Annals of Occupational and Environmental Medicine

Original Article

Burnout, stress, and their correlates among bank employees of South India: a cross-sectional study: Guruprasad Vinod, Srikant Ambatipudi; Ann Occup Environ Med 2024;36:e22. Published online August 28, 2024; DOI: https://doi.org/10.35371/aoem.2024.36.e22

Abstract PDF Supplementary Material PubReader ePub: Background
The banking sector is one of the job sectors that experience high stress, workload, complex interpersonal relationships, and job burnout as it involves interaction with the public and financial responsibilities, which leads to high burnout and stress. The present study was conducted to assess the prevalence of burnout and stress among bank employees and to find the associated factors.
Methods
This cross-sectional survey was conducted among 282 bank employees of Kollam district, Kerala, India. Data was collected using a self-administered questionnaire related to the socio-demographic and professional details. We used the Oldenburg Burnout Inventory (OLBI) to screen for burnout levels. Depression Anxiety Stress Scale (DASS 21) to screen for the levels of depression, anxiety, and stress among study participants. Descriptive statistics were used to summarize the data, and logistic regression was used to identify the factors associated with the levels of burnout and stress.
Results
Of 282 study participants, moderate to high levels of burnout were observed in 232 participants (82.2%), and 74 participants (26.2%) had mild to extremely severe levels of stress. Daily average working duration showed an association with higher levels of burnout (adjusted odds ratio [ORAdj]: 2.391; 95% confidence interval [CI]: 1.12–5.10) and stress (ORAdj: 3.37; 95% CI: 1.58–7.16).
Conclusions
A high prevalence of burnout and stress was observed in the present study. The duration of working hours was associated with both burnout and stress. Therefore, regulating the working hours may help adequately manage stress and burnout, thereby improving the mental health of bank employees.

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Research Article

Psychological effects of a disastrous hydrogen fluoride spillage on the local community: Seung-Hyun Yoo, Seong-Yong Yoon, Kuck-Hyun Woo, Jin-Seok Kim, Seong-Yong Cho, Sung-Soo Lee, Hyun-Sul Lim, Yeon-Soon Ahn, Won-Ho Yang; Ann Occup Environ Med 2017;29:40. Published online September 11, 2017; DOI: https://doi.org/10.1186/s40557-017-0196-6

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Background

On September 27, 2012, at 3:43 pm, a hydrogen fluoride spill occurred in a manufacturing plant located at the 4th complex of the Gumi National Industrial Complex in Gumi City, South Korea. The present study aimed to evaluate the psychological effects of the hydrogen fluoride spill on the members of the community and to investigate their relationships with physical symptoms and changes in psychological effects occurring as time passed after the accident.

Methods

The 1st phase involved a survey of 1359 individuals that was conducted 1 month after the spill, and the 2nd phase involved a survey of 711 individuals that was conducted 7 months after the accident. The questionnaires included items for assessing demographic characteristics, hydrogen fluoride exposure level, physical symptoms, and psychological status. Physical symptoms were assessed to determine the persistence of irritations. Psychological status was assessed to investigate the impact of event level using the Impact of Event Scale – Revised Korean version (IES-R-K), and the anxiety level was assessed using the Beck Anxiety Inventory (BAI).

Results

As the hydrogen fluoride exposure level increased, the impact of event and anxiety levels increased significantly both 1 and 7 months after the accident (p < 0.05). The mean score of the impact of event levels decreased significantly from 33.33 ± 14.64 at 1 month after the accident to 28.68 ± 11.80 at 7 months after the accident (p < 0.05). The mean score of the anxiety levels increased significantly from 5.16 ± 6.59 at 1 month after the accident to 6.79 ± 8.41 at 7 months after the accident (p < 0.05). The risk of persistent physical symptoms at 7 months after the accident was significantly higher in females. The risk of persistent physical symptoms also increased significantly, with increasing age, hydrogen fluoride exposure, and impact of event levels (p < 0.05).

Conclusions

The present study found that the impact of event level and anxiety level increased with increasing hydrogen fluoride exposure. Anxiety levels persisted even after time passed. The risk of persistent physical symptoms at 7 months after the accident was higher in females, and it increased with increasing age, hydrogen fluoride exposure level, and impact of event levels.

