• Korean Journal of Applied Biomechanics
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• v.23 no.2
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• pp.99-108
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• 2013

The purpose of this study was to analyze the kinematic characteristics of javelin to compare the characteristics between world elite athletes and local male athletes. The subjects selected 9 athletes out of total 13 athletes recorded more than 65 m in the preliminary and main competition participated in the 93rd National Sports Festival held in 2012. Three-Dimensional motion analysis using a system of 4 video cameras(Sony HXR-MC2000) at a sampling frequency of 60 fields/s was performed for this study. The Kwon3D 3.1 was used to obtain the three dimensional coordinates about the top, grip, end of javelin. And the kinematic factors of javelin calculated using Matlab2009a program. The resultant speed of javelin that affects directly to the record of performance showed 26.08 m/s indicated lower speed of about 2-3 m/s than world elite athletes. The release point appeared to have been made at the high of $1.79{\pm}0.07$ m of 99.8% of the height of the athletes. In terms of release angle, it was indicated average $33.0{\pm}3.81^{\circ}$ lower release angle compared to the world elite athletes. The attitude angle(up & down tilt angle, X axis) related to javelin indicated average $38.5{\pm}4.96^{\circ}$, its related attack angle average $5.5{\pm}5.11^{\circ}$, and yaw angle(sideslip, side attack angle) average $15.7{\pm}8.48^{\circ}$.

• Journal of dental hygiene science
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• v.8 no.2
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• pp.73-80
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• 2008

The purpose of this study was to examine the health promotion behavior of dental hygiene students in boosting a university student health. The subjects in this study were 687 dental hygiene students in four different colleges in Gyeonggi province. A survey was conducted in September and October 2007, and the collected data were analyzed with SPSS 12.0 program. The findings of the study were as follows: 1. The he freshmen scored lowest in oral health care behavior($3.11{\pm}.57$), and the gap between them and the others was statistically significant (p < .001). 2. In regard to health promotion behavior, the students who found themselves not to be in good shape scored lower in terms of nutritional care($3.63{\pm}.63$), social support($2.43{\pm}.60$), responsibility for their own health($2.40{\pm}.68$) and esteem for their own lives($2.33{\pm}.51$). There were statistically significant differences between them and the others(p < .001, p < 0.01). 3. As to the relationship of the academic background of parents to health promotion behavior, the students whose fathers stopped at middle school($3.62{\pm}.52$) lagged behind most in terms of nutritional (p < .001), and those whose mothers stopped at middle school($2.52{\pm}.52$) were given the smallest social support. The gap between these groups and the others were statistically significant(p < .05). 4. The self-boarding students($3.66{\pm}.57$) fall behind most in the aspect of nutritional care, and there was a statistically significant gap between them and the others(p < .001). 5. The students whose monthly mean household income was one million won or less($2.42{\pm}.62$) valued their own lives least, and the gap between them and the others was statistically significant(p < .05). 6. As for correlation among the variables, stronger social support led to better reverence for life, and better esteem for life was concurrent with better stress management. There was a statistically significant relationship between those variables(p < .01).

• Journal of the Korea Institute of Information and Communication Engineering
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• v.8 no.8
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• pp.1632-1639
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• 2004

The exist email program between Ship and Land has developed to reduce communication fee because of high satellite communication cost and low speed. Owing to this proper, the exist program has less flexibility and high speed. but to add or change functions is not easy. and it also have many difficulties for programmer to develop marine application because of delicate Satellite Radio communication. In this paper we design new protocol which consist of packet to give flexiblity and implement windows service program for programer to make marine applications easily like monitoring data, DB for Ship Management System, Planned Maintenance System.

• Journal of Korean society of Dental Hygiene
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• v.12 no.2
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• pp.307-315
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• 2012

