• Journal of Families and Better Life
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• v.32 no.6
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• pp.31-45
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• 2014

The purpose of this study are to find out the gender and school level differences in adolescents' depression, and the influences of parent attachment and school stress on adolescents' depression and the effect of ego-resilience relations between parent attachment and depression, and that of school stress and depression. 402 of students(the first and the second graders of middle school and of high school in academic track in D area) completed questionnaire on parent attachment, school stress, ego-resilience, and depression. Descriptive statistic analyses, reliability analyses, Two-way ANOVAs, correlation analyses, and hierarchial multiple regression analyses were conducted through SPSS WIN 20.0. The findings are as follows. 1) There was school level difference, but not gender differences, on adolescents'depression. 2) There was ego-resilience control effect on the relations between parent attachment and adolescents' depression only for middle school students, but not for high school students. 3) There were ego-resilience control effect on the relations between school stress and adolescents' depression for both middle and high school students. The importance of ego-resilience and school levels in understanding adolescents' depression was discussed.

• The Korean Journal of Health Service Management
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• v.6 no.3
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• pp.183-195
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• 2012

The purpose of this study was to examine the level of stress, somatization, anger, adjustment to school according to the types of housing. This study employed a descriptive design. Data was collected from 552 students in a girls high school in gongju using structured instruments. Not to be influenced by the tension of new school year or the stress by taking tests, the researcher did the survey after students finishing midterm test of the first semester for two days from July 14 to 15. The results are as follows. There was no difference in the level of stress, anger, adjustment to school between the students living in a dormitory and the students not living in a dormitory. However there was remarkable difference in somatization. There was positive correlation between somatization and stress(r=.194, p=.011), between anger and stress(r=.463, p<.001), in contrast there was a negative correlation between adjustment to school and stress(r=-.174, p<.001) of students living in a dormitory. On the other hand, there was negative correlation stress(r=-.187, p<.001), somatization(r=-.252, p<.001), anger(r=-.230, p<.001) with adjustment to school of students not living in a dormitory. In the sub-factors of somatization, students who live in a dormitory have many kinds of somatizations of digestive or respiratory organs. A Health promotion program should be designed for girls high school students living in a dormitory, based on the level of somatization of digestive or respiratory organs.

• Korean Journal of Child Studies
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• v.36 no.2
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• pp.131-143
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• 2015

This study sought to investigate the influence of mother's marital conflict and avoidance coping strategies with marital conflict on school aged child-rearing stress, on the focus of interaction mother's marital conflict and avoidance coping strategies with marital conflict. The subjects comprised 234 mothers of school aged children in Daegu and Keoungbok. The collected data were analyzed by mean of t-test, Pearson Correlation, and Hierarchical regression using SPSS Win 19.0. The results were as follows. (1) Mother's marital conflict significantly influenced on school aged child-rearing stress. However mother's avoidance coping strategies with marital conflict on school aged child-rearing stress did not. (2) The interaction effects of mother's marital conflict and avoidance coping strategies with marital conflict on school aged child-rearing stress was observed.

• Korean Journal of Community Nutrition
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• v.22 no.6
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• pp.475-484
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• 2017

Objectives: The study was conducted to investigate the relationship between several stress measures in everyday life, emotional eating behavior, and dietary pattern (snacks, fatty foods, sweet beverages, fruits and vegetables) in school-aged children. Methods: One hundred and ninety-four students of an elementary school located in Seongnam City participated in the study. The students responded to the survey questionnaire by self-report, which consisted of items regarding general characteristics, height, weight, dietary habits, frequency of consuming healthy (fruits and vegetables) and unhealthy foods (snacks, fatty foods, and sweet beverages), emotional eating behavior, and daily stress. Correlational analysis was performed to examine the relationship between stress, emotional eating behavior, and dietary pattern, and Poisson and logistic regression analyses were conducted to investigate the effects of stress on dietary pattern. Results: Positive correlations were found between all stress factors and emotional eating behavior and between the friend and personal factor (one of the stress factors) and the consumption of sweet beverages. The frequency of consuming sweet beverages was 2.6 times higher in the high stress group than in the low stress group (95% CI). Conclusions: Children's daily stress was associated with emotional eating behavior and undesirable dietary pattern such as consumption of sweet beverages.

• Geomechanics and Engineering
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• v.21 no.3
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• pp.301-313
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• 2020

In the process of mining closely spaced coal seams, the problem of roadway arrangement in lower coal seams has long been a concern. By means of mechanical model calculation and numerical simulation postprocessing, the distribution of the stress deviator below the floor of a goaf and the evolution of the stress deviator in the vertical and horizontal directions are studied under the influence of horizontal stress. The results of this theoretical study and numerical simulation show that the stress deviator decreases exponentially with increasing depth from the floor below the coal side. With the increase in the horizontal stress coefficient λ, the stress deviator concentration area shifts. The stress deviator is concentrated within 10 m below the goaf and 15 m laterally from the coal side; thus, the magnitude of the surrounding rock stress deviator should be considered when planning the construction of a roadway in this area.

