Annals of Occupational and Environmental Medicine

Kyung Suk Lee

4 Articles

Suicide Trend of Standardized Mortality Ratio and Age Standardized Proportion Mortality Ratio According to Occupational Groups in Korea: 1993-2007: Jin Ha Yoon, Ki Hyun Lee, Kyu Yeon Hahn, Sei Jin Chang, Bong Suk Cha, Seong Ho Min, Kyung Suk Lee, Hye Seon Chae, Aeyong Eom, Sang Baek Koh; Korean Journal of Occupational and Environmental Medicine 2011;23(2):173-182. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.173

OBJECTIVES
A number of studies on the trends of socioeconomic differences in suicide mortality have indicated that these inequality gaps have widened over time and highlight that certain occupations have more suicide risk than others. However suicide rates according to occupation based socioeconomic position have not been frequently studied in Korea. The purpose of this study is to report trends and inequality of suicide according to occupation based social class during 1993-2007 in Korea and to identify occupations with significantly high standardized mortality ratios (SMRs) and proportional mortality ratios (PMRs) for both men and women.
METHODS
Korean census records for the years 1995, 2000, and 2005 were linked with the cause of death records from Korean National Statistical Office (KNSO) for the periods 1993-1997, 1998-2003, and 2004-2007 respectively. This data was used to calculate age adjusted proportional mortality ratios (PMRs) and standardized mortality ratios (SMRs) for both men and women aged 25~54 years according to five occupation based socioeconomic positions.
RESULTS
Among men, the agricultural-fishery-forestry group had the greatest suicide rate (SMR: 341) with a high PMR (113) and the manual labor group showed the highest PMR (118), while the managers-professional occupation group showed the lowest sPMR (78) and SMR (21). Among women, the agricultural-fishery group had the highest score in SMR (316) and PMR (130), and the technical-artificer group showed the lowest sPMR (71) and SMR (27). The inequality gaps in the suicide mortality rate according to occupation had widened during 1998-2002, but showed a recovery trend plot after 2003.
CONCLUSIONS
Although the occupation based socioeconomic inequalities show a recovery trend after 2003, the excess inequality from suicide remains as high as it was prior to the 2002 year in some occupational groups. The results of the current study indicate that the manual and agricultural-fishery-forestry groups were high risk groups of suicide.

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Health and Mortality in Korean Healthcare Workers
Yoonhee Shin, Ui Jeong Kim, Hye Ah Lee, Eun Jeong Choi, Hyun Jin Park, Hyeong Sik Ahn, Hyesook Park
Journal of Korean Medical Science.2022;[Epub] CrossRef
Suicide Trends over Time by Occupation in Korea and Their Relationship to Economic Downturns
Jin-Ha Yoon, Sun Jae Jung, Jaesung Choi, Mo-Yeol Kang
International Journal of Environmental Research and Public Health.2019; 16(11): 2007. CrossRef
Suppressing emotion and engaging with complaining customers at work related to experience of depression and anxiety symptoms: a nationwide cross-sectional study
Jin-Ha YOON, Mo-Yeol KANG, Dayee JEUNG, Sei-Jin CHANG
INDUSTRIAL HEALTH.2017; 55(3): 265. CrossRef
Does High Emotional Demand with Low Job Control Relate to Suicidal Ideation among Service and Sales Workers in Korea?
Jin-Ha Yoon, Dayee Jeung, Sei-Jin Chang
Journal of Korean Medical Science.2016; 31(7): 1042. CrossRef
Oral Health and Occupational Status among Korean Adults
Bo-Mi Shin, Soo-Myoung Bae, Sang-Hee Yoo, Sun-Jung Shin
Journal of dental hygiene science.2016; 16(3): 225. CrossRef
Relationship between Long Working Hours and Suicidal Thoughts: Nationwide Data from the 4th and 5th Korean National Health and Nutrition Examination Survey
Jin-Ha Yoon, Pil Kyun Jung, Jaehoon Roh, Hongdeok Seok, Jong-Uk Won, Kenji Hashimoto
PLOS ONE.2015; 10(6): e0129142. CrossRef
The association between concealing emotions at work and medical utilization in Korea
Hongdeok Seok, Jin-Ha Yoon, Wanhyung Lee, June-Hee Lee, Pil Kyun Jung, Inah Kim, Jong-Uk Won, Jaehoon Roh
Annals of Occupational and Environmental Medicine.2014;[Epub] CrossRef
Suicide rates among working-age adults in South Korea before and after the 2008 economic crisis
Chee Hon Chan, Eric D Caine, Sungeun You, King Wa Fu, Shu Sen Chang, Paul Siu Fai Yip
Journal of Epidemiology and Community Health.2014; 68(3): 246. CrossRef
Investigating the Time Lag Effect between Economic Recession and Suicide Rates in Agriculture, Fisheries, and Forestry Workers in Korea
Jin-Ha Yoon, Washington Junger, Boo-Wook Kim, Young-Joo Kim, Sang-Baek Koh
Safety and Health at Work.2012; 3(4): 294. CrossRef