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The influence of chemical and thermal modifications of ordered mesoporous carbon on the melting processes of water confined in pores
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Comparative Analysis of Hydrogen Fluoride-Exposed Patients Based on Major Burn Criteria After the 2012 Gumi City Chemical Leak Disaster
Heejun Shin, Se Kwang Oh, Han You Lee, Heajin Chung, Seong Yong Yoon, Sung Yong Choi
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Chemical pneumonitis by prolonged hydrogen fluoride inhalation
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Research Article

Association between second-hand smoke and psychological well-being amongst non-smoking wageworkers in Republic of Korea: Seong-Jin Kim, Dirga Kumar Lamichhane, Shin-Goo Park, Bum-Joon Lee, So-Hyun Moon, Sung-Min Park, Hyun-Suk Jang, Hwan-Cheol Kim; Ann Occup Environ Med 2016;28:49. Published online September 20, 2016; DOI: https://doi.org/10.1186/s40557-016-0130-3

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Background

Worldwide, exposure to second-hand smoke (SHS) has been responsible for more than 0.6 million deaths and 10.9 million disability-adjusted life years (DALYS) lost in never smokers in 2004. The world health organization (WHO) reported smoking-related death of 58,000 per year in South Korea. There is recent emerging evidence of the associations of SHS exposure with anxiety or depression and poor mental health. Although exposure to second-hand smoke (SHS) has been associated with various physical health conditions and mental health, we are unaware of any studies examining its association with psychological well-being as mental factor. This study aimed to investigate the association between self-reported exposure to SHS and well-being among non-smoking wageworkers.

Methods

The Third Korean Working Conditions Survey (KWCS, 2011) was conducted on a representative sample of economically active population aged 15 years or over, who were either employees or self-employed at the time of interview. In this study, after removing inconsistent data, 19,879 non-smoking wageworkers among 60,054 workers were participated. Psychological well-being was measured through the WHO-Five Well-Being Index (1998 version). Univariate and multiple logistic regression models were used to examine the association of SHS exposure with psychological well-being.

Results

The unadjusted OR of poor psychological well-being (OR: 1.594, 95 % CI: 1.421-1.787) was significantly higher for SHS exposure group compared to non-exposure group. Multiple logistic regression analysis results indicated that these relationships were still significant after adjusting for potential confounders (adjusted OR: 1.330, 95 % CI: 1.178-1.502).

Conclusions

Exposure to SHS was associated with poor well-being measured by the WHO-5 well-being index, indicating the importance of reducing SHS exposure at the workplace for psychological well-being amongst non-smoking wageworkers.

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Preeti BHAGIA, Ipseeta MENON, Anshi JAIN, Vikram ARORA, Jyoti GOYAL, Asifa AHRAF
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Association between Second-hand Smoke and Generalized Anxiety Disorder in Korean Adolescents: Based on the 17th Korea Youth Risk Behavior Survey
Hyo-Min Shin, Sang-Jun Lee, Woo-Rim Ko, Jae-Yeon Jeong, Sang-Baek Koh, Kyung-Yi Do
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Secondhand Smoke in the Workplace Is Associated With Depression in Korean Workers
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Hyunhee Park, Sung-il Cho, Changhun Lee
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Annals of Occupational and Environmental Medicine.2017;[Epub] CrossRef

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Research Article

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; Ann Occup Environ Med 2014;26:31-31. Published online October 1, 2014; DOI: https://doi.org/10.1186/s40557-014-0031-2

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Objectives

We aimed to investigate the association between concealing emotions at work and medical utilization.

Methods

Data from the 2007–2009 4th Korea National Health and Nutrition Examination Survey (KNHANES IV) was used, 7,094 participants (3,837 males, 3,257 females) aged between 20 and 54 who were economically active and completed all necessary questionnaire items were included. Odds ratios (ORs) and 95% confidence intervals (95% CI) for differences in hospitalization, outpatient visits, and pharmaceutical drug use between those who concealed their emotions and those who did not were investigated using logistic regression models with and without gender stratification.

Results

Among those who concealed their emotions (n = 2,763), 47.4% were females, and 50.1% had chronic disease. In addition, 9.7% of the concealing emotions group had been hospitalized within the last year, 24.8% had been outpatients in the last two weeks, and 28.3% had used pharmaceutical drugs in the last two weeks.

All ORs represent the odds of belonging to the concealing emotions group over the non-concealing emotions group. After adjustment for individual, occupational, socioeconomic and disease factors, the adjusted ORs (95% CI) in hospitalization are 1.29 (1.08 ~ 1.53) in the total population, 1.25 (0.98 ~ 1.60) in males and 1.30 (1.02 ~ 1.66) in females, in outpatient visits are 1.15 (1.02 ~ 1.29) in the total population, 1.05 (0.88 ~ 1.24) in males and 1.25 (1.06 ~ 1.47) in females and in pharmaceutical drug use are 1.12 (1.01 ~ 1.25) in the total population, 1.08 (0.92 ~ 1.27) in males and 1.14 (0.98 ~ 1.33) in females.

