• International Journal of Highway Engineering
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• v.10 no.4
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• pp.139-150
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• 2008

In this study, It is focused on development of the forecasting model about trumpet InterChange(IC) ramp accident because of the frequency of accident in ramp more than highway basic section and trend the increasing accident in ramp. The independent variables was selected through statistical analysis(correlation analysis, multi-collinearity etc) by ramp types(direct, semi-direct and loop). The independent variables and accident rate is non-linear relationship. So it made new variables by transformation of the independent variables. The forecasting models according to exit-ramp type (direct, semi-direct and loop) are built with statistical multi-variable regression using all possible regression method. And the forecasts of the models showed high accuracy statistically. It is expected that the developed models could be employed to design trumpet IC ramp more cost-efficiently and safely and to analyze the causes of traffic accidents happened on the IC ramp.

• Journal of Family Relations
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• v.23 no.2
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• pp.133-155
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• 2018

Objectives: This study examined the differences in the intention of having a second child and the related factors among Chinese and Vietnamese migrant women from the perspective of adaptation theory. Methods: Data were drawn from the National Survey on Multi-Cultural Families in 2009 and 2015. Among the total 7,615 married migrant women (Korean-Chinese, Chinese-Han, Vietnamese), those within the age group 20-39 within the first 5 years of marriage who had one child were selected. A frequency analysis, chi-squared test, and logit regression analysis were performed. Results: Different ethnic groups had different reasons for having a second child and the related factors also differed between 2009 and 2015. In 2009, after controlling the related variables, the intention of Korean-Chinese and Chinese-Han married immigrant women to have a second child was higher than that of Vietnamese women, but no such difference was found in 2015. Participation in their local community, first marriage, the gender of the first child, and whether they were living with their parents-in-law were associated with the intention of migrant women having a second child in the 2009 analysis model but these factors were not significant in the 2015 analysis model. In the latter model, the household income, a variable related to economic conditions, has a positive effect on the intention of having a second child. Conclusions: The significance of this study supports adaptation theory by addressing the similarity in the childbirth intention between recently married immigrant women and Korean women.

• Journal of the Korean Home Economics Association
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• v.43 no.7 s.209
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• pp.23-35
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• 2005

This study examined the consumer complaining behavior after purchasing functional health foods and investigated the variables which influence public and private consumer complaining behavior. The subjects of this study were 206 consumers who were dissatisfied after purchasing functional health foods. The survey was conducted during September. 15-October 6, 2003. Percentiles, frequencies, means, $X^2$ and logistic regression were utilized for data analysis with SPSS program. Major findings were as follows: 1 The groups reporting public complaining behavior were over college graduate, high income workers, professional and clerical workers(demographic variables). Purchasing related variable were high purchasing price, strategy of sales person and. ad, purchasing channel through door to door sales, telemarketing, multi level sales, and home shopping, purchasing purpose of weight control and cosmetic. 2. The groups reporting private complaining behavior were high school graduate, low income workers, housewives and the unemployed(demographic variables). Purchasing related variable were low purchasing price, the case of consumer need, purchasing in the shop, purchasing purpose of health restoration.

• Korean Journal of Social Welfare
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• v.49
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• pp.296-318
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• 2002

The purpose of this study is to empirically analyze whether or not, if a community social service center was affiliated with a governing body running other community social service centers, the center would have better organizational performance in comparing to an independently running center. Data was collected from a nationwide mailed and self-administered survey, which 237 centers out of 343 community social service centers responded. Even if, the response rate was 72%, 218 centers were finally analyzed due to the weakness of reliability and incompleteness. By the way, measurement of organizational performance as the dependent variable has been substituted of the results of nationwide organizational evaluation project as the secondary data. One of findings is that 68% of 218 responding centers appeared to be affiliated with a governing body which running more than three other centers, while 41% being affiliated with a body which running more than five other centers. However, a logistic regression analysis which using organizational performance as the dependent variable, has failed to verify the hypothesis that a center which affiliated with a governing body running other centers has better organizational performance when comparing to an independent center. The researcher assumes that a part of governing bodies has better performance and improves competitiveness while the other larger part of them pursues simple organizational growth. Thus, this situation made that the overall evaluation of being affiliated with a large governing body was not positive.

• Journal of the Korean Society of Food Culture
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• v.21 no.6
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• pp.661-669
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• 2006

The purpose of this study was to investigate the consumption and perception on the effect of cooked rice mixed with multi-grain (CR-MG). Reason for like and dislike, intake frequency and variables related with the satisfaction of CR-MG were also investigated. The data for the analysis was collected from 315 adults who were residing at Seoul${\cdot}$Kyeonggi and Kangwon area and analyzed by the SPSS 11.0 program. The result showed that 84.8% of the respondents consumed CR-MG, showing significant difference by gender and occupation (p<0.05). It also revealed that they consumed it knowing their effect, showing significant difference by all general characteristics except for resident area and BMI, respectively. Kind of multi-grain (MG) mixed with cooked rice was high in the order of SoRiTae (80.1%) > brown rice (73.4%) > black rice (72.7%) > waxy rice (61.0%), respectively. As for the mixing type of MG, 61.4% of the respondents preferred non-mixed product rather than pre-mixed product. 2 or 3 kinds were preferred numbers of MG mixed with rice, showing significant difference by age (p<0.001) and marital status(p<0.05), respectively. 59.9% of the respondents answered 'high nutritive value more than polished rice' as the major reason for like, whereas 31.3% answered 'greatly rough more than polished rice' as that for dislike, respectively. By the use of multiple regression analysis, it revealed that health was the most significant variable which affect the satisfaction of CR-MG. From these results, it was suggested that in view of the high consumption and intention to continue the intake of CR-MG, following studies should be conducted to improve the preference of CR-MG.

