• Toxicological Research
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• v.30 no.4
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• pp.251-260
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• 2014

The number of farmers who have suffered from non-fatal acute pesticide poisoning has been reported to vary from 5.7% to 86.7% in South Korea since 1975. Absorption through the skin is the main route of exposure to pesticides for farmers who operate with them. Several in vitro tests using the skins of humans or animal and in vivo tests using laboratory animals are introduced for the assessment of human dermal absorption level of pesticides. The objective of this study is to evaluate and compare international guidelines and strategies of dermal absorption assessments and to propose unique approaches for applications into pesticide registration process in our situation. Until present in our situation, pesticide exposure level to operator is determined just using default value of 10 as for skin absorption ratio because of data shortage. Dermal absorption tests are requested to get exposure level of pesticides and to ultimately know the safety of pesticides for operators through the comparison with the value of AOEL. When the exposure level is higher than AOEL, the pesticide cannot be approved. We reviewed the skin absorption test guidelines recommended by OECD, EFSA and EPA. The EPA recommends assessment of skin absorption of pesticides for humans through the TPA which includes all the results of in vitro human and animal and animal in vivo skin absorption studies. OECD and EFSA, employ a tiered approach, which the requirement of further study depends on the results of the former stage study. OECD guidelines accept the analysis of pesticide level absorbed through skin without radioisotope when the recovery using the non-labeled method is within 80~120%. Various factors are reviewed in this study, including the origin of skin (gender, animal species and sites of skin), thickness, temperature and, etc., which can influence the integrity of results.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.17 no.9
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• pp.628-640
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• 2016

This research is a descriptive study intended to identify the factors involved in the influence of the emotional intelligence of nursing students on their career decision-making self-efficacy and career decision levels. The correlations among the major variables were analyzed by calculating the Pearson's correlation coefficients. To identify the effects of the subjects' general characteristics and emotional intelligence on their career decision-making self-efficacy and career decision levels, a multiple regression analysis was conducted. The analysis results showed that there were positive relationships among emotional intelligence, career decision making and career decision-making self-efficacy. The factors influencing career decision-making self-efficacy were gender (${\beta}=-.155$), motivation to find employment (${\beta}=-.145$), use of emotions (${\beta}=.236$), emotional control (${\beta}=.197$), and understanding of others' emotions (${\beta}=.157$). In addition, the factors affecting the subjects' career decision level were the year level (${\beta}=.273$), motivation to find employment (${\beta}=-.145$), motivation to obtain others' recommendation (${\beta}=-.138$), and emotional control (${\beta}=.223$). Hence, sufficient endorsement from school or home is required with regard to the roles and duties of a nurse, in order to motivate future students to select the nursing degree. Furthermore, it is suggested that emotional intelligence may be improved when the degree program provides a higher proportion of emotional education.

• Restorative Dentistry and Endodontics
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• v.35 no.6
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• pp.436-444
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• 2010

Objectives: This study aimed to assess prospectively the clinical outcome of nonsurgical endodontic treatment and identify patient- and tooth-related factors, rather than treatment-related factors, that were the best predictors of this outcome. Materials and Methods: The inception cohort comprised 441 teeth (320 patients) and 175 teeth (123 patients) were followed up for 1-2 years. Age, gender, presence of medical disease, number of canals, previous endodontic treatment, presence of sensitivity and pain, pulp vitality, swelling or sinus tract of pulpal origin on the gingiva, periapical radiolucency and tendency of unilateral bite on the affected tooth were recorded at treatment start. Results: The outcome was classified on the basis of periapical radiolucency as healed or non healed. The overall healed rate in these cases, including nonsurgical retreatment, was 81.1%. Four tooth-related factors had a negative impact in the bivariate analysis: previous endodontic treatment, necrotic pulp, preoperative gingival swelling or sinus tract of pulpal origin, and preoperative periapical radiolucency. Stepwise logistic regression analysis including patient-, tooth-related factors and level of the root canal filling as a treatment-related factor showed that preoperative gingival lesion (odds ratio [OR]: 4.4; p = 0.005), preoperative periapical radiolucency (OR: 3.6; p = 0.011), and $\leq$ 1-2 mm under root filling length (OR: 9.6; p = 0.012) were significant predictors of failure. Conclusions: A preoperative gingival lesion of pulpal origin can influence the outcome of nonsurgical endodontic treatment in addition to preoperative periapical radiolucency.