Conclusions

Those who concealed their emotions at work were more likely to use medical services. Moreover, the health effects of concealing emotions at work might be more detrimental in women than in men.

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Research Article

Effectiveness of a Comprehensive Stress Management Program to Reduce Work-Related Stress in a Medium-Sized Enterprise: Shin-Ae Kim, Chunhui Suh, Mi-Hee Park, Kunhyung Kim, Chae-Kwan Lee, Byung-Chul Son, Jeong-Ho Kim, Jong-Tae Lee, Kuck-Hyun Woo, Kabsoon Kang, Hyunjin Jung; Ann Occup Environ Med 2014;26:4-4. Published online February 13, 2014; DOI: https://doi.org/10.1186/2052-4374-26-4

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Objectives

To assess the effectiveness of a comprehensive workplace stress management program consisting of participatory action-oriented training (PAOT) and individual management.

Methods

A comprehensive workplace stress management program was conducted in a medium-sized enterprise. The baseline survey was conducted in September 2011, using the Korean Occupational Stress Scale (KOSS) and Worker’s Stress Response Inventory (WSRI). After implementing both organizational and individual level interventions, the follow up evaluation was conducted in November 2011.

Results

Most of the workers participated in the organizational level PAOT and made Team-based improvement plans. Based on the stress survey, 24 workers were interviewed by a researcher. After the organizational and individual level interventions, there was a reduction of several adverse psychosocial factors and stress responses. In the case of blue-collar workers, psychosocial factors such as the physical environment, job demands, organizational system, lack of rewards, and occupational climate were significantly improved; in the case of white-collar workers, the occupational climate was improved.

Conclusions

In light of these results, we concluded that the comprehensive stress management program was effective in reducing work-related stress in a short-term period. A persistent long-term follow up is necessary to determine whether the observed effects are maintained over time. Both team-based improvement activities and individual interviews have to be sustainable and complementary to each other under the long-term plan.

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Case Report

Four Cases of Abnormal Neuropsychological Findings in Children with High Blood Methylmercury Concentrations: Young-Seoub Hong, Dae-Seon Kim, Seung-Do Yu, Seong-Hwan Kim, Jong-Kuk Kim, Yu-Mi Kim, Jae-Ho Yu, Ji-Hyun Jung, Byoung-Gwon Kim; Ann Occup Environ Med 2013;25:18-18. Published online September 24, 2013; DOI: https://doi.org/10.1186/2052-4374-25-18

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Background

Methylmercury (MeHg) easily crosses the blood–brain barrier and accumulates in the brain. Accumulated MeHg will cause neurological symptoms. We report four pediatric cases of neuropsychological findings with high blood MeHg concentrations.

Case presentation

Four children were admitted for follow-up study because their total mercury (THg) concentration in the blood was found to be high during a national survey. Case 1 was a 9-year-old female with a 16.6 μg/ℓ blood THg concentration in the survey. During admission, the blood THg, hair THg, and blood MeHg concentration(mercury indices) were 21.4 μg/ℓ, 7.2 μg/g, and 20.1 μg/ℓ, respectively. In our neuropsychological examination, cognitive impairment and attention deficit were observed. Her diet included fish intake 2–3 times per week, and she had been diagnosed with epilepsy at 3 years of age. Case 2 was a 12-year-old male with blood THg of 15.4 μg/ℓ in the survey and the mercury indices were 12.7 μg/ℓ, 5.7 μg/g, and 11.8 μg/ℓ, respectively, on admission. He was also observed to have attention-deficit/hyperactivity disorder. Case 3 was a 10-year-old male child with blood THg of 17.4 μg/ℓ in the survey, and the mercury indices on admission were 21.6 μg/ℓ, 7.5 μg/g and 21.5 μg/ℓ, respectively. In his case, mild attention deficit was observed. Case 4 was a 9-year-old male with blood THg of 20.6 μg/ℓ in the survey and the mercury indices were 18.9 μg/ℓ, 8.3 μg/g, and 14.4 μg/ℓ, respectively, on admission. Mild attention difficulty was observed.

Conclusion

We suggest that fish consumption may be the main source of MeHg exposure, and that MeHg may have been the cause of the neuropsychological deficits in these cases.

