Park, Byung-Jun;Gil, Keun-Hwan;Son, Kyeong-Ae;Im, Geon-Jae;Yoon, Hyunjoo;Park, Kyung-Hun;Kim, Doo-Ho;Ihm, Yangbin;Paik, Min-Kyoung
The Korean Journal of Pesticide Science
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v.18
no.2
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pp.95-103
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2014
In this study, we monitored the residues of organophosphate pesticides (OP) in eight fruit vegetables grown in Korea, and assessed risk levels of acute and chronic exposure of OP through the consumption of fruit vegetables. Chlorpyrifos, EPN, methidathion and phosphamidon in eight fruit vegetables were detected in this study. The results of cumulative assessment of national estimated short term intake for acute exposure of OP were due to the following order; eggplant, tomato, squash and cucumber. Total theoretical maximum daily intake calculated at first step of chronic exposure assessment for registered OP in Korea was 76.14%, compared with acceptable daily intake ADI) based on chlorpyrifos. In addition, total national estimated maximum daily intake calculated at second step of chronic exposure assessment was 13.949%, compared with ADI. Third chronic assessment was conducted by probabilistic approach using OP residues detected in eight fruit vegetables and showed that total exposure risk was very low, corresponding to 0.0001% compared to ADI. Based on those finding, the risk of organophosphate pesticides in fruit vegetables was considered quantitatively negligible. In future, further investigation to expand the target should be followed to do more accurate and detailed risk assessment.
This study aims to provide the research for dental technician's stress prevention and management with basic materials by understanding dental technician's psychosocial stress level and examining relevant factors. The subject of this study is 255 dental technologists who work mainly in Seoul Gyeonggi district for a month of April of 2009 and I conducted cross-sectional study through self administered survey. The contents of survey include general feature, occupational feature, health behavior feature. I used Karasek's Job Content Questionnaire, JCQ and Psychosocial well-being index, PWI-SF as means of measurement. To compare the level of dental technician's psychosocial stress, I conducted t-test and ANOVA and I measured the factors that are related with psychosocial stress symptom with step by step multiple regressive analysis. According to the result of Cronbach's a value which is yielded to verify the reliability of means of measurement, the reliability of concept is sufficient. The detailed result of this study is as follows. 1. According to the result of analyzing the stress symptom in accordance with general feature and occupational feature, those dental technologists who are older and not married, graduate from junior college, have lower position, work at university hospital or general hospital show lower stress(p<0.05). There is no difference in the level of psychosocial stress with regard to duty related feature, period of service, daily average working hours, monthly average pay. 2. With regard to health behavior feature, those dental technologists who control weight better and have meal more regularly show lower stress(p<0.05). Those dental technicians who smoke, drink liquid and take a suitable sleep show low stress but the difference does not have significance statistically. 3. With regard to the factors of stress in the workplace, those dental technicians who have lower duty related requirement, have higher duty related control ability, have higher social support, have less instability of employment and have less workload and physical burden show lower stress(p<0.05). 4. According to the result of analyzing the factors that influence dental technologist's stress symptom, social support has the most enormous influence on stress symptom. Unstable employment, regular exercise, regular eating, daily average sleeping hours and technological capacity are also important in this order. According to the result of this study, those dental technicians who have higher social support, less instability of employment, do exercise more regularly, take enough sleep more soundly and have higher technological capacity show lower psychosocial stress symptom. Therefore, to adjust appropriately the dental technician's stress and properly maintain and improve the dental technician's mental health, effective management plan that enables dental technicians to maintain smooth human relationships for dental technicians should be sought. In addition, heath education and health management for dental technicians should be given more thoroughly so that they can establish desirable health behavior in daily life.
