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The Association between Fear of COVID-19,Obsession with COVID-19,and Post Traumatic Stress Disorder in Korean Emergency Rescue Firefighters:A Cross-Sectional Study

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International Journal of Mental Health Promotion 2024年第6期26卷 475-480页

作者： yun-jung choi Heewon Song Red Cross College of Nursing Chung-Ang UniversitySeoulSouth Korea Department of Nursing Chung-Ang UniversitySeoulSouth Korea

During the rapid spread of COVID-19,first responders are at risk of being exposed to COVID-19 due to their role in providing first aid and responding to an unspecified number of people.This uncertainty can have adverse mental health effects,such as increased anxiety and fear.This study aimed to investigate the degree of association between fear of COVID-19,obsession with COVID-19,and post-traumatic stress disorder(PTSD)in emergency rescue firefighters.The participants were 150 emergency rescue firefighters working in Region S,Korea.They filled out self-report questionnaires:The data obtained through the Fear of COVID-19 Scale,Obsession with COVID-19 Scale,and Impact of Event Scale-Revised Korean version were subjected to nonparametric statistical analysis using SPSS WIN 25.0.The study found a significant correlation between emergency rescue firefighters’fear of COVID-19,obsession with COVID-19,and PTSD.Fear and obsession with COVID-19 were higher among first responder firefighters who were directly involved in COVID-19-related tasks.Furthermore,a one-point increase in obsession was associated with a 2.837-point increase in PTSD.Based on the results,we found that there is a need for effective control of obsessions and fears among first responder firefighters during COVID-19,and we suggest that there is a need for mental health care for first responder firefighters during the pandemic through the development and support of programs to prevent and mitigate obsessions.

关键词： COVID-19 emergency rescue firefighters fear of COVID-19 mental health promotion obsession with COVID-19 PTSD

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Citizens’Mental Health Issues and Psychological Trauma Experience due to a Crowd-Crush Disaster in Korea

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International Journal of Mental Health Promotion 2024年第6期26卷 439-447页

作者： yun-jung choi Jae-Won Kwak Hae-In Namgung Red Cross College of Nursing Chung-Ang UniversitySeoul06974South Korea Graduate School of Nursing and Professions Chung-Ang UniversitySeoul06974South Korea Nursing Department Graduate School of Chung-Ang UniversitySeoul06974South Korea

This study evaluated the state of anxiety, depression, post-traumatic stress disorder, general mental health, and mental well-beingamong citizens after a crowd-crush disaster in Korea. Individuals who experienced the crowd crush had significantly higheranxiety, depression, and post-traumatic stress disorder (PTSD) scores than those who did not (p < 0.001). Additionally,people who avoided the disaster area had significantly higher depression and PTSD scores than those who did not avoid thearea (p < 0.001). Those who directly witnessed the Seoul Halloween crowd crush had a significant difference in PTSD levels ineither group than those who experienced it indirectly (p = 0.005). There was a significant difference in PTSD scores in cases ofdirect damage or death of an acquaintance (p < 0.001). The Seoul Halloween crowd crush caused psychological damagethrough indiscriminate exposure to the public, and symptoms of PTSD appeared over a long period. It is crucial to provideessential resources for ongoing treatment and case management.

关键词： Anxiety avoidance depression disaster experience mental health PTSD psychological trauma

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The Early Emotional Responses and Central Issues of People in the Epicenter of the COVID-19 Pandemic: An Analysis from Twitter Text Mining

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International Journal of Mental Health Promotion 2023年第1期25卷 21-29页

作者： Eun-Joo choi yun-jung choi Department of Nursing Kyungin Women’s UniversityIncheon21041South Korea Red Cross College of Nursing Chung-Ang UniversitySeoul06974South Korea

This study aimed to explore citizens’emotional responses and issues of interest in the context of the coronavirus disease 2019(COVID-19)pandemic.The dataset comprised 65,313 tweets with the location marked as New York State.The data collection period was four days of tweets when New York City imposed a lockdown order due to an increase in conﬁrmed cases.Data analysis was performed using R Studio.The emotional responses in tweets were analyzed using the Bing and NRC(National Research Council Canada)dictionaries.The tweets’central issue was identiﬁed by Text Network Analysis.When tweets were classiﬁed as either positive or negative,the negative sentiment was higher.Using the NRC dictionary,eight emotional classiﬁcations were devised:“trust,”“fear,”“anticipation,”“sadness,”“anger,”“joy,”“surprise,”and“disgust.”These results indicated that citizens showed negative and trusting emotional reactions in the early days of the pandemic.Moreover,citizens showed a strong interest in overcoming and coping with other people such as social solidarity.Citizens were concerned about the conﬁrmation of COVID-19 infection status and death.Efforts should be made to ensure citizens’psychological stability by promptly informing them of the status of infectious disease management and the route of infection.