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Original Article

Association between Job Stress, Psychosocial Well-being and Presenteeism, Absenteeism: Focusing on Railroad Workers: Inn Shil Ryu, Dae Soon Jeong, In Ah Kim, Jae Hoon Roh, Jong Uk Won; Korean Journal of Occupational and Environmental Medicine 2012;24(3):263-273. Published online September 30, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.3.263

Abstract PDF

OBJECTIVES
The purpose of this study was to determine the current status of presenteeism and absenteeism among railroad workers as well as to investigate whether or not job stress level and psychosocial well-being status are associated with presenteeism and absenteeism.
METHODS
As the cross-sectional design, a self-reported questionnaire using the Korean Occupational Stress Scale(KOSS), Psychosocial Well-being Index(PWI), and Work Productivity and Impairment-General Health(WPAI-GH) was administered to railroad workers. Univariate and multivariate logistic regressions were used to analyze the association between job stress, psychosocial well-being status and presenteeism, absenteeism in 1,099 subjects.
RESULTS
Among the study subjects, 52.0% and 22.0% experiened presenteeism and absenteeism, respectively. Job stress level in railroad workers was higher than that in general workers. Multivariate logistic regression with presenteeism as the dependent variable showed an elevated odds ratio of 3.56(95% CI 1.48-8.54) in the highest job stress group, and an odds ratio of 3.20(95% CI 1.94-5.26) in the high-risk psychosocial stress group. There was no significant association between job stress level and absenteeism, whereas weak association between psychosocial stress and absenteeism was found.
CONCLUSIONS
Since railroad workers have a high level of job stress and elevated experience of presenteeism, a management strategy is required to control presenteeism and absenteeism in order to promote railroad workers' health and safety.

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Original Article

Sociopsychological factors associated with symptoms of work-related musculoskeletal disease: Chul Gab Lee, Jong Park, Jung Sik Park, Seok Joon Sohn; Korean Journal of Occupational and Environmental Medicine 2005;17(2):104-115. Published online June 30, 2005; DOI: https://doi.org/10.35371/kjoem.2005.17.2.104

Abstract PDF

OBJECTIVES
The sudden increase in work-related musculoskeletal disease is caused by sociopsychological factors and ergonomic risk factors of the work process. This study evaluates the relationship between the symptoms of musculoskeletal disease and the sociopsychological factors.
METHODS
A questionnaire survey and ergonomic evaluation were administered to workers of a shipyard company with a high incidence rate of musculoskeletal disease. To quantify the pain score associated with a diagnosis of musculoskeletal disease, the pain degree(1~5points), frequency (1~4 points) and duration (1~4 points) were multiplied to give a maximum score of 80. A score above 64 points on the pain score was defined as 'severe pain group'. This 'severe pain group' was chosen as the dependent variable and the sociopsychological factors were evaluated as independent variables with structural equation modeling based on a decision tree of exhaustive CHAID.
RESULTS
The standardized regression weights value with reference to the REBA score(0.54) had the largest value by the type of company, followed in order by joining and acting labor union(.313), job demand(.172), senior support(-.095), insufficient sleep (.092), and colleague support (.061).
CONCLUSION
The symptoms of musculoskeletal disease were greatly affected by sociopsychological factors such as whether joining and acting labor union, job demand, and senior or colleague support.

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The Validity and Reliability of the Second Korean Working Conditions Survey
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Safety and Health at Work.2013; 4(2): 111. CrossRef
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Chul Gab Lee
Journal of the Korean Medical Association.2012; 55(11): 1054. CrossRef

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Original Article

Effects of Health on Shift-Work: General and Psychological health, Sleep, Stress, Quality of life: Yoon Gyu Kim, Dong Young Yoon, Jung Il Kim, Chang Ho Chae, Young Seoub Hong, Chang Guk Yang, Jung Man Kim, Kap Yeol Jung, Joon Youn Kim; Korean Journal of Occupational and Environmental Medicine 2002;14(3):247-256. Published online September 30, 2002; DOI: https://doi.org/10.35371/kjoem.2002.14.3.247