Objectives : This study is to make basic materials for an effective human resource management plan by understanding relationship between self-esteem and intention of transfer of dental hygienists who are working in dental diagnostic institutions and to contribute to human resource program development for promoting development into a dental hygienic profession. Methods : This survey was carried out for dental hygienists who are engaging in dental diagnostic institutions in part of Cheonbuk Area by survey researchers for 10 days from September 14 to September 24, 2011 by visiting dental clinics after respondents replied to a questionnaire after listening to explanations of study purposes. Total 210 copies of questionnaire were retrieved and 201 copies were used as materials for the final analysis excluding 9 copies with insincere replies. Results : 1. The total average grade for self-esteem of study objects was 32.83(${\pm}3.08$) points. The total average of intention of transfer was found to be 32.91(${\pm}7.50$) points. 2. Self-esteem by satisfaction on the current workplaces was shown to be high with 'very satisfactory'(p=0.028), which has significant difference statistically (p<0.05). 3. In the intention of transfer by general characteristics, 20-25 years ($35.15{\pm}7.17$) was higher than over 40 years old ($23.44{\pm}3.47$) by age to show significant difference statistically (p=0.000). As for married status, single ($34.42{\pm}6.64$) was found to have higher intention of transfer than married ($30.28{\pm}8.11$), which showed significant difference statistically (p=0.018). As for the education background, 3 year course college graduates ($33.49{\pm}7.25$) showed more intention of transfer than over undergraduate students ($22.75{\pm}9.43$) to show significance statistically (p=0.002) and in the working years 1~3 years ($34.40{\pm}7.07$) was found to have more intention of transfer than over 10 years ($25.13{\pm}5.08$) to be significant statistically (p=0.000). The annual income less than 25 million won ($34.10{\pm}6.54$) showed more intention of transfer than over 40 million won ($21.00{\pm}0.00$) (p=0.000). 4. Intention of transfer by satisfaction of current workplaces was found to be high in 'very unsatisfactory', which showed significant difference statistically (p<0.001). 5. Pure correlation between self-esteem and intention of transfer came into existence and intention of transfer was found to be higher as self-esteem is higher. Conclusions : Through results as above, intention of transfer of dental hygienists was found to be higher as self-esteem is higher. Various follow-up studies which are to perform empirical verification by analyzing various factors which can affect intention of transfer based on this and using them as control variables are thought to be tried.

• Journal of dental hygiene science
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• v.12 no.6
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• pp.583-590
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• 2012

The purpose of this study was to investigate effect of the economic stress and state-trait anxiety on the periodontal disease in order to prevent the occurrence and progression of periodontal disease. Date were collected from total of 326 subjects in their forties and fifties by using questionnaire and examination of periodontal states during the period from February to November 2011. Results were analyzed by using frequency, t-test, ANOVA and Multiple regression of SPSS ver. 19.0. 1. The economic stress were significant statistically to the higher, medium and low of gingival index (p<0.01). 2. The state-trait anxiety were significant statistically to the higher, medium and low of gingival index (p<0.001), of the pocket depth (p<0.05), of the clinical attachment loss (p<0.05). 3. The gingival index were investigate effect of the higher the economic stress ($\beta$=0.052, p<0.01), the higher the state-trait anxiety ($\beta$=0.052, p<0.01). As a result, this study suggests that the dental clinic institute needs to let the patients with the periodontal disease know about the effects of economic stress and state-trait anxiety. They also necessarily need to implement education program including stress management, economic stress, and state-trait anxiety improvement in order to prevent periodontal disease and to take charge.

• Journal of Veterinary Clinics
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• v.25 no.4
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• pp.292-294
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• 2008

The purpose of this study was to evaluate the cause of lens luxation and to determine the frequency of vision loss, glaucoma, cataract, and corneal edema before and after intracapsular lens extraction (ICLE). The medical records of 8 dogs underwent ICLE for the correction of anterior lens luxation at the Veterinary Medical Teaching Hospital of Seoul National University from August 2005 to September 2007 were reviewed. The most frequently affected breed was Miniature Poodle (n = 3). The mean age was $10.8{\pm}2.1$ years. Preoperatively, 5 eyes (67.5%) with anterior luxation had secondary glaucoma, 7 eyes (87.5%) had vision loss, and all eyes (100.0%) had corneal edema. Four weeks after ICLE, 6 eyes (75.0%) had normal intraocular pressure (IOP), and 4 eyes (50.0%) regained vision. Corneal edema was reduced after ICLE in all eyes, but still remained in 4 eyes. It was considered that ICLE was beneficial in the management of anterior lens luxation, but the eyes without glaucoma before ICLE had more favorable prognosis than eyes with.

