• Journal of Korean Clinical Nursing Research
• /
• v.29 no.2
• /
• pp.163-174
• /
• 2023

Purpose: To identify the effect of a new leadership type by confirming the effect of clinical nurses' grit and nursing work environment on nursing performance and retention intention with the mediating effect of compassionate rationalism leadership in the process. Methods: A proportional stratified sampling method was used with 45 tertiary general hospitals nationwide as the sampling unit. An online survey targeting nurses who have been working continuously for more than one year was conducted from October 14 to November 9, 2022. The final analysis included 1,256 questionnaires. The correlation between the participants' variables was analyzed using Pearson's correlation coefficients. The mediating effect was confirmed using a regression analysis, and bootstrapping. Results: The compassionate rationalism leadership had a mediating effect on the relationship between grit and nursing performance (F=203.21, p<.001), nursing work environment and nursing performance (F=109.48, p<.001), grit and retention intention (F=149.90, p<.001), and nursing work environment and retention intention (F=25.14, p<.001). Conclusion: The compassionate rationalism leadership of nursing managers had a positive effect on nursing performance and retention intention. Therefore, with the development and application of educational programs of compassionate rationalism leadership, it can be used to improve nursing performance and operate an efficient nursing organization.

• Journal of muscle and joint health
• /
• v.23 no.3
• /
• pp.179-186
• /
• 2016

Purpose: The purpose of this study was to identify factors that influence dietary compliance in patients with liver cirrhosis. Methods: This study used a cross-sectional design and was conducted with a survey of 141 patients in liver cirrhosis who were treated at D-university hospital in Busan. For data analysis, descriptive statistics, Pearson's correlation coefficients, and a multiple regression were performed using SPSS/WIN 20.0 Program for windows. Results: The mean score was 3.47 in dietary compliance. Dietary compliance had a positive correlation with self-efficacy, perceived-benefit medical staff support, age, drink or not but had a negative correlation with perceived barrier. As a result of multiple regression analysis, self-efficacy and perceived-benefits explained 30.1% (F=7.69, p<.001) of the variance of dietary compliance. Conclusion: Dietary compliance was suggested to consider self-efficacy and perceived-benefits when developing a nutritional education programs for patients with liver cirrhosis.

• Asian Oncology Nursing
• /
• v.7 no.2
• /
• pp.169-178
• /
• 2007

Purpose: This study was to identify the relationship between depression and spiritual health in patients suffering from female cancer. Methods: The study utilized a cross-sectional descriptive study design. Data was collected by questionnaires from 106 female patients who were diagnosed with cancer of female organs at three university hospitals and one general hospital. The instruments used in this study included, "the Depression Scale" developed by Zung(1965) and "Spirituality Health Inventory" developed by Highfield(1992) and amended by Kim. The collected data were analyzed using frequency, percentage, t-test, ANOVA, and Pearson's correlation coefficients. Results: There was significantly negative correlation between spiritual health and depression in female cancer patients (r= -.65, p< .0001). There were significant differences in spiritual health according to the monthly income (F=4.30, p= .016), the degree of pain (F=2.85, p= .041), the degree of fatigue (F=3.42, p= .020), the frequency of attendance at worship services (F=3.26, p= .014), the effect of religion on personal life (F=9.41, p= .000). There were significant differences in depression, according to the residence type (F= .75, p= .012), the cancer insurance (t=7.86, p= .006), the degree of pain (F=2.78, p= .045). Conclusions: There is a necessity to develop strategies to improve the spiritual health and to reduce depression in female cancer patients. The significant several characteristics related to depression and spiritual health should be considered in psychsocial nursing intervention of female cancer patients.

• Journal of Korea Society of Digital Industry and Information Management
• /
• v.14 no.2
• /
• pp.49-59
• /
• 2018

Encryption of digital images has been requested various fields. In the meantime, many algorithms based on a text - based encryption algorithm have been proposed. In this paper, we propose a method of encryption in wavelet transform domain to utilize the characteristics of digital image. In particular, wavelet transform is used to reduce the association between the encrypted image and the original image. Wavelet packet transformations can be decomposed into more subband images than wavelet transform, and various position permutation, numerical transformation, and visual transformation are performed on the coefficients of this subband image. As a result, this paper proposes a method that satisfies the characteristics of high encryption strength than the conventional wavelet transform and reversibility. This method also satisfies the lossless symmetric key encryption and decryption algorithm. The performance of the proposed method is confirmed by visual and quantitative. Experimental results show that the visually encrypted image is seen as a completely different signal from the original image. We also confirmed that the proposed method shows lower values of cross correlation than conventional wavelet transform. And PSNR has a sufficiently high value in terms of decoding performance of the proposed method. In this paper, we also proposed that the degree of correlation of the encrypted image can be controlled by adjusting the number of wavelet transform steps according to the characteristics of the image.