关键词： COVID-19 community mental health emotional responses text mining Twitter

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Topic Models to Analyze Disaster-Related Newspaper Articles: Focusing on COVID-19

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International Journal of Mental Health Promotion 2023年第3期25卷 421-431页

作者： yun-jung choi Youn-Joo Um Red Cross College of Nursing Chung-Ang UniversitySeoul06974South Korea Department of Nursing Dong-Yang UniversityYeongjuGyeongbuk36040South Korea

Major media outlets have run many articles on the COVID-19 pandemic.Since the public suffers cognitive and emotional effects related to COVID-19 from such reports,we analyzed and reviewed the topics of news reports.We searched newspaper articles with the term‘COVID-19’term in four Korean daily newspapers from January 20,2020,when thefirst patient in Korea was found,to June 15,2020.Topic modeling analysis was conducted through text mining using R.Five themes were found:“Changes in people’s everyday life,”“Socio-economic shock,”“Trends in infection,”“Role of the government and business,”and“Increased psychological anxiety,”which all showed sharp increases in articles from mid-February to early March and then decreased.Despite the increased psychological anxiety people suffered from the COVID-19 pandemic,this topic showed the fewest articles.“Changes in people’s everyday life”showed the most,focusing attention on stimulating lifestyle articles of general interest.Since the COVID-19 pandemic can lead to mental health problems due to severe changes and isolation in everyday life,a comprehensive response to the news focusing on the impact on the mental health of the population around the world should be made.

关键词： COVID-19 mental health newspaper article text mining

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Efficacy of a Community-Based Trauma Recovery Program after a Fire Disaster

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International Journal of Mental Health Promotion 2022年第1期24卷 85-94页

作者： yun-jung choi Mi-Ra Won Dong-Hee Cho Red Cross College of Nursing Chung-Ang UniversitySeoulKorea Department of Nursing Daewon University CollegeJecheonKorea

As industries develop,fire disasters and their associated damage are increasing.Investigating the mental health of victims is imperative because this is an essential issue for community recovery after a disaster.This study was conducted to determine the efficacy of a program implemented by a community mental health center based on the investigation of the victims’depression and post-traumatic stress disorder(PTSD)levels immediately after the disaster and at one-year follow-up.As a result,victims’depression and PTSD recovered over time,and more changes were confirmed.In particular,the high-risk group for PTSD showed a high program participation rate,and there was significant recovery over time compared with the group without PTSD.Based on these results,community mental health programs are an effective way to increase community mental health after disasters.In the future,community-based recovery programs after disasters should be expanded,and administrative support for them should be developed.

关键词： Fire disaster victims post-traumatic stress disorder depression community mental health services

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Managing Traumatic Stress Using a Mental Health Care Mobile App: A Pilot Study

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International Journal of Mental Health Promotion 2021年第3期23卷 385-393页

作者： yun-jung choi Eun-jung Ko Eun-Joo choi Youn-Joo Um Red Cross College of Nursing Chung-Ang UniversitySeoul156-756Korea Graduate School of Nursing Chung-Ang UniversitySeoul156-756Korea

This study aims to contribute to improving mental health services and establishing a direction for disaster survivors by verifying the effectiveness of the TLS(Training for Life Skills)app,a mental health management mobile application.Altogether,22 disaster survivors received access to the app(with guidance)for eight weeks;we analyzed its effectiveness by examining each participant’s electroencephalography data,which were collected while they were utilizing the app.The results of this study show that the use of the TLS app had a significant positive effect on emotional quotient,basic rhythm quotient(left brain,right brain),alpha blocking rate(left brain,right brain),and brain quotient of disaster survivors.The TLS mobile app is expected to not only provide psychological first aid to disaster survivors but also to improve their life skills,which may allow them to gain information about their emotions;hence,it may provide the appropriate conditions needed to enable effective self-control and health management for disaster survivors.

