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Original Articles
Association of Subway Driver's Depressive Symptoms and Experience of Work-Related Problems
Sun-Jin Jo, Hyeon Woo Yim, Hyoung-Ryoul Kim, Kang Sook Lee, Jong-Ik Park, Sung Man Chang
Epidemiol Health. 2010;32:e2010010.   Published online December 3, 2010
DOI: https://doi.org/10.4178/epih/e2010010
  • 14,907 View
  • 92 Download
  • 8 Crossref
AbstractAbstract PDF
Abstract
<sec><title>OBJECTIVES</title><p>Subway drivers experience various types of work-related problems during their driving, and those experiences can act as risk factors for depressive symptoms. This study was conducted to investigate the association between work-related problems and subway driver's depressive symptoms.</p></sec><sec><title>METHODS</title><p>We recruited all of the 961 current subway drivers of a subway company located in Seoul, South Korea and conducted a survey of their socio-demographic and vocational characteristics, hospital visits as an outpatient or inpatient, and work-related problem experiences during the last year. Work-related problems included an accident resulting in death or injury, a conflict with a customer, a sudden stop from an emergency bell, or a near accident. Depressive symptoms were measured with the Center for Epidemiologic Studies-Depression (CES-D) instrument. The survey was performed using a self-report questionnaire from April 16 to July 13, 2007. The data of 827 drivers (86.2%) were analyzed.</p></sec><sec><title>RESULTS</title><p>Experience of a conflict with a passenger (p=0.011), a sudden stop from an emergency bell (p=0.001), or a near accident (p=0.001) increased the prevalence of depressive symptoms among subway drivers. A multiple logistic regression analysis revealed that a sudden stop from an emergency bell increased the risk of depressive symptoms significantly (OR=2.59, p=0.026). Near accidents were marginally associated with a higher risk for depressive symptoms (OR=1.62, p=0.062).</p></sec><sec><title>CONCLUSION</title><p>The experience of a sudden stop from an emergency bell increased subway driver's depressive symptoms, and near accidents may increase the risk of depressive symptoms. Therefore, interventions for the drivers who had experienced these work-related problems are needed.</p></sec>
Summary

Citations

Citations to this article as recorded by  
  • Research on the Evaluation Method of the Railroad Drivers’ Safety Psychology
    创 高
    Advances in Psychology.2022; 12(02): 352.     CrossRef
  • Relationships of social support, coping styles, perceived stress, and quality of life: The difference between metro drivers and station attendants in Xi’an, China
    Bo Liu, Xiaoyang Xin, Quan Xu, Yue Han, Ying Li, Xuqun You
    Current Psychology.2022;[Epub]     CrossRef
  • Posttraumatic stress reactions of underground drivers after suicides by jumping to arriving trains; feasibility of an early stepped care outpatient intervention
    Giancarlo Giupponi, Heike Thoma, Dorian Lamis, Alberto Forte, Maurizio Pompili, Hans-Peter Kapfhammer
    Journal of Trauma & Dissociation.2019; 20(5): 495.     CrossRef
  • Factors associated with suicide ideation among subway drivers in Korea
    Junsu Byun, Hyoung-Ryoul Kim, Hye-Eun Lee, Se-Eun Kim, Jongin Lee
    Annals of Occupational and Environmental Medicine.2016;[Epub]     CrossRef
  • Sickness absence of LU train drivers after track incidents
    S. Chavda
    Occupational Medicine.2016; 66(7): 571.     CrossRef
  • Systematic Review of the Impact of Suicides and Other Critical Incidents on Railway Personnel
    Cécile Bardon, Brian L. Mishara
    Suicide and Life-Threatening Behavior.2015; 45(6): 720.     CrossRef
  • The association between psychiatric disorders and work-related problems among subway drivers in Korea
    Se-eun Kim, Hyoung-Ryoul Kim, Jong-Ik Park, Hae Woo Lee, Jongin Lee, Junsu Byun, Hyeon Woo Yim
    Annals of Occupational and Environmental Medicine.2014;[Epub]     CrossRef
  • Comments on Jo and Colleagues' Paper (2010) "Association of Subway Driver's Depressive Symptoms and Experience of Work-Related Problems"
    Jae-Min Kim
    Epidemiology and Health.2011; 33: e2011002.     CrossRef
Intervention Study for the Effectiveness of Alcohol Restriction to Blood Pressure.