• Women's Health Nursing
• /
• v.25 no.2
• /
• pp.143-153
• /
• 2019

Purpose: We aimed to examine the correlations between pregnancy experience and attitude regarding weight change during pregnancy. Methods: This correlative study was conducted from July 2017 to October 2017 by involving 156 primigravida women who were over pregnancy 20 weeks in Seoul and Gyeonggi-do province. Data were collected using a questionnaire, which included questions on demographic data, experience during pregnancy, and attitude regarding weight change during pregnancy. Descriptive statistics were calculated. Also, independent t-test, ANOVA, and Pearson's correlation coefficients were used for data analysis. Results: The mean age of the participants was 30.62 years and their score of attitude regarding weight gain during pregnancy was low. Moreover, a significant correlation was found between the pregnancy experience and attitude regarding weight gain during pregnancy in primigravida women. Conclusion: As a result of analyzing the correlation between pregnancy experience and attitude towards weight gain during pregnancy, it is apparent that attitudes toward weight change are different according to experience during pregnancy in women. Based on these results, it can be concluded that nursing intervention programs are necessitated to enhance the attitude of pregnant primigravida women towards pregnancy and weight gain.

• Computers and Concrete
• /
• v.33 no.5
• /
• pp.481-496
• /
• 2024

Internal erosion around pipes can lead to the failure of earth dams through various mechanisms. This study investigates the displacement patterns in earth dam models under three different failure modes due to internal erosion, using digital image correlation (DIC) methods. Three failure modes—erosion along a pipe (FM1), pipe leakage leading to soil erosion (FM2), and erosion in a pipe due to defects (FM3)—are analyzed using two- and three-dimensional image- processing techniques. The internal displacement of the cross-sectional area and the surface displacement of the downstream slope in the dam models are monitored using an image acquisition system. Physical model tests reveal that FM1 exhibits significant displacement on the upper surface of the downstream slope, FM2 shows focused displacement around the pipe defect, and FM3 demonstrates increased displacement on the upstream slope. The variations in internal and surface displacements with time depend on the segmented area and failure mode. Analyzing the relationships between internal and surface displacements using Pearson correlation coefficients reveals various displacement patterns for the segmented areas and failure modes. Therefore, the image-based characterization methods presented in this study may be useful for analyzing the displacement distribution and behavior of earth dams around pipes, and further, for understanding and predicting their failure mechanisms.

• Bulletin of the Korean Chemical Society
• /
• v.34 no.12
• /
• pp.3553-3558
• /
• 2013

The three dimensional-quantitative structure activity relationship (3D-QSAR) studies on chemical features of pyridine-2-amines in the external region of c-Met active site (ER chemical features of pyridine-2-amines) were conducted by docking, comparative molecular field analysis (CoMFA), and topomer CoMFA methods. The CoMFA model obtained the partial least-squares (PLS) statistical results, cross-validated correlation coefficient ($q^2$) of 0.703, non cross-validated correlation coefficient ($r^2$) of 0.947 with standard error of estimate (SEE) of 0.23 and the topomer CoMFA obtained $q^2$ of 0.803, $r^2$ of 0.940, and SEE of 0.24. Further, the test set was applied to validate predictive abilities of models, where the predictive $r^2$ ($r{^2}_{pred}$) for CoMFA and topomer CoMFA models were 0.746 and 0.608, respectively. Each contribution of ER chemical features of pyridine-2-amines to the inhibitory potency showed correlation coefficients, $r^2$ of 0.670 and 0.913 for two core parts, 3-(benzo[d]oxazol-2-yl)pyridine-2-amine and 3-(1-(2,6-dichloro-3-fluorophenyl)ethoxy) pyridine-2-amine, respectively, with corresponding experimental $pIC_{50}$.

