• Journal of Korean Academy of Fundamentals of Nursing
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• v.22 no.4
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• pp.433-441
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• 2015

Purposes: This study was done to identify factors associated with uncontrolled hemoglobin A1c among patient with diabetes mellitus. Method: The sample was 412 Koreans with diagnosed diabetes aged 40 years or older who participated in the Fifth Korea Health and Nutrition Examination survey, which was a nationwide, cross-sectional survey. Data was analyzed using logistic regression. Uncontrolled hemoglobin A1c rate was 55%. Results: There was a difference between controlled and uncontrolled group in hemoglobin A1c as follows: duration of diabetes, BMI(Body Mass Index), hypertriglyceridemia, vitamin D, sleep duration. After adjusting for confounding factor, longer duration of diabetes (>7 years vs. ${\leq}7$)(Adjusted OR=2.277, 95% CI [1.277-4.060]), presence of hypertriglyceridemia (Adjusted OR=4.019, 95% CI [1.871-8.634]), lower vitamin D level (<20ng/mL vs. ${\geq}20$)(Adjusted OR=2.487, 95% CI[1.411-4.381]), longer sleep duration (6-8 hours vs >8 hours)(Adjusted OR=6.831, 95% CI [1.877-24.855]) were significantly associated with increased odds of uncontrolled hemoglobin A1c. Conclusions: Results show that duration of diabetes, hypertriglyceridemia, vitamin D and sleep duration are significantly related to hemoglobin A1c. Therefore, considering these factors it would be helpful to develop strategies to improve blood glucose control in patients with diabetes.

• Journal of Distribution Science
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• v.17 no.10
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• pp.107-114
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• 2019

Purpose - This is longitudinal research which aims to investigate the meaning of greenness to consumers' behavior. Consumers adopt green marketing as a new factor in product buying and consumption and more and more consumers prefer green product and services. Consumers' green buying behavior can be different from other purchasing experiences. There would be changes in the meaning of green as time passed and it can be different from countries to other countries. This study examines focus group studies with several groups. There is a ten-year gap between 2010 focus group and 2019 focus group interviews. With this ten-year gap, we can find the change of greenness to consumers. Research design, data, and methodology - The data were collected from Turkish, Korean, Kazakhstan people. This is a cross-sectional study and focus group interview was designed. We can gain information relevant to the research problem with using focus group study and get some insights into basic needs and attitudes of green marketing. The subjects for green purchase interviewee were confined to under 40 years old's shoppers regardless of gender. The first study was investigated with several groups in 2010 and the second interview were conducted in 2019. Results - Results show that the meaning of greenness for consumer has changed over time in accordance with the growing accordance of environmental sustainability. Basically, green marketing still means valuable, natural, recycle-able, good for health, clean, smart behavior, essential benefit. The concept of greenness significantly evolved since it was investigated in 2010. It moves away from focusing on specific environmental issues to considering global sustainability issues. Especially we found that greenness can be related with globalization, higher education, social status at the 2019 interview. Conclusions - This paper attempted to confirm the green marketing is essential and expands its meaning to various aspect. Usually, we can think green marketing is everywhere, therefore, people don't care about green issues in real. But consumers are adopting green marketing more and more, it can be a means to attract potential consumers. Therefore, companies should provide enough greenness information for people and they might apply greenness communication to attract potential customers.

• Journal of Home Health Care Nursing
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• v.27 no.1
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• pp.42-52
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• 2020

Purpose: This study aimed to find grounds for the development of a health promotion program by examining the risk factors affecting children in low-income families. Methods: This was a cross-sectional study. The subjects were 288 children under 13 years of age in We-Start, W city. The tools used included a household information questionnaire and risk assessment tools. The data were analyzed using t-test, ANOVA, and multiple regressions. Results: Risk factors like disability problems (β=.38, p<.001), residential environment (β=.37, p<.001), parenting type (β=.27, p=.003), the foster's educational level (β=.22, p=.011), and the gender of the child (β=.19, p=.030) explained 51% (p<.001) of the preschoolers in crisis. For the schooler, academic achievement (β=.39, p<.001), disability problems (β=.24, p<.001), adaptation to school (β=.23, p<.001), noise from the environment (β=.20, p<.001), and the foster's job (β=-.15, p=.007) explained 50% (p<.001) of crisis of schooler. Conclusion: The study found that children (disability, gender), family (residential environment, type of parenting), and caregivers (educational level, economic competence) had a complex impact on crisis situations. In children of a school-going age, school life appeared to be an important influencing factor. Therefore, an integrated case management approach that considers children, carers, and the home environment is necessary.

