This study purposed to analyze differences in body measurement between the 2D direct body measuring method and the 3D body scan measuring method and to perform the appearance evaluation and cross-sectional evaluation of the fit of pants to which body measurements obtained by each measuring method were applied. Body measuring was conducted in 10 women in their 20s-30s using 2D direct body measuring and 3D automatic measuring with Hamamatsu body scanner. Among the 10 women, 3 participated in experimental garment wearing. Experimental pants were made using their 2D direct body measurements and 3D automatic measurements, and wearing tests were performed through expert evaluation and cross-sectional evaluation. The results of the experiment were as follows. According to the results of comparative analysis on differences between 2D direct body measurements and 3D scan measurements, 3D automatic measurements were significantly larger in bust circumference, ankle circumference, armscye circumference, shoulder length, scye depth, and arm length. As circumferences measured with the 3D body scanner were somewhat larger than directly measured ones, it is suggested to adjust ease when using existing pattern making methods. We prepared experimental garments by the same pattern making method through applying body measurements obtained with the two measuring methods, and assessed the fit of the garment comparatively through expert evaluation and 3D scan cross-sectional evaluation. According to the results, 2D-pants using 2D direct body measurements was slightly tighter than 3D-pants using 3D measurements in waist circumference, hip circumference, and abdominal circumference. In the results of comparing appearance in terms of the fit of the experimental garment in each subject, significant difference was observed in most of the compared items. This result suggests that 3D automatic body measuring data may show different accuracy according to body shape and therefore it is necessary to examine difference between 2D direct body measurements and 3D automatic measurements according to body shape.
The purpose of this study was to examine the characteristics of suicide attempts and non-attempts of the elderly living alone and the subjects in this study were 690 elderly persons living alone in Seoul and Gyeonggi Province. For data analysis, this study used descriptive analysis, mean comparison correlation analysis, and binominal logistic regression analysis using PASW 20.0. To explain the suicide attempts of elderly persons who live alone, variables such as sex, age education level, monthly household income, religion, subjective economic status, subjective health status, ADL/IADL, depression, hopelessness, social support, and stress were used. The findings of the study were as follows: First, 9.2 percent(64) of the elderly living alone had attempted suicide and 90.8 percent(626) had never attempted suicide. Second, monthly household income, hopelessness, and social support were identified as the factors that affected their suicide attempts. In other words, the elderly living alone who had lower monthly household income, less social support, and greater feelings of hoprlessness had made more suicide attempts. As it is a cross-sectional research using data from non-probability sampling, this has a limitation in generality sampling, this has a limitation in generalizing the study results. To overcome this limitation, longitudinal research using data from probability sampling is necessary.
International Journal of Advanced Culture Technology
/
v.8
no.4
/
pp.129-136
/
2020
This study was a cross-sectional descriptive study that analyzed the effect of quality of life on marriage views in college students. The purpose of this study was to identify the relationship between quality of life and marriage view. The study targets were 195 male and female university students aged between 20 and 25. The data collection was done only by those who voluntarily agreed to the study using online questionnaires, and the data collection period was from October 1 to October 30, 2020. Data analysis was performed using SPSS 18.0 for frequency analysis, χ2 analysis, Pearson correction, t-test, and simple regression analysis. The result of the study that men had higher conservative marriage view (M=3.22, SD=.716) than women (M=2.21, SD=.903, p<0.01), women had higher active marriages (M=3.94, SD=.955) than men (M=3.41, SD=.933, p<0.01), and women had higher exclusive marriage views (M=3.94, SD=.955) than men (M=3.41, SD=.933, p<0.01). And people with high quality of life positively influenced romantic marriage view (R2=.029, p<0.05), but negatively affected passive marriage view (R2=.029, p<0.05) and conservative marriage view (R2=.034, p<0.05). Based on the results of this study, a program is needed to create a positive marriage view for the married age group, create an environment for married people to positively engage in social and economic activities, and propose a program for creating healthy family relationships.
KSCE Journal of Civil and Environmental Engineering Research
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v.8
no.3
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pp.61-71
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1988
The stage-discharge relation curve(rating curve) is the basic formula in hydrologic analysis. It plays an important role in converting to the discharge from available flood water level data including the daily mean stage. However, the river induces a cross section change at the gauging station because of the composed material of the river bed and three processes of the stream flow; i.e., erosion, transportation, and sedimentation. Rating curve has to be revised according to the temporal variation of the river bed due to the those factors. In this study, the basic rating curve is developed with respect to the current river bed to convert the existing rating curves and also to seize the hydraulic and geometric characteristics for the temporal variation of the river bed, relationships among the basic rating curve and the existing rating curves, water level, cross sectional area, and flow velocity are analyzed. Indogyo station, which is not only the key station of the Han river but also greatly changed the river bed after completion of the Han river development plan during the year 1983 to 1986, was chosen for the study. In this study, the river bed is assumed in a dynamic equilibrium condition. The basic rating curve is developed using hydrologic data of the physical year of 1987. For a given discharge, relationships for conversion of previous data, stage and velocity, the current one are formulated. To verify the usefulness of the relationships, stage-cross sectional area and stage velocity formula are also derived. Both hydrologic method using continuity equation and statistical method by the rating curve are compared and checked, then the validation of the both are positively shown.
