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모 컴퓨터 회사 근로자 건강증진 사업 전개를 위한 수요조사
임현우,안병용,최환석,박정일,김경수,이강숙,김정아,구정완 가톨릭대학산업의학쎈타 산업의학연구소 1997 韓國의 産業醫學 Vol.36 No.4
Before conducting the health promotion program, we surveyed the health risk appraisal(HRA) of 210 workers (186 men and 24 women) in a computer company, for the need assessment, selection of target population, priority setting, and as a standard for comparision after performing the program. The smokers were 115(88.6%), and drinkers (over 1 bottle of Soju per week) were 91(44.8%) in men. Entire women and 148(78.0%) men never or irregularly exercise. Type A personality were 73(39.2%) in men, 8(33.3%) in women, and 26(14.0%) of men and 6(25.0%) of women were high stress risk group. 53(25.2%) of men and 2(8.3%) of women were obese (BMI ≥25kg/m²), and workers who consumed exess of total calory compared with recommendation were 142(76.3%) in men and 18(75%) of women. By the health risk appraisal, it was suggested that smoking cessation program, drinking counselling, exercise prescription, stress management, and weight control program should be conducted effectively for the high risk group.
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5년간 집단 검진에 의한 연취급 사업장 근로자들의 건강수준 평가
차영수,이성수,안규동,한구웅,이병국 순천향 대학교 산업의학연구소 출판부 1995 순천향산업의학 Vol.1 No.1
To evaluate the health status of workers in lead using industries under supervision by Soonchunhyang University Institute of Industrial Medicine as part of program of group occupational health service and find out longitudinal changes of health status of lead workers through the service for 5 years from 1989 to 1993, authors analyzed 5 years's periodic health examination data which comprised 29 lead using industries with 40,035 total cumulative number of workers. Selected variables for this study were screening results of general health examination and final results of confirmative health examination for the general health examination which dealt with office workers and blue collar workers with no exposure of hazardous condition. For the special health examination, zinc protoporphyrin in whole blood (ZPP) and screening results of special health examination were selected for study variables. For the confirmative special health examination with screening positive workers, blood lead(PbB), delta-aminolevulinic acid in urine, ZPP, and final result were selected for study variables. Information on age, sex, and type of industries were also collected. The results obtained were as follows; 1. The five years screening positive rate for general health examination was 13.7% and 5 years rate for C category which did not need further confirmative recheck was 5.2%. 2. While the proportion of liver disease in C category in primary general health examination was 49.2% those of anemic disease and hypertensive disease were 23.3% and 27.5% respectively. 3. Five years screening positive rate and negative rate for storage battery industries, secondary smelting related industries, telecommunication related industries and other industries were 83.4% and 12.4 %, 76.5% and 17.5%, 75.5% and16.4%, and 79.5 and 14.4% respectively. 4. Screening positive rate for 5 years were increased as age increased from 9.0%(age less than 30 years ) to 21.1% (age more than 40 years). 5. Only 22.1% of screening positive workers for 5 years general health examination were diagnosed as confirmed general diseases and 33.1% were revealed as normal. The rate of confirmed general diseases were differed by the type of industries and they were increased by age increased. 6. The rate confirmed general disease and non-disease in screening positive of liver, cardiovascular, tuberculosis and chest, anemic and renal disease category were 25.5% & 14,5%, 22.8% &37.2% 21.5% &23.0% 62.0% & 7.0%, and 16.5% & 53.9% respectively. 7. The 5 years prevalence rate of confirmed general disease(D_(2)/total workers) and prevalence rate of abnormal finding(C+D_(2)) were 3.21% and 14.9% as a whole. By the screened disease category, those rate were 1.23% &6.89% for liver disease, 1.17% & 5.43% for cardiovascular disease, 0.96% &1.64% for tuberculosis and chest disease, 0.76% & 1.02% for anemic disease and 0.03% & 0.06% for renal disease respectively. 8. The five years screening positive rate of all lead workers with the criteria of the measurement of ZPP(>=100㎍/㎗) was 10.2% (female lead workers :25.5% male lead workers :8.1%). The positive rate has tendency to decrease year by year from 1989 to 1993. The phenomenon of decrease of rate was significant in storage battery industries, but not apparent in secondary smelting related industries. 9. The proportion of lead poisoning (D_(1)) among screening positive of lead workers was 14.9% for 5 year special health examination and rest of screening positive were diagnosed as high lead absorption. White the proportion of D_(1) was 8.8% in storage battery industries, that was 23.9% in secondary smelting related industries. 10. The distribution of screening positive lead workers by the group of ZPP for 5 years as a whole was 48.3%, 20.9%, 20.5% and 10.3% in the group of ZPP 100-149㎍/㎗, 150-199㎍/㎗, 200-299㎍/㎗ and above 300㎍/㎗, respectively. 11. The proportion of screening positive lead workers whose blood lead were above 60㎍/㎗ and whose urine ALA were above 10㎎/ℓ were 53.3% and 61.4%, respectively. 12. The 5 year overall prevalence rate of lead poisoning (D_(1)/all lead workers) was 0.142%(female lead workers:0.116%, male lead workers:0.145). For the rate of high lead absorption((C+D_(1))/all lead workers) was 0.945%(female lead workers:2.36, male lead workers :0.756). The above prevalence was decreased in later year of study period than early year of study period.