• Wind and Structures
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• v.38 no.4
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• pp.325-339
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• 2024

The longitudinal force resulting from tornado loads on transmission line is considered a crucial factor contributing to the failure of transmission line structures during tornado events. Accurate estimation of this longitudinal force poses a challenge for structural designers. Therefore, the objective of this paper is to provide a set of charts that can be easily used to estimate the peak longitudinal forces transferred from the conductors to a tower. The critical wind field and corresponding configuration considered in this paper are previously studied and determined. The charts should account for all the conductor parameters that can affect the value of the longitudinal force. In order to achieve that, a parametric study is first conducted to assess the variation of the longitudinal forces with different conductor parameters, based on the critical tornado configuration. Results of this parametric study are used to develop the charts that can be used to calculate longitudinal forces by adopting a multi-variable line regression. The forces calculated from charts are validated by finite element analysis. An example for the usage of the charts is provided at the end of this paper.

• Korean Journal of Health Education and Promotion
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• v.29 no.5
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• pp.103-113
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• 2012

Objectives: This study aims to identify the effects of environmental characteristics of the community on adults' drinking problems with held constant effects of characteristics of drinkers themselves. Methods: A multi-level regression analysis was employed to differentiate the variances accounted for by measurements both at individual and group levels. Data on individual demographic, behavioral, and mental health status were obtained from the Community Health Survey conducted in 2009 in the province of Kyunggido, which include 41,376 respondents aged 19 and over. This study included 28,335 adults who were classified as drinkers. They were from 45 communities(si, gun, or gu) for which data on contextual characteristics were collected by secondary data available on local government websites and KOSIS(Korea Statistical Information System). Results: Multi-level analyses showed that the variance of the dependent variable, harmful use of alcohol measured by alcohol use disorder identification test was independently accounted for by variance of independent variables at group level, including number of on-premises alcohol outlet per inhabitant and divorce rate, with held other independent variables of the model controlled. Conclusions: This study confirms that in order to prevent and reduce harms caused by harmful use of alcohol requires restricting physical availability of alcohol in the community where the drinker lives.

• Journal of Convergence for Information Technology
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• v.10 no.2
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• pp.116-125
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• 2020

This study examined the effect of ego-resilience, function of family, stress of adapting to a new culture perceived by youth from multi-cultural families at Gyeonggi-do on their mental health. In doing so, the study sought to suggest effective supportive visits to enhance their mental health. For this, the study carried out a descriptive analysis, t-test, one-way anova, hierarchical regression analysis among 304 middle schoolers from multi-cultural families living at Gyeonggi-do. The study found following results. The higher youth from multi-cultural family perceived the procedural stress, sub-variable of stress of adapting to a new culture and the lower they perceived emotional control, sub-variable of ego-resilience, the higher depression and anxiety they experienced, resulting in worsening of their mental health state. Based on these findings, the study, in order to enhance the mental health of youth from multi-cultural family and their ego-resilience, discussed and suggested development of psychological/emotional programs, preparation of supportive measures to overcome their stress in the course of their cultural adaptation as well as systematic supplementation of related laws in support of multi-cultural families.

• Journal of Korean Academy of Fundamentals of Nursing
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• v.22 no.3
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• pp.268-276
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• 2015

Purpose: The purpose of this study was to identify factors which influence the management of MultiDrug -Resistant Organisms (MDROs) by nurses in Intensive Care Units (ICUs). Methods: Data were collected from December 8 to 20, 2013 and participants were 163 ICU nurses working in one general hospital. The Health Belief Model tool and knowledge and management of MDROs infection tools were used in the study. Descriptive statistics, t-test, analysis of variances, Pearson correlation coefficients and multiple regression were used to analyze the data. Results: Knowledge, perceived susceptibility, and perceived benefits had a significant influence on MRSA (Methicillin Resistant Staphylococcus Aureus,) and MDRAB (Multidrug Resistant Acinetobacter Baumannii) infection management when all the other variables were considered. Significant variable which had influence on VRE (Vancomycin Resistant Eenterococci) infection management were perceived susceptibility and perceived benefits. Conclusion: Perceived susceptibility and perceived benefits had significant influence on MDROs infection management. Emphasis needs to be on the perceived susceptibility and perceived benefits of MDROs infection management when providing an educational program for ICU nurses.

• The Journal of the Korea Contents Association
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• v.14 no.11
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• pp.186-195
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• 2014

The purpose of this research is to explain what affects the volunteer center's performance on the basis on the program logic model. We assume that internal factors and external factors influence the organizational performance. For the empirical analysis, we use SUR(seemingly unrelated regression). The major findings of this research are as follows: Frist, organizational budget as internal factors are important influential factors. Second, civil society's capacity variable and stakeholder's support variable affect positively volunteer center's performance. Third, the contract out variable's effect as an operation types is not proven statistically. In case of estimating the multi organizational performance, lastly, the SUR method is prefer to the OLS method in the aspect methodology. However, more systemic study is complemented the panel data for organizational performance.