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Job Stress and Self-perceived Fatigue in Korean Farmers: Ki Hyun Lee, Sang Baek Koh, Dongmug Kang, Jin Joo Chung, Hyoung Ryoul Kim, In Ah Kim, Kyung Suk Lee, Sook Jung Hyun, Kang Myoung Lee, Jin Ha Yoon, Sung Kyung Kim, In Jung Cho, Jung Kyu Choi, Sung Soo Oh, Bong Suk Cha, Sei Jin Chang; Korean Journal of Occupational and Environmental Medicine 2011;23(2):213-224. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.213

Abstract PDF

OBJECTIVES
A growing body of research has documented that job stress has a pivotal role in developing adverse health outcomes. However, little is known about the relationship between farmers' job stress and health outcomes. This study was undertaken to identify the relationship between job stress and self-perceived fatigue in Korean farmers.
METHODS
A total of 526 Korean farmers were asked to participate in this study. A self-administered questionnaire was used to assess the participants' general characteristics, job stress and self-perceived fatigue. Job stress was measured using a forty-eight item Farm Stressor Inventory (FSI), and the self-perceived fatigue was estimated by Multidimensional Fatigue Scale (MFS). Binary logistic regression analysis was conducted to examine the relationship between job stress and self-perceived fatigue.
RESULTS
The result showed that job stress was associated with self-perceived fatigue. For the farmers with high job stress, the risk of self-perceived fatigue was more likely to increase compared to those with low job stress. For males, labor intensity (OR, 3.88; 95% CI, 1.91~7.89), job environment (OR, 2.45; 95% CI, 1.22~4.93), social support (OR, 2.10; 95% CI, 1.07~4.13), social isolation (OR, 2.45; 95% CI, 1.15~5.60), financial problems (OR, 3.25; 95% CI, 1.53~6.91), uncertainty (OR, 2.48; 95% CI, 1.30~4.75) and health problems (OR, 5.77; 95% CI, 2.46~13.53) were associated with self-perceived fatigue. For females, job environment (OR, 2.23; 95% CI, 1.22~4.08), social isolation (OR, 2.08; 95% CI, 1.05-4.15), physical environment & weather condition (OR, 2.61; 95% CI, 1.33~5.12), financial problems (OR, 2.87; 95% CI, 1.55~5.32), uncertainty (OR, 3.65; 95% CI, 1.95~6.83) and health problems (OR, 3.38; 95% CI, 1.57~7.27) were associated with self-perceived fatigue.
CONCLUSIONS
This result suggests that farmers' job stress plays a role in the development of fatigue, and job stressors related to fatigue are slightly different according to gender.