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보건관리 대행사업장 근로자에서 건강증진에 대한 5년 사이의 지식, 태도 및 실천의 변화
임현우,김정아,안병용,박정일,구정완,이강숙 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.2
Before and after conducting the health promotion program by group occupational health service during 5 years, we surveyed knowledge, attitude and practice about general health (30 items) and occupational health(30 items) among 25 small and medium scale industry workers(before: 355 workers, after: 279 workers) for evaluation of effectiveness. The scores of knowledge for smoking, drinking, cholesterol, mental stress, management of hypertension, and risks in younger or women workers were significantly increased after conducting group occupational health service. The scores of attitude for controlling of fatty food consumption and cleaning workplace and bathing for health and that of practice for taking the periodic health examination and checking blood pressure were significantly increased but most of items in attitude and practice didn't be changed after services. According to sex, the scores of men were significantly increased in knowledge of general health, but there were not significant differences in age, job status and work duration group. In conclusion, through the group occupational health service during 5 years, only the scores of knowledge in general health were increased. It suggested that the effective program which can change workers' attitude and practice for health promotion, should be developed and conducted in small and medium scale industry workers.
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Ahn, Byung-Koo,Ko, Do-Young,Lee, Chang-Kyu,Kim, Jin-Ho,Song, Young-Ju,Lee, Jin-Ho 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.3
The aim of this study was to examine the selected soil chemical properties of paddy fields in different topographic areas to efficiently manage nutrient valances of the paddy fields in Jeonbuk Province. Three-hundred soil sampling sites in paddy fields were selected from the different topographic areas in Jeonbuk Province. The soil samples were collected every four years from 1999 to 2015. Soil pH and exchangeable K and Mg concentrations declined during the experimental periods. However, almost all the chemical properties were within the proper levels for paddy soil, except exchangeable Mg concentration. Distributed areas of the paddy fields with soil pH below 5.5 continuously increased, but the paddy fields with lower concentrations of soil organic matter and available $P_2O_5$ than the proper levels declined after 2007. In addition, the paddy fields with available $SiO_2$ below the proper concentration decreased from 83.3% of the total paddy fields studied in 1999 to 61.0% of the total fields investigated in 2015. The paddy fields with lower exchangeable K and Mg than the proper levels increased after 2003 whereas the fields with lower exchangeable Ca concentration decreased. Dominant landform of coastal and plain areas was fluvio-marine plains that was distributed in 53.7% and 40.9%, respectively. Local valley and fans was a dominant landform of mountainous and middle-mountainous areas, which was 51.8% and 67.6%, respectively. Dominant soil textures distributed in coastal and plain areas were silty loam and loam. Those in mountainous and middle-mountainous areas were sandy loam and loam, respectively. Soil pH was relatively higher in coastal area and the comparatively higher content of soil organic matter was found in costal area than other areas. The concentrations of available $P_2O_5$, exchangeable Ca, and exchangeable Mg were generally higher in mountainous, coastal, plain areas, respectively, but available $SiO_2$ and exchangeable K concentrations were not significantly different among the different topographic areas.
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Investigation of Soil Physico-chemical Properties in Saemangeum Reclaimed Tidal Land in Korea
Ahn, Byung-Koo,Lim, Yeon-Yi,Ko, Do-Young,Lee, Chang-Kyu,Kim, Jin-Ho,Song, Young-Ju,Lee, Jin-Ho 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.4
This study was conducted to investigate the physical and chemical properties of soils in Saemangeum reclaimed lands. The investigated areas were total 5,020 ha which included 220 ha for Agricultural Life site, 2,450 ha for Tourism & Leisure site, 1,130 ha for Industrial & Research site, 820 ha for Bioenergy crop production site, and 400 ha for Rural City site. Soil samples consisting of the upper 20 cm from the surface were collected in every $200m{\times}500m$ of the each site in March and September, 2015. Particle size distribution of soils in the reclaimed land was 83.2% sand, 8.6% silt and 8.2% clay in average. Soil texture was distributed as 40.8% sandy soil, 35.5% loamy sand, and 19.7% sandy loam. Based on the investigation of soil chemical properties conducted in March, 2015, soil pH, electrical conductivity of a saturated soil paste extract (ECe), and exchangeable (Exch.) $K^+$ and $Mg^{2+}$ concentrations were higher than those of the optimum levels for upland soil, whereas soil organic matter content, available (Avail.) phosphate concentration, and Exch. $Ca^{2+}$ concentration were lower than those of the optimum ranges. Depending on the results of the soil chemical properties measured in September, 2015, soil pH, ECe, and Exch. $K^+$ concentration were higher than those of the optimum levels, but soil organic matter, Avail. phosphate, and Exch. $Ca^{2+}$ concentration were lower than the optimum ranges. In addition, distribution of sodic soil ranged between 41.4% and 50.0%, and saline soils were from 16.4 to 31.8%. Soils with pH values above 7.0 increased from 15.3% in March to 35.2% in September. Soils with ECe values over $4.8dS\;m^{-1}$ increased from 45.6% to 50.7%, whereas soils with the values below $2.0dS\;m^{-1}$ decreased from 42.8% to 36.9%.
