• Research in Community and Public Health Nursing
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• v.22 no.3
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• pp.342-354
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• 2011

Purpose: This study was to estimate the effectiveness of an intervention program using the trans-theoretical model on the stages of change, the process of change, decisional balance, self-efficacy, the levels of medication adherence, and blood pressure difference. Methods: A similar experiment was conducted using a nonequivalent control group pre- and post-test design. The study subjects were 108 hypertensive patients. The program was administered to the experimental group while educational materials were given to the control group. Descriptive analysis, 2-test, t-test, and repeated measures ANOVA were used with SPSS 17.0 to analyze collected data. Results: After treatment with this program, the experimental group showed stage of change ($x^2=52.917$, p<.001), cognitive (F=13,528, p<.001), behavioral process of change (F=10.808, p<.001), benefits (F=5.569, p=.012), loss of medication adherence (F=15.661, p<.001), self-efficacy (F=5.407, p=.011), levels of medication adherence (F=51.442, p<.001). Conclusion: There was a significant improvement in the experimental group who participated in the TTM medication adherence intervention program. Given that this intervention program motivated and stimulated hypertensive patients to adhere to the prescribed medications, the TTM medication adherence intervention program is expected to be an effective and practical intervention method for health improvement.

• Journal of Korean Public Health Nursing
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• v.32 no.2
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• pp.208-220
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• 2018

Purpose: This study examined the mediating effects of self-esteem on the relationship of college students' parental acceptance-rejection rearing attitude and aggression according to gender. Methods: This study was conducted as a descriptive survey. Data were collected using a self-report questionnaire from the 1st to 20th of November 2017, and questionnaires from 266 college students were used in the analysis using a Chi-square test, Fisher's exact test, t-test, Pearson correlation coefficients, simple and multiple regression techniques with the PASW/WIN 20.0 program. Results: In male students, self-esteem had perfect mediating effects on the relationship between the parental acceptance-rearing attitude and aggression. On the other hand, it had partial mediating effects on the relationship between the parental rejection-rearing attitude and aggression. In female students, self-esteem did not have mediating effects on the relationship between the parental acceptance-rejection rearing attitude and aggression. Conclusion: To reduce college students' aggression, it is necessary to build effective strategies to redefine the parent-child relationship and develop a self-esteem promotion program considering gender.

• Journal of the Korean housing association
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• v.10 no.2
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• pp.223-234
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• 1999

The purpose of this study was to provide basic information for future residential flooring planning by identifying differences in preference for flooring materials of livingroom by characteristics of housewives living in apartment housing and by describing their perception of residential flooring materials and by analyzing their degree of satisfaction with the current flooring materials of livingroom. For this purpose, a survey was conducted by 281 housewives who lives in apartment, and analyzed by using frequency, percentage, mean, factor analysis, χ² test, t-test, one-way ANOVA and Duncan's Multiple Range test. The results of the study were obtained as follows: 1) The most preferred flooring materials was wood in the livingroom. Also, most of the reasons for preferred this flooring materials were good for health and good texture. 2) As a result of typifying housewives' perceptions of residential flooring materials, it was classified into fashoin-pursuit type, personality-expression type, beauty-pursuit type, health-pursuit type and practicality-pursuit type. 3) In the degree of satisfaction with the current flooring materials of livingroom, wood showed the highest level of satisfaction. 4) Differences in the degree of satisfaction with the current flooring materials of livingroom by personal characteristics of residents were analyzed. As results, it was found that the group who were later stage of family life cycle and experienced in replacing the flooring materials showed higher degree of satisfaction with the current flooring materials of livingroom.

• Fashion & Textile Research Journal
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• v.17 no.4
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• pp.550-560
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• 2015

This study investigates clothing consumption behavior of fast fashion purchasers according to environmental consciousness. Questionnaire examined 245 males and females in Busan who experienced fast fashion product purchases. Data were analyzed using factor analysis, t-test. ANOVA, Duncan Test and ${\chi}^{2}-test$. The results are as follows. First, the result showed significant differences in environmental consciousness education according to demographic characteristics. Second, the results showed significant differences in the hedonic pursuit of purchase motivation for fast fashion products according to environmental consciousness. The low environmental awareness group pursued hedonic purchases towards the purchase motivation of fast fashion products. The results showed significant differences in fast fashion disposal behavior according to environmental consciousness; however, not for the disposal motivation of fast fashion. In the disposal behavior of fast fashion, the high environmental awareness group indicated social friendly disposal and the middle environmental awareness group indicated economical disposal. The result showed significant gender differences towards clothing consumption behavior of fast fashion according to demographic characteristics. Males and females showed significant differences in all purchase motivation factor for fast fashion products. They also showed significant differences in economical disposal towards fast fashion disposal behavior.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2005.06a
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• pp.1808-1811
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• 2005

The prediction of AOV(air-operated valve) performance is normally evaluated by the allowable opening thrust margin for the opening and closing stroke. However, it is not easy to carry out the dynamic test measurement for all the valves in the nuclear power plant due to the safety and operating conditions. The analysis of the available and required thrust for the valve is simulated as an alternate method to turn around this obstacle. The required air pressures to the stem displacement are discussed for differential valve pressure obtained by experiment. The result of the simulation is compared with that of the experiment. SIMULINK in MATLAB was used for the simulation and the results show good agreement with the actual test carried out with Fisher globe valve.