关键词： Mobile applications trauma disasters mental health

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Effects of Stress, Depression, and Problem Drinking on Suicidal Ideation among Korean Workers

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International Journal of Mental Health Promotion 2021年第2期23卷 189-199页

作者： yun-jung choi Mi-ra Won Youn-Joo Um Red Cross College of Nursing Chung-Ang UniversitySeoulKorea Department of Nursing Daewon University CollegeJecheonKorea Graduate School of Nursing Chung-Ang UniversitySeoulKorea

The mental health of workers is an important issue that affects not only individuals and their families but also workplaces and communities.Therefore,it is necessary to regularly evaluate and analyze workers’mental health status,including levels of stress,depression,and addictive behaviors to apply thesefindings in creating mental health promotion programs.This study aims to provide basic data that would facilitate early intervention for workers’mental health problems by analyzing factors such as stress,depression,and problem drinking that can affect suicidal ideation.From April 15 to October 25,2019,a survey was conducted with 165 workers across six workplaces in a Korean city.Analysis was performed using descriptive statistics,correlation,and simple and multiple regression analyses using the R statistics program 4.0.3.There was no difference in suicidal ideation scores based on the participants’general characteristics,while there was a significant positive correlation among stress,depression,problem drinking,and suicidal ideation.In addition,severe depression,severe stress,and severe problem drinking had significant effects on suicidal ideation,and among the subitems of stress,somatic symptoms had an effect on suicidal ideation.In addition,severe stress,somatic symptoms,depression,and severe problem drinking had a significant effect on suicidal ideation in males but not in females.It is necessary to identify the effects of stress,depression,drinking problems,and suicide on workers’mental health,and evaluate their mental health systemati-cally and regularly to recognize whether active psychiatric treatment and nursing intervention are necessary as well as preventive management.In addition,it is meaningful to pay attention to the suicide ideation of adult workers and provide basic data to promote systematic public health policies on mental health.

关键词： Alcohol depression mental health stress suicidal ideation

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Health risks of pest control and disinfection workers after the COVID-19 outbreak in South Korea

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Journal of Environmental Sciences 2024年第5期139卷 350-363页

作者： yun-Hee choi Da-An Huh Lita Kim Sang ji Lee Kyong Whan Moon Department of Health and Safety Convergence Science Korea UniversityAnam-ro 145Seongbuk-guSeoul 02841South Korea BK21 FOUR R&E Center for Learning Health System Korea UniversityAnam-ro 145Seongbuk-guSeoul 02841South Korea Institute of Sciences Korea UniversityAnam-ro 145Seongbuk-guSeoul 02841South Korea Department of Health and Environmental Science Korea UniversityAnam-ro 145Seongbuk-guSeoul 02841South Korea

The exposure patterns of pest control and disinfection workers have changed after the coronavirus disease 2019(COVID-19)outbreak,but the health risks of chemical exposure have not been assessed.We identified these workers’chemical exposure patterns and risks before and after the COVID-19 outbreak.We used data conducted between 2018(pre-pandemic)and 2021(post-pandemic)from three-year cross-sectional surveys on pest control and disinfection workers.Inhalation and dermal exposure concentrations were estimated using equations based on a biocidal product risk assessment model from the Korean National Institute of Environmental Research.The non-carcinogenic and carcinogenic risks of chemicals were calculated using the United States Environmental Protection Agency risk assessment model.We found that the annual work frequency(50^(th)percentile)of foggers using disinfectants increased the most among all the work types,from 140 uses/year to 176 uses/year after the COVID-19 outbreak.Moreover,all chemicals’non-carcinogenic and carcinogenic risks increased regardless of exposure routes.In the worst scenario(95^(th)percentile),the margin of exposure for citric acid,benzethonium chloride,benzyl-C12-16-alkyldimethyl chlorides,and sodium chlorite of inhalation exposure,and isopropyl alcohol and benzyl-C12-16-alkyldimethyl chlorides of dermal exposure were acceptable(>100)before the COVID-19outbreak but became unacceptable(10^(-6))before and after the COVID-19 outbreak but comparatively high after the COVID-19 outbreak.Additionally,significantly more workers experienced health symptoms after the COVID-19outbreak(p<0.05),with the most common being muscle lethargy(31%),skin/face stinging(28.7%),and breath shortness/neck pain(24.1%).

