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Determinants on Occurrence of Hypertension in the Korean Adult Male Workers in an Industry: a Nested Case-control Study
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Noh Won Park, Il Suh, Tae Yong Lee, Sun Ha Jee, Se Ho Kim
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Korean Journal of Occupational and Environmental Medicine 1999;11(4):505-515. Published online December 31, 1999
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DOI: https://doi.org/10.35371/kjoem.1999.11.4.505
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- OBJECTIVES
In order to find determinants on occurrence of hypertension in the adult male workers in an industry, a nested case-control study was performed in Seoul, Korea at the periodic health examination center.
METHODS
A cohort was formed with 1,690 normotensive male workers in 1996 and 1997, who had participated in three consecutive periodic health examinations from 1996 through 1998. Cases were 89 hypertensives in 1998, controls were 356 selected by 1:4 age-matching among 1,601 normotensives in 1998. Baseline health behavior (drinking smoking, exercise), baseline health examination data (height, weight, BMI, blood pressure. hemoglobin, fasting blood sugar, serum total cholesterol), and the changes of data during the study period were compared between case and controls. And multiple logistic regression was performed to find determinants on occurrence of hypertension.
RESULTS
There was significant difference in alcohol consumption amount, baseline weight, DM1, blood pressure, total cholesterol, and hemoglobin level. The main determinants on occurrence of hypertension from multiple logistic regression analysis were baseline systolic blood pressure (OR, 1. 13; 95% confidence interval 1.08-1.18%), 15-21 drinks per week (OR, 4.17; 95 % confidence interval 1.44-12.11), and 22 or more drinks per week (OR, 5.29; 95 % confidence interval 1.50-18.58).
CONCLUSIONS
This study showed the importance of baseline blood pressure level and adequate drinking habit for the management of hypertension.
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The Correlation of Cardiovascular Risk Factors and Hearing Loss
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Sung Pil Jung, Soo Young Kim, Tae Yong Lee, Young Chae Cho, Dong Bae Lee
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Korean Journal of Occupational and Environmental Medicine 1998;10(2):189-202. Published online May 31, 1998
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DOI: https://doi.org/10.35371/kjoem.1998.10.2.189
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- To investigate the effects of cardiovascular risk factors on hearing loss, hearing threshold and cardiovascular risk factors such as blood pressure, hematologic values, and serum lipid levels of 3,827 persons who visited the Health Center of a University Hospital in Kumi for health examination from January 1, 1995 to July 31, 1997 were analysed. The results were summarized as follows ; 1. Hearing threshold was shifted highly in both sex groups with age increased. Smoking did not influence increase of hearing loss, but drinking alcohol amount increased hearing threshold when sex was adjusted. The most highly increased hearing threshold showed among farmers group, but next was blue collars group. Hearing threshold increasing basis with BMI increased. 2. Systolic and diastolic blood pressure and hematocrit value increased the hearing threshold in both sex groups, but hemoglobin value did not related to the hearing threshold. 3. Total cholesterol, LDL-cholesterol, triglyceride, and atherosclerosis index were significantly increased with the grade of hearing lose increased, when age was adjusted. 4. In the logistic regression analysis, the atherosclerosis index, age, and hematocrit value revealed risk factors which contributed in that orders, though the values were small they showed statistical significances, but the risks were lowered when hemoglobin values increased, in both sex groups. Consequently, hyperlipidemia was significantly related to the hearing loss when age was adjusted.
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Citations
Citations to this article as recorded by  - Spatio-temporal Characteristics of the Frequency of Weather Types and Analysis of the Related Air Quality in Korean Urban Areas over a Recent Decade (2007-2016)
Hyeong-Sik Park, Sang-Keun Song, Seung-Beom Han, Seongbin Cho
Journal of Environmental Science International.2018; 27(11): 1129. CrossRef
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Changes of Renal Cadmium Accumulation Levels and Urinary Cadmium Excretion Levels Induced by Long-term Cadmium Exposure in Rats
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In Soon Song, Yong Chae Cho, Soo Young Kim, Am Park, Kyung Sun Son, Tae Yong Lee, Dong Bae Lee
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Korean Journal of Occupational and Environmental Medicine 1997;9(1):109-121. Published online February 28, 1997
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DOI: https://doi.org/10.35371/kjoem.1997.9.1.109
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Abstract
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- This study was performed to compare the cadmium accumulation levels in kidney with urinary cadmium excretion levels according to the duration of cadmium exposure in rats. Total 120 male rats, 6 weeks of age, were administered 0.5 mg/day of Cd to subcutaneously, intraperitoneally and orally 6 times per week for 12 weeks. The animals were sacrificed in the 1st day of 2nd, 4th, 6th, 8th, 10th and 12th week after beginning of cadmium administrations. Body weight, hematologic values, enzyme activities, renal Cd levels, urinary Cd and proteins were calculated and each value was compared according to the Cd administration routers. The Cd accumulation levels in the kidney of rats increased remarkably for 6-8th weeks which were experimented and urinary Cd excretion levels and urinary protein levels showed the tendency of increasing with the Cd accumulations in kidneys, especially in the subcutaneous injected rats. On the other hand, there was a significant positive correlation among the total Cd administration, the Cd accumulation in the kidneys, the urinary Cd excretion and protein.
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Effect of Maternal Job Activity on Preterm Delivery, Low Birth Weight and Spontaneous Abortion
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Yong Deok Shin, Tae Yong Lee, Young Soo Lee, Dong Bae Lee
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Korean Journal of Occupational and Environmental Medicine 1994;6(1):69-84. Published online February 28, 1994
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DOI: https://doi.org/10.35371/kjoem.1994.6.1.69
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- To investigate the effect of maternal job activity on the preterm delivery, low birth weight infant and spontaneous abortion, 1646 delivery data were analyzed from Jan. 1991 to Dec. 1992 in Chungnam University Hospital.
The results obtained were as follows; 1. The percentage of subjects who had job during pregnancy was 20.3% and the variables of maternal age, education level, prepregnancy weight, maternal height, number of abortion showed significant difference in the distribution of subjects whether they had job or not.
2. There were no significant difference between the group who had job during pregnancy and those who had no job in the mean gestational period, number of spontaneous abortion, rate of preterm delivery and spontaneous abortion. However mean birth weight and rate of low birth weight showed significant difference between the groups.
3. The rate of preterm delivery of the group who had job were higher than those who had no job activity in the subgroup of 35 years or more age, prematurity history presence, 2 or more abortion history, obstetric complication presence, but there were no significant difference. The rate of low birth weight also higher in the group who had job than those who had no job activity in the same subgroup except obstetric complication presence.
4. The rate of spontaneous abortion of the group who had job were higher than those who had no job activity in the subgroup of 35 years or more age, below high school, height of 163cm or above, but there were no significant difference.
5. Rate of preterm delivery still showed better results in the group who had job than the group who had no job when adjusted for variables related, but there was no statistical significance.
6. Rate of low birth weight still showed better results with statistical significance in the group who had job than the group who had no job when adjusted for variables related.
7. Spontaneous abortion had occured less frequently in the group who had job than the group who had no job when adjusted for variables related.
8. Rate of preterm delivery and low birth weight were lower in the group of teacher, bank clerk, medical personnel, citizen servant than the group who had no job, but higher in the job of company employee, commerce. Spontaneous abortion was most frequent in group of commerce, and the group of teacher, company employee showed higher rate of abortion than the group who had no job.
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