• Korean Journal of Occupational Health Nursing
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• v.25 no.1
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• pp.19-28
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• 2016

Purpose: This study was a descriptive research to identify the effects of communication skills, compassion satisfaction, compassion fatigue on burnout among staff of long term care insurance for the elderly in National Health Insurance Services in Korea. Methods: A descriptive cross-sectional design was used. The participants were 191 staffs of long-term care insurance in National Health Insurance Services. Data were collected via mail from the 24 branch offices which were randomly selected among the total of 226 centers of National Health Insurance Corporation. Stamm's professional quality of life (ProQOL) and Communication Skills Test tool were included in questionnaire to detect. SPSS/WIN 20.0 was used to conduct the descriptive statistics, t-test, ANOVA, correlation analysis, and multiple regression. Results: Compassion fatigue had a significant positive effect on burnout, while Compassion satisfaction had a negative effect on burnout. The explained variance for burnout was 69% and compassion fatigue was the most significant factor in burnout among staff of long term care insurance services. Conclusion: The results indicate that the factors influencing staffs' burnout are compassion fatigue, compassion satisfaction, and education level. Therefore, strategies to decrease compassion fatigue and improve compassion satisfaction are needed to decrease burnout for staffs of long-term care insurance in National Health Insurance Services.

• Journal of Korean Academy of Nursing
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• v.30 no.4
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• pp.857-868
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• 2000

The purpose of the present study is to identify the mediation effect of hope between fatigue and psychosocial adjustment in women with breast cancer. The framework for this study was guided by concepts and propositions derived from the theoretical and empirical literature on fatigue, hope and adjustment. The design of this study is a descriptive correlation study using a cross-sectional design. One hundred and twenty two outpatients with early breast cancer, receiving post-surgical radiation therapy or chemotherapy, were selected from three major medical centers in Seoul, Korea. A packet including PABCF (Psychosoical Adjustment to Breast Cancer Factor), revised RPFS (Revised Piper Fatigue Scale), HHI (Herth Hope Index), and self-addressed return envelope was given to the participants at seven to eight weeks post surgery. The questionnaires were to be completed at home and returned to the researcher by mail. The obtained data were analyzed using three regression equations guided by Baron and Kenny (1986); first, hope was regressed on fatigue; second, psychosocial adjustment was regressed on fatigue; and third, psychosocial adjustment was regressed on fatigue and hope, simultaneously. In the first equation, fatigue explained 4% of the variance in hope. In the second equation, fatigue explained 47% of the variance in psychosocial adjustment. In the last equation, hope and fatigue significantly explained the variance in psychosocial adjustment. Therefore, all conditions for the test of mediation effect of hope were satisfied. For the test of the mediation effect, the beta coefficients of fatigue on psychosocial adjustment on the second and third regression equations were compared. The beta coefficients were decreased from .69 (p < .001) on the second regression equation to .63 (p < .001) on the third regression equation. Thus, the hypothesis of this study was supported. As a result of this study, the negative Influence of fatigue on psychosocial adjustment is dampened through the mediator effect of hope in women with breast cancer. Therefore, when planning care for the adverse effect of fatigue on psychosocial adjustment, oncology nurses should consider hope as a mediator between fatigue and psychosocial adjustment to breast cancer.

• The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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• v.21 no.2
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• pp.142-153
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• 2008

Objective : Etiologically, stress is a important factor to immune system and skin disease. Human body is controled to keep his homeostasis from stress by autonomic nerve system. So we investigated autonomic nerve balance and stress level of patients with skin disease by heart rate variability(HRV) test. Research Methods and Procedures : Fifty two patient(from 15 years old to 35 years old) who visited Dept. of Oriental medical Dermatology, Kyunghee university at first and had an examination by HRV test, were selected as the subject of our study. We checked items of HRV test(such as SDNN, RMSSD, VLF, LF, HF, TP, norm-LF, norm-HF, LF/HF ratio, LnHF and LnHF), and analyzed time and frequency domain by sex, age, onset, color on end of patient's tongue, sweating and sleep condition. Results and Conclusion : Men showed significant higher SDNN, RMSSD, LF, norm-LF, norm-HF, LF/HF ratio, LnLF and LnHF than women(p <0.05). Patients who were attacked by skin disease within 6 months, showed significant higher TP and VLF than over 6 months(p <0.05). Patients with normal color on the end of their tongue showed significant higher TP and VLF than with flare color. We analyzed correlation to color on the end of tongue and RMSSD. Prevalence risk(RMSSD <20ms) in the case of normal color on the end of tongue was 5 times as high as in the case of flare color(p <0.1). And we analyzed correlation to age and LF/HF ratio. Prevalence risk(LF/HF ratio <1) of patients from 15 years old to 25 years old was 1.467 times as high as from 26 years old to 35 years old(p <0.1).