• Journal of the Korean Society of Physical Medicine
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• v.8 no.4
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• pp.513-523
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• 2013

PURPOSE: The purpose of this study was to investigate characteristics of the forced pulmonary function test effect and abdominal muscles activation by combined complex exercise with abdominal drawing-in maneuver training of chronic stroke patients. METHODS: 14 post stroke patients(10 males and 4 females) involved voluntary this study and we divided two groups into CEG(complex exercise group) and CEAG (complex exercise and abdominal drawing-in maneuver group).(n=7, per goup). Each groups implicated the 2 times, 30minute exercises for 6 weeks a day. The CEAG performed the complex exercise 15 minutes and 15 minutes of abdominal drawing-in maneuver. For data analysis, the mean and standard deviation were estimated; non-parametric independent t-test was carried out. RESULTS: According to the study, in the combined complex exercise with abdominal drawing-in maneuver group, FVC and activation of transversus abdominis/internal oblique were statistically significant difference compared to the complex exercise group. CONCLUSION: These results indicate that the combined complex with abdominal drawing-in maneuver was efficient in enhancing abdominal muscles activation and pulmonary function of chronic stroke patients.

• Journal of the Korean Society of School Health
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• v.33 no.2
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• pp.89-96
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• 2020

Purpose: The aim of the research was to define the effects of lifestyle habits, smartphone addiction, and mental health on irritable bowel syndrome in college students Methods: The data was collected through convenience sampling of 185 college students. To draw conclusions from the data, we used statistical analysis of independent t-test, χ² test, Fisher's exact test, and multiple logistic regression using SPSS/WIN 24.0. Results: There were significant differences in gender, grade, major, mental health, and smartphone addiction according to the presence of irritable bowel syndrome. Variables identified as influencing factors were gender (OR=4.03, CI: 1.42~11.49) and mental health (OR=1.05, CI: 1.01~1.08). Conclusion: In order to alleviate and improve the symptoms of irritable bowel syndrome, it is necessary to assess and continuously manage mental health, such as stress, anxiety and depression of college students, which are the factors that could be intervened.

• Research in Community and Public Health Nursing
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• v.22 no.2
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• pp.131-140
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• 2011

Purpose: This study was to identify the correlation between leisure activities and smoking/drinking of middle school students. Methods: Data were collected through a questionnaire survey of 298 middle school students from the $2^{nd}$ to $30^{th}$ of September, 2009. Collected data were analyzed statistically using frequency, $x^2$ test, t-test, ANOVA, Duncan test, Pearson's correlation coefficient, and hierarchical multiple regression analysis using the SPSS/WIN 17.0 program. The study used the Adolescent Leisure Time Activities Scale (ALTAS) developed by Yin et al. (1999) for types of leisure activities and the Leisure Satisfaction Scale (LSS) developed by Beard & Ragheb (1980). Results: First, smoking/drinking caused significant differences in 'Socialization with friends', and drinking also caused significant differences in 'Sport activities'. Second, leisure satisfaction was positively correlated with 'currently drinking' (r=.126, p<.05). Third, significant factors influencing leisure satisfaction were grades, school life satisfaction, subjective health status, average daily leisure time, participation in leisure health program, and current drinking. These variables explained 23.4% of leisure satisfaction. Conclusion: School nurses should develop and run programs, which promote healthy ways for middle school students with wrong ways such as drinking to get leisure satisfaction. Also family, school and community should be cooperatively connected with one another.

• Journal of Korean Public Health Nursing
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• v.28 no.1
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• pp.32-45
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• 2014

Purpose: The purpose of this study was to test the effectiveness of an eight session integrated case management program for improvement of medication adherence, physical function, pain, and depression among medical aid beneficiaries with osteoarthritis. Method: A nonequivalent control group pre-posttest design was employed. Participants were 55 medical aid beneficiaries who agreed to participate in this study, and were assigned to an experimental group (n=28) or control group (n=27). The framework of this research derived from Cox's Interaction Model of Client Health Behavior guided the overall intervention and the components. The program led by a case manager with a medication calendar, motivating interviewing and coaching strategies and collaboration with a pharmacist. Analysis included change in scores, ${\chi}^2$-test, and t-test. Result: The results showed significant increase in medication adherence, physical function and decrease joint pain, joint stiffness and depression in the experimental group compared to the control group. Conclusion: The eight session integrated case management program indicated an effect on medication adherence, pain, physical function, and depression. Partnership with a pharmacist is recommended for medication adherence and conduct of further studies will be needed in order to determine the long-term effect of an extended integrated program on health outcomes.

• Transactions of the Korean Society of Pressure Vessels and Piping
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• v.12 no.2
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• pp.1-24
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• 2016

The original fracture criteria developed by Maxey/Kiefner for axial through-wall and surface-cracked pipes have worked well for many industries for a large variety of relatively low strength and toughness materials. However, newer line pipe steels have some unusual characteristics that differ from these older materials. One example is a test data that has demonstrated that X80 line-pipe with an axial through-wall-crack can fail at pressures about 30 percent lower than predicted with commonly used analysis methods for older steels. Thus, it is essential to review the currently available models and investigate the applicability of these models to newer high-strength line pipe materials. In this paper, the available models for predicting the failure behavior of axial-cracked pipes (through-wall-cracked and external surface-cracked pipes) were reviewed. Furthermore, the applicability of these models to high-strength steel pipes was investigated by analyzing limited full-scale pipe fracture initiation test results. Based on the analyzed results, the shortcomings of the available models were identified. For both through-wall and surface cracks, the major shortcomings were related to the characterization of the material toughness, which generally leads to non-conservative predictions in the J-T analyses. The findings in this paper may be limited to the test data that were consider for this study. The requisite characteristics of a potential model were also identified in the present paper.