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Byung-Koo Ahn,Do-Young Ko,Hyo-Jin Kim,Min-Sil Ahn,Jin-Ho Lee,Yee-Jin Lee 한국토양비료학회 2018 한국토양비료학회지 Vol.51 No.3
Cirsium japonicum var. ussuriense is a perennial herb grown widely in Korea and also known as Korean thistle which is used in oriental medicine with various pharmacologic effects. This study was conducted to investigate the growth of Korean thistle and the changes of soil chemical properties in the thistle fields as influenced by different application levels of nitrogen (N), phosphorus (P), and potassium (K) fertilizers as N, P₂O₅, and K₂O, and to determine the optimal application levels of N, P, and K fertilizers for cultivating the Korean thistle. The N, P, and K fertilizers were applied as 0 (0%), 0.5 (50%), 1.0 (100%), 1.5 (150%), and 2.0 (200%) times based on the level of N, P, and K treatments (N-P₂O₅-K₂O = 61-70-72 kg ha<SUP>-1</SUP>) for conventional thistle cultivation. Selected chemical properties of soils at harvesting stage of the plant as compared to those before transplanting the plant were as follows: soil pH value and available P concentration decreased. Electrical conductivity (EC) value and N concentration increased with increasing the amounts of P application , but soil organic matter (SOM) content was not changed. In particular, the concentrations of exchangeable Mg were proportionally increased with increasing N applications. The plant uptake of N increased up to 100% of the N application level, but it decreased with over 150% of the N treatment level. On the other hand, P and K uptake increased up to 100% of the P and K application levels, but the K uptake was not changed with over 150% of the K level. Based on productivity of the plant aerial part, we suggest that the optimal rates of N, P, and K fertilizer applications would be as N-P₂O₅-K₂O = 87-52-81 kg ha<SUP>-1</SUP>. In addition, the concentrations of selected phytochemicals in the plant were also changed with the different fertilizations. Total flavonoid concentration in the plant was highest at 50% of the N application level and control K level. Total polyphenol concentration was highest at 50% of the N level and lowest at 200% of the K treatment level.
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Byung-Koo Ahn,Do-Young Ko,Chang-Kyu Lee,Jin-Ho Kim,Young-Ju Song,Jin-Ho Lee 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.3
The aim of this study was to examine the selected soil chemical properties of paddy fields in different topographic areas to efficiently manage nutrient valances of the paddy fields in Jeonbuk Province. Three-hundred soil sampling sites in paddy fields were selected from the different topographic areas in Jeonbuk Province. The soil samples were collected every four years from 1999 to 2015. Soil pH and exchangeable K and Mg concentrations declined during the experimental periods. However, almost all the chemical properties were within the proper levels for paddy soil, except exchangeable Mg concentration. Distributed areas of the paddy fields with soil pH below 5.5 continuously increased, but the paddy fields with lower concentrations of soil organic matter and available P₂O5 than the proper levels declined after 2007. In addition, the paddy fields with available SiO₂ below the proper concentration decreased from 83.3% of the total paddy fields studied in 1999 to 61.0% of the total fields investigated in 2015. The paddy fields with lower exchangeable K and Mg than the proper levels increased after 2003 whereas the fields with lower exchangeable Ca concentration decreased. Dominant landform of coastal and plain areas was fluvio-marine plains that was distributed in 53.7% and 40.9%, respectively. Local valley and fans was a dominant landform of mountainous and middle-mountainous areas, which was 51.8% and 67.6%, respectively. Dominant soil textures distributed in coastal and plain areas were silty loam and loam. Those in mountainous and middle-mountainous areas were sandy loam and loam, respectively. Soil pH was relatively higher in coastal area and the comparatively higher content of soil organic matter was found in costal area than other areas. The concentrations of available P₂O5, exchangeable Ca, and exchangeable Mg were generally higher in mountainous, coastal, plain areas, respectively, but available SiO₂ and exchangeable K concentrations were not significantly different among the different topographic areas.
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