• Journal of Preventive Medicine and Public Health
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• v.38 no.3
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• pp.366-372
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• 2005

Objectives : This study was conducted to assess the distribution of cardiovascular risk factors (serum lipid profiles, BMI, blood pressure, fasting blood sugar) and evaluate the risk profile of CVD by the clustering of the cardiovascular risk factors in school-aged children in the Kyoung-Gi area. Methods : The study sample consists of 208 11 year-old children (51.4% boys, 48.6% girls) who participated in a cross-sectional screening of cardiovascular risk factors. We surveyed their socio-demographic characteristics, measured the anthropometric variables and analyzed the biochemical markers. Results : Of the cardiovascular risk factors, the percentage risk of the BMI, dyslipidememia and hypertension were highest. The prevalence rates of total cholesterol and LDL-cholesterol in girls was higher than in boys. Also, the associations of the BMI, total cholesterol, LDL-cholesterol, HDL-cholesterol, triglycerides, systolic and diastolic blood pressures were highly significant. In addition, the proportion of subjects with 1, 2, 3 and 4 or more risk factors were 29.3, 12.5, 2.9 and 1.9%, respectively; therefore, a total of 97 subjects (46.6%) had at least one more risk factor. Conclusions : From these findings, we concluded that the rates of hypercholesterolemia, cardiovascular risk groups and obesity prevalence of these groups were relatively high. These data provide further evidence that the early intervention for cardiovascular health prevention and promotion in school-aged children is necessary at the population level.

• Journal of Korean Academy of Nursing
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• v.39 no.5
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• pp.683-692
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• 2009

Purpose: The purpose of this study was to identify cancer-related symptom clusters and to validate the conceptual meanings of the revealed symptom clusters in patients with hepatocellular carcinoma. Methods: This study was a cross-sectional survey and methodological study. Patients with hepatocellular carcinoma (N=194) were recruited from a medical center in Seoul. The 20-item Symptom Checklist was used to assess patients' symptom severity. Selected symptoms were factored using principal-axis factoring with varimax rotation. To validate the revealed symptom clusters, the statistical differences were analyzed by status of patients' performance status, Child-Pugh classification, and mood state among symptom clusters. Results: Fatigue was the most prevalent symptom (97.4%), followed by lack of energy and stomach discomfort. Patients' symptom severity ratings fit a four-factor solution that explained 61.04% of the variance. These four factors were named pain-appetite cluster, fatigue cluster, itching-constipation cluster, and gastrointestinal cluster. The revealed symptom clusters were significantly different for patient performance status (ECOG-PSR), Child-Pugh class, anxiety, and depression. Conclusion: Knowing these symptom clusters may help nurses to understand reasonable mechanisms for the aggregation of symptoms. Efficient symptom management of disease-related and treatment-related symptoms is critical in promoting physical and emotional status in patients with hepatocellular carcinoma.

• Journal of Korean Academy of Nursing
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• v.39 no.3
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• pp.349-356
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• 2009

Purpose: The purpose of this study was to identify the influence of the type-D personality on quality of life and illness intrusiveness. Methods: This study was a cross-sectional study. Data were collected using self-reported questionnaire from 200 patients with coronary artery disease(CAD). Variables were measured with the Type-D Scale-14(DS14), Korean Health Related Quality of Life Scale(KoQoLS), and the Illness Intrusiveness Rating Scale(ILRS). Results: Of the patients, 38% were classified as type-D personality. Among the 10 subcategories of quality of life, the highest mean score was bodily pain($5.84{\pm}2.85$) and the lowest was role limitation($1.52{\pm}1.20$). Among 13 item of illness intrusiveness, the highest mean score was health($3.78{\pm}1.73$) and the lowest was family relationships($2.14{\pm}1.58$). There were significant differences in all the subcategories of quality of life between type-D and non type-D except for subcategories of bodily pain and role limitation. However, there were no significant differences in illness intrusiveness between type-D and non type-D. Conclusion: Type-D is an important factor in quality of life in patients with CAD, but no correlations between type-D and illness intrusiveness were found. These results can be used as basic data for developing cardiac rehabilitation programs to improve quality of life in type-D patients.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.4 no.1
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• pp.93-101
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• 1984

New formulas to determine the critical elastic buckling load of long tapered columns are given. This study is restricted to solid round or rectangular columns with fixed-free ends as often used in highway design. The exact solution of the differential equation of the deflection curve is expressed in terms of Bessel Function and the solution is numerically evaluated using Bisection method by computer. In the F.E.M analysis of columns under their own weight, the stability problem can be resulted in a eigen value problem of conservative system. Approximate solution by the F.E.M is evaluted numerically using Jacobi method and compared with exact solution of the prismatic column to increase the precision. In addition, critical buckling load of the tapered column for every shape factor and ratio of cross-sectional change (Diameter of bottom end/Diameter of upper end) was converted into a comparable expression to critical buckling load of the prismatic column.