• Korean Journal of Health Education and Promotion
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• v.23 no.3
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• pp.17-35
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• 2006

Objectives: This study was conducted to investigate the determining factors that have influence on elementary students who go without breakfast and identified their physical, mental and social health that may resulted by skipping breakfast. Methods: For data collection, total 855 elementary students at the 5th and 6th grade in an urban and a rural area were asked to join the survey using a self-administered questionnaire from March 25 to April 9, 2005. The data were analyzed through a series of statistical methods including frequency, percentage, chi-square$(X^2)$ test, t-test and multiple logistic regression analysis. Results: It was found that 24.0 % of respondents would skip breakfast, and influential socioeconomic factors on their skipped breakfast were economic level and mother's occupation. A group that has meals more with family everyday and a group that has breakfast served by mother as usual showed significantly low percentage of going without breakfast at statistical level(p<0.05). In case that other family members used to go without breakfast, there was a tendency to significantly high rate of skipped breakfast(p<0.01). And a group who got up early in the morning and a group who scored high points in the assessment of dietary habit showed significantly low percentage of skipped breakfast(p<0.01). In the result of multiple logistic regression analysis, the significant variables in urban area were economic level, person setting up breakfast, getting-up time and family members who would skip a meal. In rural area, meal-skipping family member, person setting up breakfast and dietary habit were significant variables(p<0.05). In physical influences according to skipping breakfast, students would skip breakfast had more stomach or dizziness(p<0.05). Depression score were higher and school life score were lower in group skipping breakfast, but not statistically significant. Conclusions: In conclusion, in order to reduce the rate of elementary students who often go without breakfast, it is favorable that they should be instructed in the importance of breakfast and the harm of skipped meal, so that they can cultivate positive living habits and dietary attitudes as well. And it is necessary that this health education cover not only students but also all of their family members(especially mother). Furthermore, it is necessary to develop systematic programs for them to get over environment factors.

• Korean Journal of Community Nutrition
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• v.13 no.5
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• pp.682-692
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• 2008

The purpose of this study was to investigate the status of children's breakfast skipping and their mothers' needs for breakfast service at child care centers. A survey was conducted with mothers of children aged 3 to 5 years and attending child care centers in Gwanak-gu, Seoul. Out of 960 questionnaires distributed to the caregivers at 32 child care centers, 633 were returned (66% response rate), and 449 were analyzed (47% analysis rate) after excluding data from the respondents not meeting the selection criteria for this study: mothers of children aged 3 to 5 years. Over 2/3 (69%) of children ate breakfast every weekday (Breakfast Eaters) and almost 1/3 (31%) of children skipped breakfast one time or more often on weekdays (Breakfast Skippers). The collected data were compared between Breakfast Eaters and Breakfast Skippers. The average Good Dietary Practice Score of Breakfast Skippers was significantly lower than that of Breakfast Eaters, implying poorer dietary habits. A higher percentage of mothers of Breakfast Skippers (62%) responded that breakfast service was 'necessary' or 'very necessary' at child care centers than those of Breakfast Eaters (27%). A multiple logistic regression analysis was conducted to determine factors affecting mothers' needs for breakfast service at child care centers. The result showed that the children's ages, mothers' occupational status, household monthly income, frequencies of eating breakfast on weekdays and satisfaction level with morning snack provided at child care centers affected mothers' needs for breakfast service at child care centers. In particular, mothers who had a full-time job (OR = 2.06) than housewives, mothers whose children did not eat breakfast at al (OR = 3.54), ate $1{\sim}2$ times (OR = 5.50) or ate $3{\sim}4$ times (OR = 3.80) on weekdays than those whose children ate breakfast every weekday were more likely to have needs for breakfast service at child care centers than housewives. In conclusion, Breakfast Skippers tended to have poorer dietary habits than Breakfast Eaters and Full-time working mothers had higher needs for breakfast service at child care centers. This study results suggest that child care centers consider serving breakfast to children as the number of working mothers increases.

• Journal of Preventive Medicine and Public Health
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• v.36 no.3
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• pp.248-254
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• 2003

Objective : This study was conducted in order to investigate predictors of smoking cessation in outpatients. Method : Subjects were 40f adult smoking patients who saw their doctors in the outpatient setting at a university hospital, regardless of their willingness of otherwise in smoking cessation. Physicians delivered a brief, stop smoking prompt to all patients who smoked one or more cigarettes a day. Then they referred to on-site counselors who provided a brief, nurse assisted intervention with a survey to a randomly assigned intervention group (200 smoking patients), whom the counselors telephoned later to prevent relapse or promote the motivation to quit, or gave only a survey to a control group (201 smoking patients). After at least 5 months, self-reported current smoking cessation was confirmed later using cut-off values of 7 ppm or less in expired alveolar air after breath holding portable CO analyzer. Results : After 5 months, subjects in the intervention group were 1.56 times (95% C.I. 0.89-2.73) more likely to quit smoking than those in the non-intervention group (14.0% vs. 9.0%). Willingness to quit smoking in a month, scheduled admission in a month, self efficacy score and FTND (Fagerstrom Test for Nicotine Dependence) score were all significantly related with smoking cessation. In stepwise multiple logistic regression, previous attempts to quit smoking were significant instead of self efficacy score. In the intervention group who had willingness to quit smoking in a month (132 smoking patients), FTND score, whether quit date was today, and whether quit promise paper was submitting were all significantly related with smoking cessation. In stepwise multiple logistic regression, scheduled admission in a month and whether quit date was today were significant predictor variables, Smoking cessation treatment should be tailored to individual smoking patients considering these predictors.