Primary school is regarded as an important period when many health-related behaviors and life-styles begin to be formed. Acquiring them through school heath education has a strong influence on the health promotion of not only the family but also the community. Primary school health education in Korea has a systematic flaw in that health-related subjects are divided and taught under various subjects in primary school. In order to develop a proper school health curriculum, it is essential to assess what is currently being taught. In this study the current health education of the 6th grade primary curriculum was investigated to improve school health education. The purpose of this study is to identify the health education contents and time in textbooks of the 6th grade primary school curriculum. In this study, the textbooks & teacher's teaching manuals of the 6th grade curriculum were analyzed with a health instruction framework for Korean schools developed by the Korean Nurse Association & Korean School Health Education Association in 1993 and health care framework for health education curriculum presented by Kim in 1991. The results are as follows ; 1) Health education hours of the curriculum are 206 hours, about 34.3 hours a year. 2) The contents of health education were divided into nine subjects at primary schools. Organizing principles of learning experience(eg, integrity, sequence and continuity) were not considered sufficiently. The physical education & natural science subjects include a lot of health education contents. 3) The major content areas are community & environmental health areas and daily healthy life areas. 4) The major areas at each grade level are daily healthy concerns and safety & first-aid 5) The remarkable contrast to the 5th primary school curriculum are that environmental health is offered to the first grade step by step, and that drug use & abuse and mental health education are included in the 6th primary school curriculum. 6) The main contents of health education in 1st, 2nd. and 3rd grade curricula consist of treatment & recovery health functions. Those of the 4th grade curriculum consist of treatment & recovery health functions, and daily healthy life functions. Those of the 5th grade consist of growth & development functions. Those of the 6th grade consist of treatment & recovery health, growth & development functions. Most health care functions belong to physical health care. The results above suggest that we put together the divided contents of health education and manage them on the basis of systematic integration.
Journal of the Korean Society of Clothing and Textiles
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v.44
no.4
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pp.594-609
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2020
This study investigated how experience of creative dressing tasks influences consumers' perceptions and behavior towards clothing consumption. Consumer creativity can solve several problems in consumption practices; however, few studies have analyzed it in the consumption context. This study adopted an action research method so that consumers could experience creative clothing consumption in their daily lives. In-depth interviews and participant observations were conducted on eight adults in their 20s and 30s. Participants had to dress creatively 10 times and recorded their creative fashion styles, the ideas they used, and their feelings during the tasks in a consumer diary. The main results were as follows. Participants regarded the meaning of creative dressing as a 'visually novel, transformative, and hiding the physical flaws'. Based on these characteristics of creative dressing, they showed many creative ideas by expanding the product usages or varying coordination among the fashion items. As a result of the task experience, participants became aware their stagnant fashion style and reflected on shopping habits and low clothing usage-efficiency. This study is meaningful in that it systematically explored creative clothing consumption behavior step by step from a consumer perspective.
Journal of Korean Academy of Nursing Administration
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v.2
no.2
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pp.73-83
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1996
Scheduling for nursing personnel involves many factors and requirements. Therefore, manual scheduling requires much time and effort to produce an adequate schedule. This paper introduces a PC based nurse scheduling support system which was developed in Microsoft Access 2.0, an easy to use data base management tool. First step of this system is to determine necessary number of nursing personnel by medical law or by patient classification. Current Korean medical law stipulates that number of patients attended by a nurse is 2.5 for hospitalization. In addition, necessary nursing personnel by patient classification was determined four nurses for seven patients in this system based on the authors' preliminary study. And the second step is to assign daily duty type for each nurse at every nursing unit automatically. The introduced system fully utilizes the GUI environment of Microsoft Windows and even makes the computer-novice nurses feel comfortable in using the system. This system can help nursing administrators improve nurse scheduling in a way of quick and easy schedule generation for the future, and allow nurses more time for patient care.
The aim of the present study was to examine whether repetitive transcranial magnetic stimulation (rTMS) can improve gait ability of acute stage stroke patients. This study was conducted with 39 subjects who were diagnosed as having a hemiparesis due to stroke. The experimental group included 20 subjects who underwent repetitive transcranial magnetic stimulation and the control group included 19 subjects who underwent sham therapy. The stroke patients in the experimental group underwent conventional rehabilitation therapy and rTMS was applied daily to the hotspot of the lesional hemisphere. The stroke patients in the control group underwent sham rTMS and conventional rehabilitation therapy. Participants in both groups received therapy five days per week for four weeks. Temporospatial gait characteristics, such as stance phase, swing phase, step length in affected side, velocity, and cadence, were assessed before and after the four week therapy period. A significant difference was observed in post-treatment gains for the step length in the affected side, velocity, and cadence between the experimental group and control group ( p < 0.05). However, no significant differences were observed between the two groups on stance phase and swing phase ( p > 0.05). We conclude that rTMS may be beneficial in improving the effects of acute stage stroke on gait ability.