• Korean Journal of Hospice Care
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• v.5 no.2
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• pp.75-85
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• 2005

The objective of this research is to provide the basic material for effective hospice care by analyzing the recognition of families who have terminally ill patients over death. To do so, this research is designed to investigate the general tendency toward death and changes after hospice care. To analyse the initial status of the recognition about the death, questionnaires were provided to the families of the terminally ill patients who were taken hospice care from June 1st, 2005 to September 10th, 2005 at Saemmul Hospice. The same questionnaires were distributed to research some changes of the recognition of the death after 3 weeks. As the Data Analysis Methodology, SPSS v.10.0 statistics program were utilized. The summary of this research is as follows. First, by gender, it is analyzed that women have more fear than men in terms of incompetence sense after death. By religion, Christians have less fear than other religious people in terms of fear toward after death and general sense of death. Second, those who experienced deaths of close family members, relatives, friends for the past 3 years have more fear toward the moment of death than those who did not experience it. Third, statistically valid difference was found in terms of fear toward the moment of death, fear toward incompetence, fear toward after death, and fear toward death before and after the hospice care was taken. Based on the result of this research, terminally ill patients' families facing death have shown significant differences on fear and incompetence before and after hospice care was offered. It is necessary that the hospice care should be settled more professionally by expanding the opportunities of hospice care and institutionalizing the system. In addition, hospice activities which are focused on providing hope after death and facing death with dignity and peace should be expanded increasingly as the family members who experienced deaths showed higher degree of fear and powerlessness and Christians have less fear toward death with the help of biblical influence. It is also required that hospice care specialized in recognizing the importance of terminal cancer patients and their families at the same time.

• Korean Journal of Social Welfare Studies
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• v.47 no.4
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• pp.5-42
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• 2016

This study investigates why some female workers come to decide to leave work after their taking parental leave and subsequently classifies their resignation backgrounds into four ideal types. The current debates on parental leave have mostly focused on clarifying the factors that influence on workers' usage of parental leave. But given that the final goal of parental leave is to help workers return to work after temporary rest for parenting, it is very important to inquire why some workers fail in reverting to their companies after parental leave. Based on in-depth interviews with 8 female workers who leave work after parental leave, this study analyses and compares their previous work-family conditions, reasons for taking parental leave and withdrawing from work, and behavioral patterns after resignation. This article then typifies four ideal types of resignation backgrounds (i.e. penalty by company, evasion from work, decision by family, choice for family). At the conclusion, this paper suggests policy alternatives to diminish female workers' resignation after parental leave and to heighten their work-family balance.

• Korean Journal of Social Welfare Studies
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• no.39
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• pp.315-342
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• 2008

The aim of this study was to examine growth trajectories of delinquent behaviors during adolescence. In addition, the effects of protective and risk factors that might account for individual difference in the level of delinquent behaviors and in the rate of change were examined. Four waves of data in the Korea Youth Panel Survey(KYPS) were used to analyze the linear growth modeling. The sample consisted of 3346 adolescents who were assessed at 4 measurement waves with approximately 1-year intervals. The results showed significant individual differences in both final level of delinquent behaviors and in the rate of change across 3 measurement occasions. Adolescent gender, family's socioeconomic background predicted the final level and the rate of change of delinquent behaviors. The protective effects of positive parenting and self-control were significantly associated with problem behaviors and the risk effects of the association with deviant peers and negative stigma were significant on the final level of delinquency. Self-control and deviant peer affiliation had differential influences over time significantly. Practice and policy implications as well as further research topic were discussed in the light of searching for important factors in preventing adolescent problem behaviors.

