanthin among carotenoid pigments of raw tangerine peel, was most abundant colorant (18.84mg%) followed by cryptoxanthin-(17.88mg%), luteoxanthin(7.93mg%), antherxanthin(5.16%), phytoene(3.78%) and zeaxanthin(3.48mg%). Oleoresin was acquiesce in the same order of raw tangerine peel. The transmiting ranges of twelve color components from raw tangerine peel to oleoresin were 72.8~89.5%. Transmittal of carotenoid pigments was over 85% in neoxanthin, lycopene, violaxanthin and cryptoxanthin, and over 70% in α- carotene, lutein and luteoxanthin. The sums of twelve color component contents in oleoresin tangerine peel were remained 67.1% and 45.2%, respectively, after thermal treatment for 60 minutes at 10℃ and 200℃ under air circumstance, but those under nitrogen circumstance were 89.8% and 81.4% respectively.

진양호 수질의 영양상태 평가에 관한 연구

강민수,김성우,이동근 경상대학교 환경보전연구소 1999 環境保全硏究所報 Vol.7 No.-

The purpose of this study was to assess trophic state of Chinyang Lake using monthly water quility data in 1998, and to suggest adequate protection method of water supply source. The results of water quality variations and trophic states were evaluated as follows; 1. Algae had rapidly grown from June, and this resulted in the increase of pH, Chlorophyll-a and COD. 2. The annual average ratio of COD by algal biomass to total COD was estimated to be 12% and had the highest value of 31.6% in June. 3. The ration of T-N/T-P was 53.7, and phosphorus became the liming factor for the eutrophication. 4. When considering T-P and Chlorophyll-a concentration, Chinyang Lake seems to be eutrophic state. 5. From the evaluation by TSI & LTSI methods, Chinyang Lake could become rapidly into eutrophic state.

상완골 과 상부 골절에서의 이중 긴장 대 기법을 이용한 수술적 치료

강호정,김홍희,심동준,한수봉,강응식 대한골절학회 2002 대한골절학회지 Vol.15 No.4

목 적 : 이중 긴장 대 기법을 이용한 상완골 과 상부 골절의 임상적 결과를 분석하여 그 유용성을 보고하고자 한다. 대상 및 방법 : 1992년 10월부터 2001년 9월까지 상완골 원 위부 골절로 치료한 환자 중 이중 긴장 대 기법을 시행한 14예를 대상으로 하였다. 골절의 원인으로서는 실족에 의한 단순 손상이 11예, 교통사고에 의한 손상이 2예, 직접 타격에 의한 손상이 1예가 있었다. AO/ASIF 분류 방법에 따라 분류하면 A2가 2예, A3이 1예,. C1이 6예, C2가 3예, C3이 2예였으며, 성별로는 남자가 5예, 여자가 9예였고, 평균 나이는 51.6 세 (최소 15세, 최대 88세)였다. 분쇄 골절이 심한 4예에서 주두 절골 술을 시행하였다. 술 후 고정기간은 평균 20.6일 이었고, 경화를 보인 시기는 술 후 평균 10.1주 였다. 65세 이상의 5예에 있어서는 술 전에 골 밀도 검사를 시행하였으며, 대퇴경부의 평균 T-score가 -3.65였고 요추부의 평균 T-score가 -2.97이였다. 평균 추 시 기간은 평균 16.4개월(최소 12개월, 최대 29개월) 이였다. 평가는 최종 외래 내원시 주관절의 운동 범위, 통증 유무, 환자의 만족도를 조사하였다. 결 과 : 최종 추후 결과를 분석하였으며, 운동범위는 Excellent군이 8예, Good군이 4예, Fair군이 2예 였으며, Poor군은 없었다. 10예에서는 술 후 통증이 전혀 없었으며, 4예에서는 가끔씩 통증을 호소하였다. 합병증으로는 1예에서 주두에 K-강선 삽입부위의 피부자극에 의한 통증으로 술 후 6개월째 조기 제거를 시행하였다. 척골신경 전방 전위 술을 8예에서 시행 하였으며, 시행하지 않은 6예 중에 2예에서 척골신경 자극증상이 있었다. 그 중 1예에서는 술 후 8개월째 척골신경 전방 전위 술을 시행 받았으나, 다른 1예에서는 대중적 치료로 증세가 호전되었다. 1예에서 K-강선 삽입부위에 부분적 피부괴사 소견이 보였으나 핀 제거 술 및 창상 치료 후 치유되었다. 결 론 : 이중 긴장 대 기법을 이용한 상완골 과 상부 골절의 치료가 수술이 간단하고 수술 시간을 단축시킬 수 있으며, 정복 시 골막의 박리 손상을 줄일 수 있어 골편의 탈활(devitalization)이 적으며, 골절부의 압축력을 얻을 수 있다. 특히 젊은 환자의 단순 과 상부 골절에서 과도한 술기를 피하고 조기 관절 운동을 하기위한 경우나, 술 전 골 밀도 검사상 골 다공 증을 동반한 분쇄가 심한 노령 환자의 과상부 및 과간 골절의 치료에 있어 이중 긴장 대 기법은 상완골 상부 골절의 치료에 유용한 방법이 될 수 있으리라 사료된다. PURPOSE : This study evaluated the clinical result of supracondylar fractures of the humans treated with double tension band osteosynthesis. MATERIALS AND METHODS : From October 1992 to September 2001, 14 patients with supracondylar fractures of the humerus were treated by method of double tension band osteosynthesis. eleven fractures were the results of slipped down injury and two traffic accidents and one direct trauma. All fractures were classified according to the AO fracture classification (A2; 2. A3; 1. C1; 6, C2; 3. C3; 2). There were 6 males and 9 females with average age of 51.6 age of 51.6 years (range 15 to 88). Olecranon osteotomy was performed in 4 patients with severe comminuted fractures. Postoperative immobiliza-tions were required for an average of 20.6 days and consolidations were noted after an average of 10.1 weeks. Before operation, bone marrow density studies were performed in five fractures above 65 years. Average T-score of the patients were -3.65 on femur neck and -2.97 on lumbar spine. All patients were re-examined after an average of 16.4 months. RESULTS : Union and consolidation was achieved in all 14 patients judged their results as excellent and four as good. Ten patients had no pain and four had only occasional discomfort. Early removal of K-wires was performed in one patient because irritation of one side K-wires were develop. Sensory change of the ulnar nerve was noted in two patients. Anterior transposition of ulnar nerve was performed in one patient and the other was improved spontaneously. Skin necrosis was developed in one patient but was healed after pin removal and conservative care. CONCLUSION : The advantages of double tension band wiring are an easier and faster procedure, less periosteal and muscle damage, and more symmetrical compression than double plating. Therefore, in the commiuted osteoporotic fracture with poor tolerance for internal fixation with the plate or the simple supracondylar fractures in young age, double tension band osteosynthesis can provide sufficient and secure stability to allow early functional exercise.