• Journal of the Korean Society of School Health
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• v.9 no.2
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• pp.185-195
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• 1996

This study attempts to discover ways to prevent and cope with stress m primary school students, Specific, ally, we wish to investigate the sources of stress and to identify the variance and frequency of coping methods which have been used by the subjects. After examining the school children's list of items about stress and coping strategies by on open structure method, subjects ranked the seventy of stressor's and frequency of a coping strategies by closed structure method. A survey was done of 720 students who were from the 4th to 6th grade in 4 primary schools in the Chonbuk area from April 1st to May 30th, 1995. The major results obtained from this study were the following. 1. The sources of stress bad were classified in 57 items Among the 57 items, 'were school records' 'illness of parents' 'death of family members' 'meetings with trouble makers' ranked high ranking in the stress ratings. 2. Severity of stress. the mean total stress scores were 186.4 with 285 as the highest score. 3. The kinds of coping with stress using were classified in 35 items, Among the 35 items, 'wandering and walking alone' 'mood getting out of the in any way' 'trying to forget the stressor' 'were among the highest scored. 4. Frequency of coping with stress: mean total stress coping scores were 67.9 with 140 as the highest score. 5. Difference m stress and coping strategies between sex, age, living district and religion groups were examined. 1) Significant variables influencing stress scoring were sex (t=-2,29, p<.001) and grade (F=6.33, p<.001). 2) Significant variables influencing stress coping practice were residence (t=1.94, p<.05), sex (t=-3.17, p<.002) and religion (F=5,95, p<.0001).

• Journal of the Korean Society of School Health
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• v.25 no.1
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• pp.85-94
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• 2012

Purpose: The purpose of this study was to investigate the stress, coping and suicidal ideation among school-aged children and provide evidence for developing a stress management program for them. Methods: Data were collected and analyzed from 308 fifth graders from 6 elementary schools located in Daegu/Gyeongbuk. Results: First, for stress by general characteristics, there were significant differences in economic status, school record, self-rated health and life satisfaction. Also, subcategory stress by gender, there was a significant difference in appearance stress. Second, passive/avoidant coping had a significant difference in gender. Social support seeking coping and passive/avoidant coping were significant differences in economic status. Active coping had a significant difference in school record. Passive/avoidant coping had a significant difference in self-rated health. Aggressive coping, active coping, social support seeking coping and passive/avoidant coping had significant differences in self-rated life satisfaction. Third, stress and coping had significant differences by suicidal ideation. Fourth, stress showed positive correlations with aggressive coping and passive/avoidant coping while revealing negative correlation with active coping. Conclusion: These results from the study suggest difference by gender and need more active and positive coping strategy for suicide prevention.

• Geomechanics and Engineering
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• v.22 no.2
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• pp.187-196
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• 2020

The changeable stress environment directly affect the propagation law of a stress wave. Stress wave propagation tests in sandstone with different axial stresses were carried using a modified split Hopkinson Pressure bar (SHPB) assuming the sandstone has a uniform pore distribution. Then the waveform and stress wave energy dissipation were analyzed. The results show that the stress wave exhibits the double peak phenomenon. With increasing axial stress, the intensity difference decreases exponentially and experiences first a dramatic decrease and then gentle development. The demarcation stress is σ/σ_c=30%, indicating that the closer to the incident end, the faster the intensity difference attenuates. Under the same axial stress, the intensity difference decreases linearly with propagation distance and its attenuation intensity factor displays a quadratic function with axial stress. With increasing propagation distance, the time difference decays linearly and its delay coefficient reflects the damage degree. The stress wave energy attenuates exponentially with propagation distance, and the relations between attenuation rate, attenuation coefficient and axial stress can be represented by the quadratic function.

• Journal of the Korean Society of Industry Convergence
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• v.10 no.3
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• pp.165-169
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• 2007

Prediction of fatigue duration is attainable from the analysis of the growth rate of the fatigue crack, and the property of the fatigue crack growth is determined by the calculation of the stress intensity factor. And the evaluation of the stress intensity factor, K comes from the stress analysis of the vicinity of crack tip of the continuum. This study describes a simple method to decide the stress intensity factor for the small crack at the sharp edge notches. The proposed method is based on the similarities between elastic stress fields of the notch tip described by two parameters, the stress concentration factor K, the radius of arc of the notch. And it is applicable to the analysis of the semi-elliptical penetration cracks and the edge notches.

• The Journal of Korean Physical Therapy
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• v.4 no.1
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• pp.69-78
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• 1992

The purpose of this survey is to grasp the special school therapeutic education teachers, stress degrees in the real educational fields, and to campare the different stress degrees by the teaching responsibilities, by set by age, by the careers of special teaching profession, by his or her assiduity by the academic careers and teacher qualification, and by the reasons of stress. To perform this survey, the writer analyzed the answer sheets of the questionnairs returned by 85 special school therapeutic education teachers all over the country. The results of the analysis are as follows: First, the mean value of stress by the whole teachers was shown as endurable, and there was no difference among stress towels by the teaching responsibilities. As for the ratio of teachers confronted with the dangerous level of stress. the teachers taking charge of feebleminded school teachers the highest ratio, and those charging of deaf & dumb school teachers, the lowest. Second, the comparison by age didn't result in any difference, but in the relation of age to the handicap division there appeared meaningful differences. That is in the case of the therapeutic education theachers charging of crippled school, it revealed that the older they were, the more stress they suffered. In the case of the teachers charging of visually deaf & dumb school the tendency was opposite. The comparison by the special teaching profession careers, there showed no difference in the stress degree. The high or low academic careers didn't make any influence on the therapeutic education teachers stress degree. Third, The revealed on the highest stress degress, because reasons of relation the student's parents with students behavior.