关键词： Biocide Disinfection Health risk assessment Occupational exposure Pest control

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Management of lymphedema is really a matter in patients with breast cancer

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World Journal of Clinical Cases 2024年第15期12卷 2482-2486页

作者： jung Eun choi Min Cheol Chang Department of Surgery College of MedicineYeungnam UniversityDaegu 705-717South Korea Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaegu 705-717South Korea

Lymphedema is a prevalent complication affecting patients with breast cancer,greatly impacting their quality of life.This editorial describes diagnostic methods and therapeutic interventions for managing lymphedema in patients with breast cancer.Diagnosis relies on clinical evaluation and objective measures,including arm circumference and volumetric assessments,along with lymphoscintigraphy and ultrasonic measurements.Treatment primarily involves complex decongestive physical therapy,comprising manual lymphatic drainage,compression therapy,exercise,and meticulous skin care.These interventions aim to reduce swelling,alleviate discomfort,and prevent further complications.Additionally,lifestyle modifications such as avoiding extreme temperatures and maintaining proper hygiene are essential.Flavonoids can be used for drug therapy.Despite its prevalence,lymphedema often receives inadequate attention in clinical practice,emphasizing the importance of raising awareness and enhancing medical services for affected individuals.Clinicians play a pivotal role in educating patients about preventive measures and ensuring timely intervention.Overall,a comprehensive approach encompassing early diagnosis,multidisciplinary management,and patient education is essential to mitigate the burden of lymphedema in patients with breast cancer and improve their overall well-being.

关键词： Lymphedema Breast cancer Complex decongestive physical therapy Diagnosis Treatment

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Correlation between hydration properties and electrochemical performances on Ln cation size effect in layered perovskite for protonic ceramic fuel cells

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Journal of Energy Chemistry 2024年第1期88卷 1-9,I0001页

作者： Inhyeok Cho Jiwon yun Boseok Seong Junseok Kim Sun Hee choi Ho-Il Ji Sihyuk choi Department of Mechanical Engineering Kumoh National Institute of TechnologyGumi 39177GyeongbukRepublic of Korea Department of Aeronautics Mechanical and Electronic Convergence EngineeringKumoh National Institute of TechnologyGumi 39177GyeongbukRepublic of Korea Center for Energy Materials Research Korea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea Center for Hydrogen and Fuel Cell Research Clean Technology Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea Department of Energy and Environmental Engineering University of Science and TechnologySeoul 02792Republic of Korea Nanomaterials Science and Engineering Korea University of Science and Technology(UST)KIST CampusSeoul 02792Republic of Korea

PrBa_(0.5)Sr_(0.5)Co_(1.5)Fe_(0.5)O_(5+δ)(PrBSCF) has attracted much research interest as a potential triple ionic and electronic conductor(TIEC) electrode for protonic ceramic fuel cells(PCFCs). The chemical formula for Pr BSCF is AA'B_(2)O_(5+δ), with Pr(A-site) and Ba/Sr(A'-site) alternately stacked along the c-axis. Due to these structural features, the bulk oxygen ion diffusivity is significantly enhanced through the disorder-free channels in the PrO layer;thus, the A site cations(lanthanide ions) play a pivotal role in determining the overall electrochemical properties of layered perovskites. Consequently, previous research has predominantly focused on the electrical properties and oxygen bulk/surface kinetics of Ln cation effects,whereas the hydration properties for PCFC systems remain unidentified. Here, we thoroughly examined the proton uptake behavior and thermodynamic parameters for the hydration reaction to conclusively determine the changes in the electrochemical performances depending on LnBa_(0.5)Sr_(0.5)Co_(1.5)Fe_(0.5)O_(5+δ)(LnBSCF,Ln=Pr, Nd, and Gd) cathodes. At 500 ℃, the quantitative proton concentration of PrBSCF was 2.04 mol% and progressively decreased as the Ln cation size decreased. Similarly, the Gibbs free energy indicated that less energy was required for the formation of protonic defects in the order of Pr BSCF < Nd BSCF < Gd BSCF. To elucidate the close relationship between hydration properties and electrochemical performances in LnBSCF cathodes, PCFC single cell measurements and analysis of the distribution of relaxation time were further investigated.

关键词： Protonic ceramic fuel cell Cathode Triple ionic and electronic conductor Hydration property Proton uptake Gibbs free energy

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