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Original Articles
- The Relationship between Change in Obesity Indices and Change in Serum Lipids in Adult Male Workers.
- Young Ae Ha, Byung Yeol Chun, Sin Kam, Sung Kook Lee, Min Hae Yeh
- Korean J Prev Med. 1996;29(3):439-450.
- 2,032 View
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Abstract
PDF - This study was conducted to evaluate the relationship between change in obesity indices and change in serum lipids in adult male workers. Two-hundred-eight adult male workers of an industry in Taegu city were followed-up from 1991 to 1995. Height, weight, circumferences of hip and waist, blood pressure were measured and serum lipids were analysed. Data on life style were obtained using self-administered questionnaires. Mean differences of anthropometric measurements between 1991 and 1995 were as follows; 1.63kg in weight, 3.61cm in waist circumferences, 4.23cm in hip circumferences, 0.52kg/m2 in BMI and -0.021 in WHR. Those of lipids were as follows; 15.09mg/dl in total cholesterol, 20.43mg/dl in triglyceride, 9.40mg/dl in HDL-cholesterol, 2.87 in MI-index(p<0.01) and 350mg/dl in LDL-cholesterol. The changed value of BMI and Katsura index were strongly correlated with that of total cholesterol(r=0.174, p<0.05), the changed value of BMI correlated with that of triglyceride(r=0.374, p<0.01) and the changed value of weight correlated with that of MI index(r=-0.173, p<0.05). The changed value of WHR was significantly correlated with that of total cholesterol(r=0.162, p<0.05), however, was not significantly correlated with HDL-cholesterol, LDL-cholesterol, triglyceride and MI index. The changed value of weight, BMI and Katsura index were correlated with that of triglyceride(r=0.262, p<0.01; r=0.267, p<0.01; r=0.258, p<0.01) and the changed value of MI index(r=-0.143, p<0.05; r=-0.158; r=-0.144, p<0.01), adjusting the pattern of change in life style. The changed values of HDL-cholesterol and MI index between 1991 and 1995 in low WHR group were significantly higher than those in high WHR group(p<0.05, p<0.01), adjusting the baseline value of them. Similar pattern was observed when considering Katsura index. When stratifying by BMI value of 1991, in low BMI group, the changed value of HDL-cholesterol and MI index showed the same pattern as above, however the of triglyceride was statistically higher in obese group than in non obese group(p<0.05). In conclusion BMI might be a better indicator to predict serum lipids change than other obesity indices.
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SummaryTOP
- A Survey on Health Behavior of Male Workers in Steel Industry.
- Eun Hee Ha, Hyun Sul Lim, Cha Hyung Wie, Jung Ok Kwak
- Korean J Prev Med. 1996;29(1):113-132.
- 2,219 View
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Abstract
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- This study was carried out to evaluate the relations among workers' general characteristics, work-related behaviors and health related behaviors in a steel industry with 1,134 workers in Pohang. The results were as follows; 1. The mean age of workers was 50 years old and working duration was 15 years and over. Most of them were married(94 5%) and had studied beyond high school (53.0%). They performed three shift work and most of them(63.0%) had experienced industrial accidents. The frequency of noise and dust exposure was defined by a minimum of 6 hours per day, and workers complained about noise exposure(62.9%) and dust(55.6%). There were current smokers(67.7%), current drinkers(74.3%) and current exercising workers(32.3%) in the industry. The number of cigarette consumption in current drinkers was significantly high (13.6 +/- 8.4 pieces/day) and the alcohol consumption in current smokers was significantly high(l04.5 +/- 113.5 g/wk). And the number of cigarette consumption of exercisers was significantly low and the alcohol consumption of exercisers was higher than non-exercisers. 3. The ratio of current smokers on frequent noise in exposed workers versus non-exposed workers was not significantly high but the current drinkers in frequent noise and dust exposed workers was significantly higher than non--exposed. 4. The normal levels of SGOT workers in non-smokers were significantly higher than in current smokers, and the abnormal levels of LFT(SGOT, SGPT, gamma-GTP workers in nondrinkers were significantly high. The normal levels of SBP and DBP workers in current smokers were not significantly high but were significantly high in non-drinkers. 5. The ratio of current smokers in workers unsatisfied with their job and working condition was higher than non-smokers, but the ratio of current drinkers in workers satisfied with their job and working condition were higher. 6. The significant factors for SGOT and gamma-GTP were age, the drinking amount and BMI. But the only significant factor for r-GTP was BMI. The significant factors for DBP were age, the alcohol consumption and BMI And the significant factors for SBP were age, BMI.
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Summary
- Performance Ranges of the Neurobehavioral Core Test Battery among Female Workers Occupationally Not Exposed to Neurotoxic Agents in Manufacturing Industries.
- Kyung Jae Lee, Se Hoon Lee, Hyoung Ah Kim, Won Chul Lee, Seong Sil Chang, Chung Yill Park, Chee Kyung Chung
- Korean J Prev Med. 1995;28(4):911-923.
- 2,464 View
- 56 Download
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Abstract
PDF
- With increased use of neurotoxic agents in manufacturing industries, hazardous effects of neurotoxic agents pose significant problems in protecting health of workers who work in these industries. A normal range of neurobehavioral performance is required 10 study hazardous effects of neurotoxic agents among workers. However, such reference for Korean population is not available yet. The objective of this study is to estimate a normal range of neurobehuvioral test performance of female workers in Korea. Data for neurobehavioral test performance developed by the world Health organization were obtained from 165 female workers. Study Subjects, 140 production workers and 25 clerks, who voluntarily participated in this study were not occupationally exposed to neurotoxic agents. The mean age and the mean education years of them were 32 years and 10.9 years, respectively. Santa Ana dexterity, pursuit aiming, digit symbol, simple reaction time, and Benton visual retention tests among the Neurobehavioral Core Test Battery(NCTB) were included in the evaluation. Subjects were interviewed by a trained interviewer for their detailed occupational history. Mean(+/-SD) performance of the participants were: 45.7+/-7.1 and 41.9+/-6.4 in the Santa Ana dexterity test of the preferred and non-preferred hands; 191.9+/-38.6 in correct dot of the pursuit aiming test; 57.7+/-16.0 in the digit symbol test; 274.8+/-44.6 msec in the mean simple reaction time and 70.5+/-69.0 msec in the mean standard deviation of it; and 7.8+/-1.7 in the Benton visual retention test. Most neurobehavioral performance scores were correlated significantly with age and educational level. Educational level was found to be a significant independent variable which was associated with all test scores. Age was significantly associated with scores of pursuit aiming and digit symbol tests.
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