• Journal of Korean society of Dental Hygiene
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• v.1 no.1
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• pp.63-76
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• 2001

This study was designed to evaluate the effects of music on dental pain and anxiety during ultrasonic scaling. One hundred and twenty five patients visited dental unit of Soonchunhyang University Chunan hospital for scaling were enrolled during August 1999 and February 2000. The patients were allocated randomly into two groups. music (n = 61) and control groups (n = 65). The music group patients listened to self-selected music using an earphone during scaling. Standardized questionnaire were used to assess the subjective denial pain and anxiety before and after scaling in both groups. In music group, more information on music effect was collected. To evaluate changes of physical signs by scaling, blood pressure and pulse were checked by a wrist check oscillometric. The results were as follows: 1. No significant difference in dental pain and anxiety between before and after scaling was observed in music group. However, the music group patients were satisfied with music because of reduction of pain(93.5%) and anxiety(93.4%), 96.7% of music subjects wanted to listen to music in next scaling. 2. While no significant difference in systolic blood pressure before scaling between music and control groups, systolic blood pressure of control group during scaling was significantly higher than that of music group(P<0.05). 3. In multiple logistic regression. the odds ratio(OR) of pain was decreased with age and female patients had higher OR (1.7, p>0.05). Patients with previous scaling experience complained of more dental pain during scaling than patients without experience. Music was not a significant predictor of denial pain during scaling, controlling for possible confounders. 4. While age. music. and scaling experience were not related to dental anxiety during scaling, sex and dental hygiene index were significant predictors of dental anxiety in multiple logistic regression. 5. Both during and after scaling. mean blood pressure of music patients were significantly lower than control patients after controlling for age, sex, and BMI. In conclusion, our data demonstrated that although listening to music did not disappear the dental pain and anxiety. but reduced the intensity of pain and anxiety during scaling. Furthermore, our data imply thai music has a effect of reduction of increasing blood pressure by scaling.

• The Korean Journal of Pain
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• v.29 no.3
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• pp.172-178
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• 2016

Background: This study was designed to assess serum vitamin D status (25-OHD) in the fibromyalgia (FM) patients and to compare it with a healthy control group. It also aimed to investigate the correlation of serum vitamin D level with FM symptom severity and invalidation experiences. Methods: A total of 74 consecutive patients with FM and 68 healthy control participants were enrolled. The eligible FM patients completed the Illness Invalidation Inventory (3*I), the Revised Fibromyalgia Impact Questionnaire (FIQR) and a short-form health survey (SF-12). Venous blood samples were drawn from all participants to evaluate serum 25-OHD levels. Mann-Whitney tests and multiple logistic regression analyses were performed and Spearman's correlations were calculated. Results: 88.4% of FM patients had low levels of serum 25-OHD. FM patients had significantly higher level of serum 25-OHD than the control group ($17.24{\pm}13.50$ and $9.91{\pm}6.47$ respectively, P = 0.0001). There were no significant correlations between serum 25-OHD levels and the clinical measures of disease impact, invalidation dimensions, and health status. Multiple logistic regression analyses revealed that an increased discounting of the disease by the patient's spouse was associated with a 4-fold increased risk for vitamin D deficiency (OR = 4.36; 95% CI, 0.95-19.87, P = 0.05). Conclusions: This study showed that although high rates of vitamin D insufficiency or deficiency were seen among FM patients and healthy non-FM participants, but it seems there was no intrinsic association between FM and vitamin D deficiency. Addressing of invalidation experience especially by the patient's spouse is important in management of FM.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.8
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• pp.167-175
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• 2018

The purpose of this study was to investigate the status and the factors associated with death preparation of in Community-Dwelling Elderlys. This study was secondary analysis using with 2014 National Survey on the Elderly in Korea. The number of respondents were 10,281. Data were analyzed with the x2 test, t-test and multiple logistic regression using the SPSS/WIN 23.0 program. 37.7% of respondents had done death preparation. The factors associated with death preparation were sex(CI=1.02-1.25), age(CI=1.90-2.28), living area(CI=1.21-1.45), education level(CI=1.16-1.42), spouse status(CI=1.50-3.22), economic level(CI=1.13-1.36), limit of activity(CI=1.11-1.40), life satisfaction(economic satisfaction(CI=1.17-1.35), children relationship satisfaction(CI=1.25-1.43), friends and neighborhood relationship satisfaction(CI=1.10-1.28)). Based on these results, it is necessary to develop programs for reinforcing elder's psychological death preparation for elders in community organization. To consider elder's characteristics like gender and living area.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.5
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• pp.303-311
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• 2018

