• 가정과삶의질연구
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• 제35권1호
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• pp.139-158
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• 2017

Following the global trend of the delayed transition to adulthood, the number of unmarried middle aged adult children living with, or economically dependent on their parents has increased in Korea. Middle aged adult children in Korea are traditionally expected to satisfy their duty to support their elderly parents both in economic and emotional needs. This study aims to explore group differences in unmarried adult children in their mid 30s or older and in parents having unmarried middle aged child(ren) depending on co-residency and the children's eonomic dependency in Korea. Using quota sampling in terms of living arrangements (living together vs. living apart), 500 unmarried adult children 35 years of age or older and 500 elderly parents, having at least one unmarried child in the mid of 30s or over, were selected in Seoul, Korea in June 2016. First, the findings show that unmarried adult children living together with their parents and depending on their parents economically were in the lowest level of educational achievement and the lowest level of monthly average income among the respondents. Second, both unmarried adult children and parents from the group of co-residency and economically dependent showed the lowest level of psychological well-being. Third, parents from the group of co-residency and economically independent had mostly positive relationships with children, whereas, parents from the group of living apart and economically dependent reported the most negative relationships. Finally, respondents included in the group of co-residency had positive attitudes toward marriage and the support for their elderly parents regardless of the child's economic dependency. This study has implications for the increasing number of unmarried middle aged adult children and their elderly parents.

• 대한산업공학회지
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• 제3권2호
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• pp.57-62
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• 1977

We consider the problem of determining the optimal replacement policy of the items which deteriorate appreciably with time and become obsolete. Most of the conventional engineering economy models including the widely-accepted MAPI model assume linearity of technological improvement over time, in obtaining the economic lives of items and the net present values of the replacement alternatives under consideration. The main achievement of this paper is in that it successfully relaxes this strict linearity assumption to accommodate various other types of technological improvements in determining those values. Based on these results, we also include in this paper the mathematical models by which to determine the optimal replacement policies of items both under and without capital budgeting constraints.

• 복식문화연구
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• 제8권6호
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• pp.842-852
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• 2000

The purpose of this study was to classify consumer groups according to the life style dimensions and to analyze conspicuous consumption, clothing shopping motives among consumer groups, and also to clarify relationships between demographic variables and the life style, conspicuous consumption, clothing shopping motives. The subjects were 329 women in their twenties living in Seoul. For data analysis, mean, factor analysis, cluster analysis, t-test, ANOVA, Duncan test were conducted. The results were as follows ; First, consumer groups were classified into the following five subdivisions : passive group, appearance consideration/self-realization group, appearance indifference group, family oriented/economic group, achievement oriented/active group. Second, the significant differences among the classified life style groups were found in conspicuous consumption and clothing shopping motives. Third, there were significant differences in life style, conspicuous consumption, clothing shopping motives according to demographic variables like age, occupation.

• 지역사회간호학회지
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• 제19권3호
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• pp.450-458
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• 2008

Purpose: This study was done to investigate the relationship between the type of gender role identity and home environmental variables. Method: This study used a descriptive survey design and convenience sampling. Data were collected through self report questionnaires from 1,497 female high school students in Seoul. The data were analyzed by the SPSS 10.0 program, which included frequency, percentage, mean, standard deviation, chi square test, ANOVA, and Duncan test. Results: The androgyny gender role identity was most common (33.9%). The type of gender role identity had a significant correlation with home environmental variables (economic status, relationship with parents, father's education level, mother's education level. noninterference, reasonable guidance, affection, overprotection, achievement, active involvement, limit setting). Conclusion: It is necessary to provide parent education programs to help female adolescents develop gender role identity toward androgyny.

• 대한가정학회지
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• 제46권2호
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• pp.113-125
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• 2008

In order to develop leisure activity programs, the responses of 900 middle and high school students to a questionnaire survey were analyzed. Between May 7 and May 21, 2007. we routinely interviewed adolescent (middle and high school) students from Daegu City. After initial screening, the responses of 874 students were used for statistical and descriptive analysis. The findings were as follows: 1) Respondents indicated the highest preference for 9-leisure activity programs, with physical training rating the highest. 2) Adolescent requirement for leisure activity programs varied according to demographic factors; sex, age, religion, family living standards level, monthly average allowance. 3) Adolescent requirement for leisure activity programs varied according to value disposition patterns; materialism and job achievement-oriented value disposition, human relationship-oriented value disposition, enjoyment-oriented value disposition. 4) Adolescent requirement for leisure activity programs varied according to leisure-constrains factors; social constrains, individual and time constrains, family constrains, economic constrains.