Yeon Ee Song, Kang Sook Lee
Korean J Epidemiol. 2001;23(2):25-32.
  • 5,553 View
  • 14 Download
AbstractAbstract PDF
Abstract
PURPOSE
To assess whether blood pressure is reduced by the intervention of intensive weekly counseling to lower alcohol intake for 12 weeks in heavy drinkers with elevated blood pressure, we conducted the quasi-experimental study through workplace health promotion program.
METHODS
Thirty workers with an average intake of alcohol over 180 g/week(2 bottles of Soju, Korean popular liquor) and with over 90 mm Hg in diastolic blood pressure(DBP) or over 140 mm Hg systolic blood pressure(SBP) assigned to intervention group(15 men, IG) and control group(15 men, CG) voluntarily. Mean age was 47.2 6.5 and 43.0 5.4 years old respectivel. The goal of intervention was below 45g/week(1/2 bottle of Soju).
RESULTS
Average weekly alcohol intake after 12 weeks in IG was significantly reduced(before 300.6 114.8g/week, after 24.8 24.5g/week) compared with CG(before 334.4 150.7g/week, after 311.3 150.8g/week). In IG, SBP(before 141.5 9.4mm Hg, after 128.7 13.0mm Hg) and DBP(before 95.5 6.3mm Gg, after 88.0 10.8mm Hg) was significantly decreased after 12 weeks of alcohol restriction program, but in CG there was no change.
CONCLUSION
Restriction program of alcohol intake in workplace was so effective to reduce blood pressure among hypertensives, although this study has a limitation of small subjects, short duration of follow up and no randomized controlled design.
Summary
Development of Stress Measurement Tools in Korean Dental Laboratory Technicians.
Ji Hwan Kim, Won Chul Lee, Kang Sook Lee, Chul Lee, Kinam Jin
Korean J Epidemiol. 2000;22(2):171-171.
  • 5,328 View
  • 20 Download
AbstractAbstract PDF
Abstract
PURPOSE
This study was performed to develop a proper self-administered survey instrument which can be used to measure psychiatric stress symptoms in Korean dental laboratory technicians, and to investigate the relationship between the symptom dimensions and stress inducing factors, such as psychological distress, stress inducing overload, work demand, work procedure and so forth in them.
METHODS
Prepared questionnaires were mailed to 1,000 dental laboratory technicians who were systematically selected. There were 786 responses to the questionnaires. All the data obtained were analyzed with SAS program.
RESULTS
Fifty items for the stress symptom checklist for dental technician(SCLD) were selected after a pilot test, interviews and literature reviews. Stress symptoms were classified into the following 6 categories, i.e, somatization, obsessive-compulsive, interpersonal sensitivity, depression, anxiety, and hostility symptom. Factor analysis for validity was carried out for corroboration, using the SCL-90-R as a standard.
CONCLUSION
SCLD had the reasonable reliability and validity. We believe that this study provides validity and reliability for new self-report questionnaire, it will make a significant contribution to assessment of stress symptoms.
Summary
The Dose-response Relationship between Amount of Cigarette Smoking and Blood Lipids and Sugar.
Kang Sook Lee, Hyun Sook Hong, Jin Sook Jeong
Korean J Epidemiol. 1999;21(2):195-204.