• Molecules and Cells
• /
• v.42 no.5
• /
• pp.418-425
• /
• 2019

Multicistronic elements, such as the internal ribosome entry site (IRES) and 2A-like cleavage sequence, serve crucial roles in the eukaryotic ectopic expression of exogenous genes. For utilization of multicistronic elements, the cleavage efficiency and order of elements in multicistronic vectors have been investigated; however, the dynamics of multicistronic element-mediated expression remains unclear. Here, we investigated the dynamics of encephalomyocarditis virus (EMCV) IRES- and porcine teschovirus-1 2A (p2A)-mediated expression. By utilizing real-time fluorescent imaging at a minute-level resolution, we monitored the expression of fluorescent reporters bridged by either EMCV IRES or p2A in two independent cultured cell lines, HEK293 and Neuro2a. We observed significant correlations for the two fluorescent reporters in both multicistronic elements, with a higher correlation coefficient for p2A in HEK293 but similar coefficients for IRES-mediated expression and p2A-mediated expression in Neuro2a. We further analyzed the causal relationship of multicistronic elements by convergent cross mapping (CCM). CCM revealed that in all four conditions examined, the expression of the preceding gene causally affected the dynamics of the subsequent gene. As with the cross correlation, the predictive skill of p2A was higher than that of IRES in HEK293, while the predictive skills of the two multicistronic elements were indistinguishable in Neuro2a. To summarize, we report a significant temporal correlation in both EMCV IRES- and p2A-mediated expression based on the simple bicistronic vector and real-time fluorescent monitoring. The current system also provides a valuable platform to examine the dynamic aspects of expression mediated by diverse multicistronic elements under various physiological conditions.

• Journal of the Korea Fashion and Costume Design Association
• /
• v.14 no.1
• /
• pp.111-121
• /
• 2012

This study focused on the plane and side drape coefficients of weft knitted fabrics as a function of knit structure, stitch density, and stiffness. Fifteen weft knitted fabrics are produced with five different structures (interlock, single pique, royal interlock, cross miss interlock, and mock royal interlock) and three different gauges (7G, 10G, and 12G). Five knit structures were the application of knit, tuck, and miss stitch on the basis of interlock of the double knit fabric For this purpose, three-dimensional shapes of the draped sample were obtained by using a drapability tester which can record the contour line coordinates of a projected plane drape. Then, projected shapes of the plane and side drape were derived from those three-dimensional ones to review the relationship between plane drape coefficients and side ones. It was found that the theoretical values of plane and side drape coefficients depending on the change of deflection angles fit to their experimental ones. A5 a result of a regression analysis of the relationship between plane and side drape coefficients, the relationship could be expressed as $y=0.5838x-0.0065x^2+9.03{\times}10^{-5}x^3$. In case of mean of drape coefficient, it was increased according to the rule of that the more tuck and miss stitch overlap. A high degree of correlation was found between stiffness and drape coefficient. The regression equation of drape coefficient($y$) can be represented by $y=y=\sqrt[3]{Stiffness}-10.72$.

• Women's Health Nursing
• /
• v.18 no.4
• /
• pp.302-311
• /
• 2012

Purpose: The purpose of this study was to examine factors related to attitudes to menstruation in elementary school girls according to menarche experience. Methods: Data were collected using a structured questionnaire from 208 girls in 5th or 6th grade (90 who were menarche and 118 who were not). The study was a cross-sectional study. Data were analyzed using SPSS/WIN 18.0 program for descriptive statistics, t-test, ANOVA, Pearson correlation, and multiple regression. Results: There were significant differences in body image, menstrual knowledge and attitude between the two groups of students. Results from the multiple regression analysis revealed difference in related factors and in the magnitude of the relationship evaluated by standardized beta coefficients. Significant factors, listed by the magnitude of beta coefficients, among students in menarche were positive affect of menarche, self-oriented perfectionism-critical, negative affect of menarche. Significant factors among non-menarche students were menstrual knowledge and self-oriented perfectionism-critical. Conclusion: There are differences between menarche and non-menarche girls in attitude to menstruation and related factors. Based on the results of the present study, systemic health education according to differences between the two groups should be developed to foster positive attitudes to menstruation.