• Safety and Health at Work
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• v.7 no.2
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• pp.111-119
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• 2016

Background: Shift work and/or sleep quality may affect health. We investigated whether shift work and sleep quality, separately and jointly, were associated with abnormal levels of triglycerides, total cholesterol (TC), and low-and high-density lipoprotein cholesterol in 360 police officers (27.5% women). Methods: Triglycerides, TC, and high-density lipoprotein were analyzed on the Abbott Architect; low-density lipoprotein was calculated. Shift work was assessed using City of Buffalo payroll work history records. Sleep quality (good, ${\leq}5$; intermediate, 6-8; poor, ${\geq}9$) was assessed using the Pittsburgh Sleep Quality Index questionnaire. A shift work + sleep quality variable was created: day plus good sleep; day plus poor sleep; afternoon/night plus good; and poor sleep quality. Mean values of lipid biomarkers were compared across categories of the exposures using analysis of variance/analysis of covariance. Results: Shift work was not significantly associated with lipids. However, as sleep quality worsened, mean levels of triglycerides and TC gradually increased but only among female officers (age- and race-adjusted p = 0.013 and 0.030, respectively). Age significantly modified the association between sleep quality and TC. Among officers ${\geq}40$ years old, those reporting poor sleep quality had a significantly higher mean level of TC ($202.9{\pm}3.7mg/dL$) compared with those reporting good sleep quality ($190.6{\pm}4.0mg/dL$) (gender- and race-adjusted p = 0.010). Female officers who worked the day shift and also reported good sleep quality had the lowest mean level of TC compared with women in the other three categories (p = 0.014). Conclusion: Sleep quality and its combined influence with shift work may play a role in the alteration of some lipid measures.

• Korea Real Estate Review
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• v.28 no.1
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• pp.105-114
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• 2018

According to Statistics Korea, South Korea has entered the realm of the "aging society" with the rapid development of the country's population. Researchers anticipate that the extremely high (73%) ratio of real estate property to total assets for mid-age to aged households in South Korea that do not have a fixed income may cause serious problems in the future. For example, the real estate market in South Korea may be bombarded with properties listed for sale, causing the average property price to drop due to the abundant supply. Although this prediction may be reasonable, this concept has excluded the idea of pension (which is crucial as it can be considered a consistent and fixed income) due to the limited amount of available data thereon; as such, it is important to include this factor to improve the pertinent research. Thus, this research was conducted using the data from the $3^{rd}$ and $5^{th}$ Korea Retirement and Income Study. For the study results, it was found that variables such as net asset, gender, education, and number of family members have the same impact as that found in the previous studies. To extend from here, two new factors were introduced: the existence of pensions and the amount of pension received by a household. From there, it was found that the existence of a consistent and fixed income such as a pension has led to an increase in housing consumption, the area of interest of the authors.

• Journal of vocational education research
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• v.37 no.3
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• pp.65-83
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• 2018

In this study, we want to analyze the aspect that required in the classroom for the operation of NCS-based curriculum, the interest of specialized subject teachers on implementable teaching and learning methods. As a result, the overall interest in teaching-learning method of specialized subject teachers was similar to that of non-user patterns among four types of interest patterns. In other words, specialized subject teachers want to know more about teaching-learning method for applying NCS-based curriculum, but we are only aware of the general facts at present, and it seems that there is low interest in actual operation. In addition, there was no statistically significant difference in the degree of interest in the teaching-learning method according to general variables(gender, related training experience, career, and curriculum group) of the specialized subject teachers. The specialized subject teachers are not well aware of the influence of the teaching-learning method according to the introduction of NCS-based curriculum, and to that end, there was little interest in collaboration with colleagues.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.8
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• pp.560-569
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• 2019

This study examined the factors influencing the burnout of correctional workers via a survey conducted in February 2018 for the employees working at the Korea Rehabilitation Agency. The final analysis used data from 290 survey responses. In order to investigate the factors affecting burnout, personal and job-related characteristics, job stress, and interpersonal stress factors were analysed. For the analysis, Baslach burnout scale, Korean occupational stress scale (KOSS), Korean interpersonal relationship stress (KIRS), descriptive analysis, correlation analysis, and hierarchical regression analysis were all used. The correlation analysis showed statistically significant relationships between the factors(p<.01). From the regression analysis results, the influences of job stress (job demand ${\beta}=.308$, p<.001, degree of autonomy ${\beta}=.124$, p<.001, relationship conflict ${\beta}=.169$, p<.001) and interpersonal stress (relationships with supervisors ${\beta}=.402$, p<.001, relationships with clients ${\beta}=.155$, p<.01) were stronger than job-related characteristics (employment type, working hours, working years) and personal characteristics (gender ${\beta}=.173$, p<.01). Although personal and job-related characteristics influence the workers' burnout, levels of job stress and interpersonal stress affect burnout levels more strongly. Based on the study results, further study and suggestions for reducing the burnout of the correctional workers were discussed.