Objective: The objective is to identify genomic regions and candidate genes associated with age to 105 kg (AGE), average daily gain (ADG), backfat thickness (BF), and eye muscle area (EMA) in Yorkshire pig. Methods: This study used a total of 104,380 records and 11,854 single nucleotide polymorphism (SNP) data obtained from Illumina porcine 60K chip. The estimated genomic breeding values (GEBVs) and SNP effects were estimated by single-step genomic best linear unbiased prediction (ssGBLUP). Results: The heritabilities of AGE, ADG, BF, and EMA were 0.50, 0.49, 0.49, and 0.23, respectively. We identified significant SNP markers surpassing the Bonferroni correction threshold (1.68×10-6), with a total of 9 markers associated with both AGE and ADG, and 4 markers associated with BF and EMA. Genome-wide association study (GWAS) analyses revealed notable chromosomal regions linked to AGE and ADG on Sus scrofa chromosome (SSC) 1, 6, 8, and 16; BF on SSC 2, 5, and 8; and EMA on SSC 1. Additionally, we observed strong linkage disequilibrium on SSC 1. Finally, we performed enrichment analyses using gene ontology and Kyoto encyclopedia of genes and genomes (KEGG), which revealed significant enrichments in eight biological processes, one cellular component, one molecular function, and one KEGG pathway. Conclusion: The identified SNP markers for productive traits are expected to provide valuable information for genetic improvement as an understanding of their expression.
Journal of the Korean Academy of Esthetic Dentistry
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v.29
no.2
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pp.103-117
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2020
A beautiful smile has a great impact on the quality of life. It gives you confidence, and makes you function with a positive attitude, which will eventually bring the joy and happiness to daily lives. As dental practitioners, our mission is to bring back the bright smile of the people who come to see us. Restoring masticatory function is one thing but one should always remember that the esthetics should always come first in any kind of restorative procedures. When treating complex rehabilitation cases, treatment planning is probably the most important step before you start any dental procedures. Obviously, esthetics should be the ultimate goal of the treatment and one should approach a case step by step to achieve an optimal result. For the past few years, "digital smile design" has been introduced in the field of dentistry. It can be applied by using various methods and tools. In this article, a very basic form of 2-dimensional digital smile designing was utilized to treat a complete mouth rehabilitation case. We will discuss how the DSD concept can be applied to your daily practice with a simple photograph and photoshop.
The purpose of the study was to develop an internet nutritional counseling program using an expert system to assist obese people to lose weight through behavior modification. The internet counseling program for weight loss was developed by the accumulation of knowledge dealing with eating habits and exercising behaviors in expert system tool, Knowledge Engineering Agent (KEA) by a dietitian without any help of computer expert. To accumulate knowledge into KEA, survey was performed in 150 obese people, dietitians reviewed and consulted each survey case, and the consulted contents were learned and accumulated into KEA. Survey questionnaire was the same as that of the internet consulting program, and it included general characteristics, dietary habits, lifestyle, and exercise patterns related to obesity. Also, the dietitian selected proper factors inferred from the survey questionnaire of each case, and added the conclusions for them. Conclusions were made for helping clients to correct bad eating behaviors and accumulate good behaviors to lose weight. Counseling was divided into two parts; a two-week part and a daily part. Two-week counseling was performed based on 4 step questionnaires, and daily counseling was done for daily food consumption and physical activity. When clients answered survey questionnaires in a counseling internet program, the recommendations on how to eat, to exercise and to deal with stress in a real time for each case, was given. In conclusion, a counseling internet program for weight reduction can be used to give advices how to deal with obesity in a man-to-man way in a real time using KEA where nutritional knowledge based on behavior modification for weight loss was accumulated.
This study was aimed to develop a mobile wellness program, and then to examine the effectiveness of the program in office workers to improve their physical activity. A single group pre-test post-test design was used. A total of 26 office workers received a mobile wellness program using a wearable device during 12 weeks. Effectiveness of the intervention was measured at soon after a mobile wellness program. There were significant differences between pre-test and post-test on daily steps (t=-2.52, p=.018), competence (t=-2.12, p=.044), and wellness(t=-2.83, p=.009). In conclusion, the mobile wellness program using a wearable device is effective for office workers by improving daily steps and encouraging their competence and wellness.
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