The aim of this study was to investigate vitamin D status and factors associated with vitamin D deficiency among Koreans in their using Korean National Health and Nutrition Examination Survey (KNHANES) V. The subjects were 1,837 people who were 20-29 years old. The data were analyzed by ${\chi}^2$ test and multiple logistic regression analysis using weighted composite sample analysis. Vitamin D deficiency was reveled in 84.2% of subjects; 88.6% of women and 79.4% of men showed deficiency. In the multiple logistic regression analysis, the risk for vitamin D deficiency was higher in women (OR 1.84; 95% CI 1.31-2.56), non-married (OR 2.12; 95% CI 1.41-3.19), poor subjective health status (OR 1.94; 95% CI 1.16-3.25), and in the absence of moderate to vigorous physical activity (OR 3.38; 95% CI 1.85-6.16). Continued research on vitamin D levels at this time is needed since vitamin D deficiency among Koreans in their twenties will exacerbate health problems, both individually and socially. In addition, vitamin D has been shown to be closely related to time of exposure to sunlight and physical activity. Therefore, it is thought that long-term and planned efforts should be made at the national level, such as establishing schools and workplaces in which those in their twenties can perform outdoor activities and moderate to vigorous physical activity.

• Journal of Navigation and Port Research
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• v.29 no.6 s.102
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• pp.501-508
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• 2005

The purpose of this paper is to present the alternatives for improving coostal shipping logistics system to be a logistic hub-nation with a competitive edge. For this purpose, major environmental factors in Northeast Asia and accordingly its effects are analyzed And then the effects of coastal shipping system's development strategy is analysed using Structural Equation Model and Multiple Regression Model. Research results show that three types of coastal shipping development strategy( connected transportation system, structure of coastal shipping system, governmental support policy) will contribute much to being a logistics hub-nation. From the results, some implications are derived as follows. Firstly, environmental-friendly balanced ocean-coastal transport system is required Secondly, a excusive feeder port, Ro-Ro ship & high-speed ship are necessary to establish the one-stop logistics service system Finally, governmental support policy and subsidy(tax-exempted oil & various tax benefits) are required to reactivate lagged coastal shipping system to be a logistic hub-nation with a competitive edge.

• The Journal of Korean Medicine
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• v.27 no.3 s.67
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• pp.241-250
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• 2006

Backgrounds: Blood stasis is hon as an important pathologic factor for vascular disorder in Oriental medicine. Despite its clinical importance there have been few objective tests for diagnosing blood stasis. Objectives: This study was designed to examine the relationship between blood stasis and arterial stiffness measured by cardio-ankle vascular index (CAVI). Methods: The subjects were 104 ischemic stroke patients with onset after 14 days. Their general characteristics, lipid profiles and uric acid were recorded. The degree of arterial stiffness was assessed by CAVI, and blood stasis was evaluated by diagnostic criteria. The data were analyze4 by chi-square test, student t-test, spearman correlation analysis, and pearson correlation analysis. Then, stepwise multiple logistic regression analysis was applied in order to exclude the interactions among several factors. Results: There were significant differences in right, left and higher CAVI between the blood stasis group and the non blood stasis group (p-value<0.01). Age, systolic blood pressure, triglyceride and CAVI had relationships with blood static scores. In multiple logistic regression analysis, the adjusted odds ratio of blood stasis for arterial stiffness with CAVI above 9 were 7.091 (95% confidence interval, $1.641\sim30.638$). Conclusions: The results demonstrated the relationship between blood stasis and arterial stiffness measured by CAVI. Therefore, we suggest that CAVI should be one of the objective tests for diagnosing blood stasis.

• Journal of Preventive Medicine and Public Health
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• v.31 no.2 s.61
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• pp.249-264
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• 1998

Reports on a potential relationship between sensory neural hearing loss(SNHL) and cardiovascular or hematologic factor show that the results are controversial. A detailed analysis of risk factors in the development of SNHL was carried out in 3,050 non-noise exposed healthy worker. The mean hearing threshold of both ears at 500, 1000, 2000, 4000, 8000Hz was measured and the effect of age, possible cardiovascular risk factor and hematologic factor (blood viscosity and hemostatic factors) on SNHL were evaluated. first, each of these were associated with loss of hearing sensitivity when univariately and multivariatively analysed. In a multiple regression model, age, sex, body mass index, WBC and total cholesterol level were independently associated with the mean of hearing sensitivity decrease at 4000 and 8000Hz. Second, study subjects were divided into two group (normal vs SNHL) and we compare the possible risk between both groups, and analysed univariate and multivariative logistic model. In a multiple logistic regression model, age, sex, body mass index, WBC and total cholesterol level, total protein, platelet were independently associated with SNHL. Our results show that we have some reliable indices of susceptibility to SNHL using cardiovascular measures or biochemical factor, but future, more extensive studies are required.