Abstract PDF

OBJECTIVES
This study was performed to investigate the effects of shift-work, in terms of general health concepts, insomnia, stress, quality of life and psychological health, at several manufacturing plants.
METHODS
Questionnaires were distributed to 850 shift-workers (study group), and to 550 non-shift workers (as a control group). The questionnaires included questions on ; general health concepts, insomnia, stress, quality of life and psychological health. 455 shift-workers and 372 non-shift workers completed the questionnaires, and the factors influencing the health status and quality of life in workers estimated by multiple iogistic regression analysis.
RESULTS
From the general health questionnaires, the mental health and health perception were significantly different between the shift and non-shift workers, with the better being former than the latter (p<0.05). Shift-workers complained of more insomnia when adjusted for age, working period, education and job satisfaction. Greater job satisfaction, was coupled with less complaints of insomnia (p<0.05). There were 200(43.96 %) shift workers classified as insomniac, whereas with the non-shift workers this figure was 84 (25.15 %), showing a significant difference between the two groups (p<0.05). Shift-workers were more stressed than the non-shift workers in their daily lives, which also showed significant difference (p<0.05). Less job satisfaction, was coupled with more complaints of stress (p<0.05). The quality of life of the shift-workers was lower than that of the nonshift workers (p<0.05). With the shift-workers complaining of more anxiety than the nonshift workers (p<0.05).
CONCLUSIONS
Our results suggest that shift-workers suffer from physical and psychological distresses, sleep problems and stress than non-shift workers. Furthermore, it is presumed that these factors might negatively affect the quality of life of shift-workers. Accordingly, interventional methods for shift-worker's health and quality of life as a result of adverse effects of shift-work are needed.

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Original Article

Health Effects of Aircraft Noise on Residents Living Near an Airport: Kyung Jong Lee, Jae Beom Park, Jae Yeon Jang, Sun Mi Cho, Se Wi Lee, Jong Goo Kim, Soon Young Lee, Jong Ja Kwak, Ho Keun Chung; Korean Journal of Occupational and Environmental Medicine 1999;11(4):534-545. Published online December 31, 1999; DOI: https://doi.org/10.35371/kjoem.1999.11.4.534

Abstract PDF

Objectives
; This study was conducted to reveal the health effects of aircraft noise on the residents live near the military airport.
METHODS
We sampled systematically 87 residents as the high exposed group, 58 residents as the low exposed group according to the geographical distance from the airport. We also sampled 67 residents as the control group lived far from the airport. Noise levels were measured for conform the exposures. Self-administered questionnaires for symptoms, air conduction hearing threshold level, blood pressure blood cholesterol with health examinations, and SCL-90-R were introduced to get the data from the residents.
RESULTS
The Ld/n at the area near the airport was 72.4 dB, however that of control area was 67. 7 dB. The value of pure tone average, high pure tone average, and threshold of 4,000 Hz were decreased with exposure level significantly. Linear regression analysis showed that the noise exposure level of the airport was related to the hearing threshold at pure tone average, threshold of 4,000 Hz, and high pure tone average. The systemic and diastolic blood pressure showed dose-response relationship with noise exposure. The prevalence of hypertension was higher in exposed group, but not statistically significant. In linear regression, noise level was related to systolic and diastolic blood pressure with other variables such as age, sex, BMI (Body Mass Index), and family history of hypertension. SCL-90-R showed that exposed group had higher score significantly in neurotic and psychologic variable and felt the various somatic symptoms.
CONCLUSIONS
These results suggest that aircraft noise would influence hearing loss at low frequencies as well as 4,000 Hz and higher frequencies, systolic and diastolic blood pressure, and psychological response.

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Original Article

A Study on the Psychological Symptoms of Hospitalized Pneumoconiosis Patients: Comparison with pneumoconiosis Examinees, Coal Miners, and Other Manual Workers: Kyung Young Rhee, Ho Keun Chung; Korean Journal of Occupational and Environmental Medicine 1990;2(2):166-178. Published online August 31, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.2.166

Abstract PDF: The purpose of this study was to investigate the effect of hospitalization and diagnosis of disease on the mental health of coal workers' pneumoconiosis patient. The study subjects were composed of four groups for comparison; hospitalized coal workers' pneumoconiosis, healthy coal miners, and railroad workers employed by government. About a hundred of respondents in each group were sampled by random. Mental health data were collected by symptom distress checklist 90 (SCL-90), and other characteristics were collected by interview with questionnaire administered trained interviewers in each respondents. Mental health dimension was classified into 9 dimensions; somatization, obsessive-compulsiveness, interpersonal sensitivity, depression, anxiety, hostality, phobic anxiety, paranoid, psychosis. And as total index, global severity index, positive symptoms total, positive symptom distress index were also computed. As a result there is difference of mean score of 9 symptom dimensions among four groups. The mean score of the examinees of depth diagnosis of the impressed coal workers' pneumoconiosis is the highest score in all 9 symptom dimensions. However in the hospitalized coal workers' pneumoconiosis scores of somatization, depression, anxiety, and phobic anxiety were still higher than that of healthy coal miners. And other symptom dimensions were not different from that of healthy coal miners.

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