• Child Health Nursing Research
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• v.26 no.3
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• pp.348-356
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• 2020

Purpose: This study aimed to identify correlations between the status of the umbilical cord and neonatal health status. Methods: In total, 172 newborns were enrolled who were admitted to the newborn nursery with a gestational age of 35 weeks or older and a body weight of 2 kg or above. Data were collected on the basic personal information of the newborns, the diameter and soft tissue status of the umbilical cord, and neonatal health status after birth. Analyses were performed using t-test, analysis of variance, χ² test, and Fisher exact test. Results: Umbilical cord diameter exhibited a statistically significant difference by sex (t=2.71, p=.007). A thin umbilical cord diameter was associated with a 1-minute Apgar score less than 8 points (t=2.47, p=.015) and with being transferred to the intensive care unit (t=2.45, p=.015). Poor soft tissue status of the umbilical cord was associated with a 1-minute Apgar score of less than 8 points (χ²=16.68, p<.001) and with oxygen being supplied (χ²=4.81, p=.028). Conclusion: Assessing the umbilical cord diameter and status in newborns is an important tool for evaluating neonatal health status after birth, and this point also underscores the importance of professionals' careful observations in the newborn nursery.

• Korean Journal of Adult Nursing
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• v.24 no.4
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• pp.348-357
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• 2012

Purpose: This retrospective chart review study was carried out in order to examine the frequency of delirium, and to identify the risk factors associated with the development of delirium in elderly patients with arthroplasty. Methods: Data were collected from medical records of patients who received arthroplasty during one and half year in a hospital. Three hundred sixty five patients were selected for the study. The onset of delirium was reviewed based on the result of psychological doctor's consultation or nurse's assessment with Confusion Assessment Method and delirium onset risk factors were examined. Data were analyzed with descriptive statistics, t-test, $x_2$-test, Fisher's exact test and logistic regression analysis. Results: Delirium occurred with 31 patients (8.5%) out of 365 patients who underwent arthroplasty. There were statistically significant differences between incidence of delirium and gender ($x_2$=6.11, p=.025), age ($x_2$=32.81, p<.001), hearing difficulty ($x_2$=8.08, p=.012), albumin level of preoperational day (t=-3.43, p<.001), albumin (t=-2.20, p=.028) and hemoglobin level (t=-2.83, p=.005) of operational day. Age and gender were the most significant predictive factors with regard to the incidence of delirium. Conclusion: Through understanding of these results, nurses will be able to identify those patients who may be at risk for developing delirium in early stages.

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.50 no.1
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• pp.83-88
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• 2014

A new shell divider was manufactured according to the principle of the lever in order to improve working efficiency in collecting the gonad of Sea Urchin, Anthocidaris crassispina, around the coast of jeju. It was composed of three parts of a pair of handles for grasping power, a fulcrum and a pair of knives for action with 21cm in length and 13cm in width. The operating efficiency of the shell divider was tested out in three place of Jeju coast. Statistical significances of differences of working time between test groups were calculated according to the t-test with the level of significance. In dividing the shell of sea urchin, the average of about 3 seconds of working time by the shell divider was less than that by a knife. At the result of t-test, the statistical significance in the working time existed between the divider group and the knife group. On the other hand, the working time among the divider operators showed no significant differences. It is concluded that the shell divider is more efficient than a knife in traditional operating.

• Journal of the Korean Society of Clothing and Textiles
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• v.31 no.2 s.161
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• pp.206-216
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• 2007

The purpose of this study was to investigate the differences in the cosmetic purchasing behavior influenced by make-up preference images, and the orders of importance in the cosmetic store selection. The questionnaires were given to female residents in the ages between $20{\sim}45$ in Seoul and Kyung-gi province. 322 questionnaires were used for data analysis. The collected data were analyzed by using SPSS 10.0 software with various techniques such as Frequency analysis, Factor analysis, Cronbach's ${\alpha}$ reliability analysis, Paired t-test, ANOVA test and Duncan test. The results of this study were as follows: 1. After investigating how the make-up preference image influences the selection of the off-line cosmetic store, it was found out that the personal service, shopping convenience, and product composition had significant differences. 2. After investigating how the make-up preference image influences the selection of the on-line cosmetic store, it was found out that only the product composition had significant difference. 3. After studying the factors that influence the off-line cosmetic store selection, it was found that the personal service was considered most important. After studying the factors that influence the on-line cosmetic store selection, it was found that the price was considered most important.

• Genomics & Informatics
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• v.14 no.4
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• pp.187-195
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• 2016

In genetic association studies with high-dimensional genomic data, multiple group testing procedures are often required in order to identify disease/trait-related genes or genetic regions, where multiple genetic sites or variants are located within the same gene or genetic region. However, statistical testing procedures based on an individual test suffer from multiple testing issues such as the control of family-wise error rate and dependent tests. Moreover, detecting only a few of genes associated with a phenotype outcome among tens of thousands of genes is of main interest in genetic association studies. In this reason regularization procedures, where a phenotype outcome regresses on all genomic markers and then regression coefficients are estimated based on a penalized likelihood, have been considered as a good alternative approach to analysis of high-dimensional genomic data. But, selection performance of regularization procedures has been rarely compared with that of statistical group testing procedures. In this article, we performed extensive simulation studies where commonly used group testing procedures such as principal component analysis, Hotelling's $T^2$ test, and permutation test are compared with group lasso (least absolute selection and shrinkage operator) in terms of true positive selection. Also, we applied all methods considered in simulation studies to identify genes associated with ovarian cancer from over 20,000 genetic sites generated from Illumina Infinium HumanMethylation27K Beadchip. We found a big discrepancy of selected genes between multiple group testing procedures and group lasso.