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Association Between Ergonomic Burden Assessed Using 20-Item Agricultural Work-Related Ergonomic Risk Questionnaire and Shoulder, Low Back, and Leg Pain in Korean Farmers
Sora Baek, Jintae Park, Eun Kyoung Kang, Gowun Kim, Hyocher Kim, Hee-Won Park
Journal of Agromedicine.2023; 28(3): 532. CrossRef
Analysis of Brain Stress in Response to Temperature Changes under Agricultural Work Using Electroencephalogram Measurement
Seok-Joon Hwang, Ju-Seok Nam
Agriculture.2023; 13(9): 1801. CrossRef
A Study on the Factors Influencing Farmers’ Work-Life Balance and Social Support on Job Stress
Jung Shin Choi, Choi Yoon Ji, Chae Hye Sung, Kim Ga Hee
The Korean Journal of Community Living Science.2022; 33(4): 717. CrossRef
Analysis of stress, musculoskeletal disorders, and fatigue among broadcasting actors
Moon-Hee Park, Ham-Gyum Kim, Hae-Kag Lee
Journal of Physical Therapy Science.2016; 28(11): 3047. CrossRef
Farmers’ Cohort for Agricultural Work-Related Musculoskeletal Disorders (FARM) Study: Study Design, Methods, and Baseline Characteristics of Enrolled Subjects
Hannae Jo, Sora Baek, Hee-won Park, Sang-Ah Lee, Jiyoung Moon, Jae E. Yang, Ki Sung Kim, Jee Yong Kim, Eun Kyoung Kang
Journal of Epidemiology.2016; 26(1): 50. CrossRef
Relationship between Job Stress and Fatigue Symptoms among Manufacturing Male Workers
Hu-Yeon Lee, Jong-Tae Baek, Young-Chae Cho
Journal of the Korea Academia-Industrial cooperation Society.2016; 17(7): 543. CrossRef
Examining the Relationship between Exercise and Psychological Stress among the Rural Population
Jung-Woo Oh, Hyun-Jin Kwon, Sang-Hwa Lee, Jung-Jun Lim, Bo-Youl Choi, Mi-Kyung Kim, Yeon-Soo Kim
The Korean Journal of Sports Medicine.2015; 33(2): 126. CrossRef
The Effects of Job Characteristics on Smoking and Mediating Effects of Job Stress among Older Workers
Sungeun Lee
Korean Journal of Health Education and Promotion.2014; 31(3): 51. CrossRef
Work-related hazards among farmers
Soon Chan Kwon, Soo-Jin Lee, Mihye Jeong
Journal of the Korean Medical Association.2012; 55(11): 1046. CrossRef
The Relation Between the Occupational Stress and Fatigue Level of Neonatal Nurses
Eun-A Park, Jeong-Eon Park
Korean Journal of Occupational Health Nursing.2011; 20(3): 261. CrossRef

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Radiological Flattening of Lumbar Lordosis and Related Factors in Some Korean Farmers: Han Soo Song, Sang Kon Yoo, Chang Ki Choi, Chul Gab Lee, Kyung Suk Lee; Korean Journal of Occupational and Environmental Medicine 2010;22(4):279-289. Published online December 31, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.4.279