  • 5,199 View
  • 12 Download
AbstractAbstract PDF
Abstract
PURPOSE
To explore the dose-response relationship between amount of cigarette smoking and blood lipids and sugar METHODS: In this cross-sectional study, we gathered the smoking history by self-administered questionnaire between 1994 and 1998 among 2888 men who visited the Health Promotion Center at St. Mary's Hospital, Seoul.
RESULTS
Adjusted for age, body mass index, the odds ratio of hypercholesterolemia (> or =240 mg/dl) were 2.06 (95% Confident Interval, 1.44-2.94), 2.03(95% CI 1.31-3.11), higher LDL-cholesterol(> or =160 mg/dl) were 2.06(95% CI 1.43-2.98), 2.25(95% CI 1.45-3.45) among group of men who smoked 21-30, over 30 cigarettes per day respectively compared with nonsmokers group. And adjusted for age, body mass index, the odds ratio of lower HDL-cholesterol(<35 mg/dl) were 1.76(95% CI 1.34-2.33), 1.98(95% CI 1.39-2.81), 2.35(95% CI 1.54-3.54), hypertriglyceridemia(> or =200 mg/dl) were 1.93(95% CI 1.47-2.55), 2.57(95% CI 1.82-3.62), 2.80(95% CI 1.86-4.21) among group of men who smoked 11-20, 21-30, over 30 cigarettes per day respectively compared with nonsmokers group. The adjusted odds ratio of diabetes(FBS> or =126 mg/dl) was 1.86(95% CI 1.10-3.06) only among who smoked more than 30 cigarettes compared with nonsmokers.
CONCLUSION
This study showed that there were dose-response relationships betwen amount of cigarette smoking and total cholesterol, HDL-cholesterol, LDL-cholesterol, triglyceride and sugar. It suggested that health promotion program including quitting and decrease of cigarette smoking would be necessary to prevent cardiovascular disease in Korean men.
Summary
The Association of Hyperinsulinemia with Other Cardiovascular Risk Factors.
Kang Sook Lee, Bok Rye Song
Korean J Epidemiol. 1998;20(1):167-177.
  • 5,348 View
  • 5 Download
AbstractAbstract PDF
Abstract
BACKGROUND
Hypertension, obesity, non-insulin dependent diabetes(NIDDM), and dyslipidemia are common metaolic disorders that afflict the majority of the elderly who live in Westernized societies. To explore whether the hyperinsulinemia associated with other cardiovascular risk factors in Asian populations such as Koreans.
METHODS
In this cross-sectional study we evaluated the association of hyperinsulinemia with hypertension, obesity, diabetes and hyperlipidemia. Subjects were 600 men and 396 women at least 20 years old who visited the prevention center at St. Mary's Hospital in Seoul, between March and August 1997 for a multiphasic health examination.
RESULTS
In hyperinsulinemia group( >90 percentile of fasting blood insulin 10.01uU/ml in men and 8.54 uU/mlin women), body mass index(BMI), fasting blood sugar, and triglyceride and systolic or diastolic blood pressure were significantly higher than normal insulin goup in both of men and women. The major contributable risk factor to blood insulin concentration was BMI(14% in men, 13% in women). In person with the highest tertile of insulin concentration compared with those in the lowest tertile, age adjusted odds ratio of hypertension, obesity, and hypertriglyceride were 2.22(95% Confidence Interval: 1.38-3.63), 6.96(4.31-11.51), and 4.05(1.88-9.75) in men, and 2.05(95% CI: 1.10-3.86), 4.34(2.39-8.16) and 6.84(1.18-129.40) in women. Age adjusted odds ratio for clusterin of cardiovascular risk factors in the higest tertile of insulin compared with those in lower insulin than that level were 8.74(2.82-29.27) in men and 4.91(1.19-21.79) in women.
CONCLUSION
The hyperinsulinemia was associated with hypertension, obesity, NIDDM and hypertriglyceridemia. Further prospective studies are required to investigate the effects of intervetion to improve insulin sensitivity such as calorie restriction and exercise.
Summary
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