This study aims to analyze the differences in performance according to various operation methods (direct management, public consignment, and private agency) of public sewage treatment facilities and derive the most efficient and high level of sewage treatment services to the public based on the research results. To this end, economic performance indicators (sewage treatment cost, sewerage rate) and social performance indicators (water quality, number of civil complaints) were selected, and cross-sectional analysis and longitudinal analysis were used to verify the difference between the averages of three or more groups through one-way ANOVA. As a result of the analysis, cross-sectional analysis, there was no difference in economic performance dimension according to the operating method, but in terms of social performance dimension, it was found that there was a difference according to the operating method. In the case of water quality indicators, the results were superior to those directly managed by public consignment and private agencies in the number of civil complaints. In the longitudinal analysis examining the improvement of performance indicators, there was no significant difference by operation method in most performance indicators. In order to improve the efficiency of public services and improve the service level, various approaches suitable for the characteristics of each service are required in addition to the logic of public consignment or introduction of private agency. In the future, when local governments promote public consignment or private agency, it is necessary to understand and promote the nature of the service, the specificity of each local government, and the needs of service users.
Purpose: This study was conducted to examine the factors associated with medical profit per bed related job satisfaction and patients satisfaction in public hospitals. Method: A cross-sectional survey was conducted through staff and patients in 39 hospitals (34 local province hospitals, and 5 red-cross hospitals) from September to October in 2011. A questionnaire was designed to collect information on job satisfaction, inpatients and outpatients satisfaction. The data of medical profit per bed was collected in 2011 annual financial reports from each 39 hospitals. Finally, data from 5,521 staff, 1,730 in-patients and 1,730 out-patients were analyzed. Multiple logistic regression analysis was performed to determine factors associated with medical profit per bed related job satisfaction and patients satisfaction in public hospitals. Results: The medical profit was positively correlated with job satisfaction of staff. As the results of multiple logistic regression, the significant variables of medical profit per bed, were communication satisfaction of staff(OR=0.48, 95% CI=0.25-0.91), hospital environment satisfaction of in-patients(OR=1.53, 95% CI=1.05-2.22). Conclusion: The satisfaction of patient and staff were significantly effect to medical profit in public hospitals. The Government and administrators have make an effort to improve satisfaction of staff and patients in public hospitals.
The Korean life insurance industry has undergone profound changes, such as the beginning of the variable insurance in July 2001 and the bancassurance enforcement in August 2003. However, little empirical research has analyzed data that includes the bancassurance of life insurance companies operating in Korea. In response to this lack of research, this paper applies DEA (data envelopment analysis) models to measure and decompose their efficiency. We discovered that life insurance companies operating in Korea are a little different in their composition ratio of inputs and outputs, due to the increased variety of distribution channels and new products. We provided efficiency scores, return to scale, and reference frequencies. We also decomposed CCR, BCC, and SBM efficiency into scale efficiency and MIX efficiency. So, we try to investigate whether the sources of inefficiency were caused by the inefficient operation of DMU, disadvantageous conditions, the difference of the composition ratio in inputs and outputs with reference sets, or any combination of the above. Most companies in the sample display had either constant or decreasing returns to scale. The efficiency rankings were less consistent among models and efficient DMUs. In response to this problem, we used the super-efficiency model to rank them and then compared the rankings of the DMUs among the various models. It was also concluded that the availability of panel data, rather than cross-sectional data, would greatly improve the validity of the efficiency estimates.
In this study, certain factors influencing cherry tomato were estimated using system equations. In addition, the amount of influence to income from each factor was estimated from both direct and indirect effects. Based on OLS(Ordinary Least Squares) estimation, path analysis and factor analysis were employed to overcome multicollinearity problems. Data used in this study is interviewed cross sectional data of 65 cherry tomato producing farm in Chungnam-do area. Average age of the producers is 46.5. Average year of the production is 8 years. Average farm size, productivity, and income are 1,123 pyong, 7,439kg/10a, 8,112,000won/10a, respectively. The business performance of the sample farms were above average, in terms of the diagnosis by "Standard Business Diagnosis for Cherry tomato". To identify the factors influencing productivity, 15, 19, and 25 independent variables were selected for the dependent variables of yield, price(quality), and business cost, respectively. Finally, yield, quality, and business cost variables were set as independent variables to explain income as dependent variable. As a result of main factor analysis, 10, 12, 15, and 16 factors were identified as main factors for yield, quality, business cost, and income, respectively.
Purpose: This study was conducted to identify the factors associated with intention to quit smoking in community-dwelling male adult smokers in Korea. Methods: This study was cross-sectional research that used data of 4,010 male smokers. Data from the 2013 Community Health Survey were analyzed through multiple logistic regression. Results: Of the male adult smokers, 65.64% reported that they had an intention to quit smoking. In the logistic regression analysis, age, amount of smoking per day, previous attempts to quit smoking, exposure to smoking-quitting campaigns, and toothbrushing after lunch were significantly associated with intention to quit smoking. Conclusion: These factors should be considered in developing policies and population-based smoking cessation programs to increase smoking cessation among Korean men.
Purpose: The purpose of this study was to examine gender differences in eating disorders and in several risk factors; body dissatisfaction, perfectionism, self-esteem, and depression. Method: The data were collected from 423 students in grades 5 or 6 (230 male and 193 female) in this cross-sectional study. For data analysis, descriptive statistics, t-test, Pearson correlation coefficient, and stepwise multiple regression were used with the SPSS/PC ver 12.0 program. Results: Girls experienced more symptoms of eating disorders, body dissatisfaction, and depression than boys. There were also gender differences in risk factors. For girls, depression, socially-prescribed perfectionism, and body dissatisfaction were related to eating disorder behaviors, whereas for boys, depression, self-oriented perfectionism, body dissatisfaction, and self-esteem were related to eating disorder behaviors. Conclusions: The results of the present study indicate that risk factors for eating disorders for boys and girls may be different, and these differences have implications for understanding the etiology of eating disorders and should be considered in planning possible nursing interventions.
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