• Korea Journal of Hospital Management
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• v.3 no.1
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• pp.165-191
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• 1998

The objectives of this research are 1) to identify different motivation of choice for each National University hospitals 2) to examine the factors influencing the patients' satisfaction, 3) and to investigate that the patients' satisfaction effects the hospital re-choice and recommendation on seven National University's hospitals. The data for this analysis were collected by questionnaire survey. Totally 852 interviews were conducted. The major statistical methods used for the analysis are paired t-test, factor analysis, x2-test, and multiple regression. We find that satisfaction level is a function of not only the quality of medical service but also non-medical service. The main results of research are follows: 1) The most important factor of hospital choices is 'the trust and fame as National University hospitals'; 2) Overall satisfaction of inpatients is turned to be influenced by the doctor's services, nurse's services, environment, and convenience. And overall satisfaction of outpatients is also found to be influenced by the waiting time for lab test; 3) Highly satisfied patients preferred to revisit and to recommend to others.

• Journal of the Korean Society of Clothing and Textiles
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• v.37 no.8
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• pp.1075-1094
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• 2013

This study analyzed the lower body type of women aged 20 to 30 to understand their respective characteristics. The research method was restricted to the use of direct measurements data and 3D measurements data of the Sixth Size Korea. Factor analysis, cluster analysis, ANOVA, Duncan's test, discriminant analysis, t-test, and ${\chi}^2$-test were performed for the statistical analysis of the data using SPSS Win 20.0 program. The results of this study are as follows. Lower body type based on 3D measurements were classified into 3 types (obese lower body, long lower body, and small lower body). Lower body type based on direct measurements were classified into 3 types (obese lower body, thick and long lower body, and small lower body). Lower body type based on the direct measurement of sitting pose were classified into 3 types (obese lower body, long and thin lower body, and short lower body). The age differences in the lower body types could be analyzed by an evaluation of the 3D simulation of the lower body.

• Korea Journal of Hospital Management
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• v.26 no.1
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• pp.26-41
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• 2021

Purpose: This study is to identify the relationship among married nurses' social support, work-family conflict and work-family enrichment and to examine the influence of social support on work-family conflict and work-family enrichment. Methods: Data were collected from married nurses working at three hospitals with more than 100 beds in J Province and analyzed by descriptive statistics, t-test, ANOVA, Mann-Whitney U test, Kruskal-Wallis H test, Pearson's correlation analysis and hierarchical regression analysis using SPSS 21 program. Findings: In the correlation analysis only social support and work-family enrichment showed positive correlation. As a result of hierarchical multiple regression analysis, social support still acted as a significant influence factor on work-family conflict and work-family enrichment even in the state of considering the effect of control variables. Conclusion: In order to lower work-family conflict and to enhance work-family enrichment of married nurses, it is necessary to introduce and implement welfare policies for work-family reconciliation at the workplace level and at home level it is necessary to provide concrete measures so that married nurses can find the value of life as workers while house working and nurturing.

• Journal of Families and Better Life
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• v.4 no.1
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• pp.71-93
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• 1986

The purpose of this study is to identify sevral variables which were assumed to have relationships with the role conflict and marital satisfaction of married working women, and to examine the relationship of the role conflict and marital satisfaction of married working women in Korea. The data for this study was obtained from the survey of the 262 married working women who reside in the city of Seoul employing questionnaire method. Such methods as frequency, percentile, factor analysis, analysis of variance (t-test, F-test), and Pearson's correlation were used for the statistical analysis for this study. The major findings of this study can be summarized as follows; 1) The role conflict level of married working women was related to variables such as age, the number of children, work time, husband's support, job satisfaction, motivation to work outside the home. 2) The overall marital satisfaction was relatively high when they have two children and the presence of household work help. Futhermore, ut was found that marital satisfaction considerably high when husband's support and job satisfaction was highly accorded. 3) The role conflict and marital satisfaction of married working women were significantly negatively correlated.

• The Research Journal of the Costume Culture
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• v.8 no.6
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• pp.842-852
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• 2000

The purpose of this study was to classify consumer groups according to the life style dimensions and to analyze conspicuous consumption, clothing shopping motives among consumer groups, and also to clarify relationships between demographic variables and the life style, conspicuous consumption, clothing shopping motives. The subjects were 329 women in their twenties living in Seoul. For data analysis, mean, factor analysis, cluster analysis, t-test, ANOVA, Duncan test were conducted. The results were as follows ; First, consumer groups were classified into the following five subdivisions : passive group, appearance consideration/self-realization group, appearance indifference group, family oriented/economic group, achievement oriented/active group. Second, the significant differences among the classified life style groups were found in conspicuous consumption and clothing shopping motives. Third, there were significant differences in life style, conspicuous consumption, clothing shopping motives according to demographic variables like age, occupation.