• 한국학교보건학회지
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• 제32권3호
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• pp.175-183
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• 2019

Purpose: This study was conducted to examine the factors that influence sleep satisfaction among adolescents with Allergic Rhinitis in Korea. Methods: Data were obtained from 21,480 subjects who completed the 2018 14^th Korea Youth Risk Behavior Web-based Survey. The data were analyzed using complex samples logistic regression with PASW 18.0. Results: The factors influencing sleep satisfaction were gender, grade, academic achievement, economic status, living arrangement, physical activity, drinking, smoking, stress, depression, perceived health status and perceived body image. Conclusion: It is necessary to develop interventions considering general and health-related characteristics in order to improve sleep satisfaction among adolescents with allergic rhinitis.

• Journal of the Korean Data and Information Science Society
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• 제17권4호
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• pp.1219-1235
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• 2006

This study aimed to inquire the relationship among wellness, quality of life and socio-demographic variables in Korean middle school students. 'Korean Wellness Scale for Middle school students(K-WSM), Quality of Life Scale, and other socio-demographic data were surveyed to 1,200 students in national wide area. For the results, ANOVA, Pearson's Correlation, and Multiple regression were conducted. With demographic variables, sex, religion, & academic achievement of students, social economic status(SES) and living with both of parents were positively related to wellness and quality of life. But grade and physical disease of student didn't show significant relationships. The relationship between wellness and quality of life showed high correlation (r=.66, p < .05). Among the wellness subscales, spiritual and social wellness showed significant predictive power. In the end, the contributions and limitations of this study were discussed.

• 한국디지털정책학회:학술대회논문집
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• 한국디지털정책학회 2004년도 춘계학술대회
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• pp.525-544
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• 2004

The Purpose of this study is to examine logistics characteristics related to electronic commerce and to suggest improvement of logistics Service in electronic commerce. This paper concerns the logistics functions which are essential for completing a commerce process even under the EC environment and provides ways to improve the logistics performance. Electronic commerce have introduced two scenes; dramatic change of the existing distribution surroundings and noticeable achievement of the economic advance and social efficiency. But, in the same scene, electronic commerce can be a threat to business condition, especially logistics management. It suggests that for activation of EC it is necessary to strengthen the strategic alliances, introduce GPS and use the third party logistics positively to prepare for the settlements of traffic problems, support the introduction of integrated logistics service and logistics information system.

• 대한가정학회지
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• 제40권6호
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• pp.173-184
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• 2002

The purpose of this study was to investigate the relationship between life styles and use of the bedclothes. The data were obtained from questionnaires completed by 356 women in Daegu area whose age was 20 years and older. The SPSS package was used for data analysis which includes frequency, percentage, $\chi$$^2$-test, ANOVA, Scheffe test, and cluster analysis. The life styles of the respondents were classified into 6 factors such as shopping-oriented, family-oriented, achievement-oriented, value-oriented, conservative, and economic type. Three clusters were developed by 6 factors of life styles. Demographic characteristics and preference, use, and purchase behavior of the bedclothes for three clusters were analysed.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 1995년도 가을 학술발표회 논문집
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• pp.219-223
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• 1995

Since the mid of 1970's, the construction of infrastructure has been booming and accelerating to keep up with rapid economic growth. Fast achievement of most construction activities has caused unfavorable effects of civil petitions associated with damages and nuisances due to last hasty works. it is well known that the falling down of Sungsoo bridge and the collapse of Sampoong department and other structures have occurred because of the construction not conforming with the specification, and thereby incurred enormous loss of life and property. Now a days. a periodic inspection and maintenance have been strongly interested on aged RC structures, of repair and reinforcement technique in the country, most repairing and reinforcing works have been performed on the basis of the guidance of few experienced local company in this field.