Abstract PDF

OBJECTIVES
To determine if agricultural work is related to radiological flattening of lumbar lordosis, and to identify the relationship between of back pain and flat back in selected Korean farmers.
METHODS
Between June 2006 and July 2008, 414 farmers, 155 (37.4%) males and 259 (62.6%) females participated in this study. We collected data on hazardous agricultural work postures and other factors from interviews, surveys, and x-ray views of lateral lumbar. The operational definition of a flat back was below -1 SD of lordotic angle, with a normal distribution between L1 and S1 level. Logistic regression analysis was conducted to evaluate the relationship between flat back and hazardous working posture ratio, sex, the severity of back pain.
RESULTS
Mean lordotic angle was 42.9+/-15.7degrees. Flat back had a higher prevalence in the females (24.7%) than the males (5.8%). The odds ratio of flat back risk is 3.30 (95% CI: 1.46~7.46) in the females compared to the males, 1.31 (95% CI: 0.61~2.79), 4.11 (95% CI: 1.77~9.55) in the group of hazardous working posture ratio compared to the low risk group, 2.78 (95% CI: 1.27~6.07), 5.74 (95% CI: 2.27~14.49) in the group of L4-L5 disc space narrowing compared to normal group, 3.06 (95% CI: 1.27~7.31), 5.45 (95% CI: 1.70~17.46) in the group of lumbar spine compression fracture compared to no fracture. Odds ratio of severe back pain is 2.29 (95% CI: 1.12~4.72) in the group of flat back compared to normal group.
CONCLUSIONS
Hazardous agricultural working postures, such as 'low- lifting, pulling, pushing work and high- squatting posture work' are associated with flat back. Low back pain is significantly associated with flat back group in female farmers.

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Effect of thigh muscle fatigue on the biomechanical factors of the lower limbs when walking in a squatted position
Wan-Ki Hong, Chul-Gab Lee, Dae-Sik Ko
Journal of Physical Therapy Science.2016; 28(3): 1007. CrossRef
Epidemiology of Scrub Typhus and the Eschars Patterns in South Korea from 2008 to 2012
Ji-Hyuk Park, Sun-Ja Kim, Seung-Ki Youn, Kisoo Park, Jin Gwack
Japanese Journal of Infectious Diseases.2014; 67(6): 458. CrossRef
Work-related musculoskeletal disorders in Korean farmers
Chul Gab Lee
Journal of the Korean Medical Association.2012; 55(11): 1054. CrossRef
Foot Type Classification of Korean Male Farmers for Ergonomic Work Shoes Design
Dohee Kim, Kyoung Suk Hwang, Kyung Suk Lee
Journal of the Ergonomics Society of Korea.2012; 31(6): 773. CrossRef

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Effect of Muscle Strengthening Exercise on Psychosocial and Physical Status in Farmers: Min Ye Jung, No Yul Yang, In Gyu Yoo, Sang Baek Koh, Kyung Suk Lee, Kyungran Kim, Hyocher Kim; Korean Journal of Occupational and Environmental Medicine 2008;20(4):343-350. Published online December 31, 2008; DOI: https://doi.org/10.35371/kjoem.2008.20.4.343

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OBJECTIVES
To evaluate both the psychosocial and physical effects of muscle strengthening exercise on farmers, and in so doing evaluate their effect on musculoskeletal disorders in farmers.
METHODS
28 subjects participated in our muscle strengthening exercise program. Mean age of subjects was 63+/-13 years. The exercise program was performed 3 times a week during the 8 week studys period. Before and after training various measurements were made: self esteem scale (SES), psychosocial wellbeing index short form (PWI-SF), static and dynamic balance ability, grip strength, arm curl, time up and go (TUG), functional reach, and oswestry disability index.
RESULTS
The muscle strengthening exercise program increased the self-esteem, grip strength and static and dynamic balance of subjects, while psychosocial stress and low back pain levels were decreased significantly (p<0.05).
CONCLUSIONS
The muscle strengthening exercise improved psychosocial and physical status of test subjects. Thus, exercise may be an effective strategy for enhancing the psychosocial and physical health of farmers.

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Examining the Relationship between Exercise and Psychological Stress among the Rural Population
Jung-Woo Oh, Hyun-Jin Kwon, Sang-Hwa Lee, Jung-Jun Lim, Bo-Youl Choi, Mi-Kyung Kim, Yeon-Soo Kim
The Korean Journal of Sports Medicine.2015; 33(2): 126. CrossRef
Effect of Exercise on Mental Health in Female Elementary School Teachers
Nami Chun, Hyun Ju Chae
Journal of the Korean Society of School Health.2014; 27(1): 22. CrossRef

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