• Journal of Korean society of Dental Hygiene
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• v.17 no.5
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• pp.791-803
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• 2017

Objectives: Oral health management is important to improve the quality of life among the elderly. This study investigated the performance of elderly oral health management among some care workers in long-term-care hospitals. Methods: The study subjects were 174 care workers in 10 long-term-care hospitals. Data on general characteristics of care workers, attitude, recognition and knowledge of elderly health, performance of elderly oral health management were collected by a self-administered questionnaire. Data were analyzed through descriptive analysis, t-test, ANOVA, correlation and multiple regression analysis by using a SPSS version 23.0 statistical program. Results: The performance score of oral health management was $4.34{\pm}0.64$ on the 5-point Likert scale. The subjects who exercised more than 2 times a month were significantly higher in their performance of elderly oral health management compared to subjects who did not exercise (${\beta}=0.232$, p=0.035). And, the subjects who cared 10-19 persons were significantly higher in performance of elderly oral health management compared to subjects who cared more than 20 elderly (${\beta}=0.246$, p=0.020). The oral health behavior of care worker (${\beta}=0.271$, p<0.001) and the knowledge of oral health care (${\beta}=0.055$, p=0.008) were positively related to the performance of elderly oral health management. Conclusions: The educational program designed to improve knowledge of care workers in accordance with the standard textbook for training care workers should be developed, and the long term education program should be reinforced to improve the performance for elderly oral health care. If care workers can care a proper number of old persons, they will give oral health care to them.

• Journal of the Korea Safety Management & Science
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• v.2 no.3
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• pp.89-100
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• 2000

About one hundred twenty thousand ($\pm$twenty thousands) people are wounded and about two thousand persons are dead from industrial accidents in Korea ［1］, Therefore, Korea is notoriously called as a haven of disaster. This study investigated the safety situation of industries and attitude of safety managers to reduce the occurrence of accidents. The period of investigation was during March through August, 1977. Two hundreds of safety managers were replied, but replies of 183 were used because some of them were inappropriately answered for the questions. Their replies were analyzed by SAS program. As a result, only three persons out of 183 managers were women, 83% of them are married, 25.1% were graduated from university, 15.2% were graduated from two-year college. Full time safety managers were only 8% of them. Safety managers who have experienced injured before their current position were 26.3%. This confirms that company allocated injured persons to a safety department. Korea also needed an educational agency like NIOSH and a punishment agency like OSHA in USA［5］. These agencies can solve a fundamental problem of safety management for small-and-medium size industries. Furthermore, a new safety management bureau for controlling these two agencies will be necessary to reduce accidents in near future.

• Journal of the Korea Convergence Society
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• v.9 no.8
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• pp.61-70
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• 2018

The purpose of this study was to identify the of patient safety related to perception of Hospital environment, Organizational culture, Reporting system and Factors Influencing on Perception of Medical Errors Report Related to Patient Safety of Healthcare Workers in a General Hospital. Healthcare Workers in a General Hospital in B City who signed on the written consent participated in this study between February 12 and 28, 2017. A total of 244 copies were collected and were analyzed using the SPSS 22.0 program. The result mean score perception of Hospital environment was 3.26(${\pm}0.31$)point on a scale of 0 to 5, and Organizational culture 3.74(${\pm}0.54$)point, Reporting system 3.64(${\pm}0.57$)point. Factors influencing on perception of medical errors report is sex(${\beta}=.137$, p=.023), Type of occupation(${\beta}=289$, p=.001), Department of Nursing(${\beta}=-.196$, p=.023), Hospital environment(${\beta}=.327$, p=<.001), Organizational culture(${\beta}=.288$, p=<.001). Therefore management and hospital management efforts should be made to establish a system that enables healthcare workers to report without fear of medical errors reporting, and appropriate staffing and open communication.

• Journal of Digital Convergence
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• v.15 no.1
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• pp.363-372
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• 2017

This study aimed to identify influences which nutritional status and depression have on satisfaction with life on middle-aged long-term care patients. This study is a descriptive study conducted with 120 patients aged 40-65 from February 1st to March 31th, 2015 in hospital. Data were analyzed using t-test, ANOVA, Scheff's test, Pearson's correlation coefficients, multiple regression. The average of nutrition status, depression, satisfaction of life was $15.85{\pm}3.85$, $24.70{\pm}15.85$, $3.54{\pm}1.22$ each. The findings show nutritional status(r=.281, p<.005) have correlation(+) with satisfaction of life, otherwise, nutritional status(r=.439, p<.001) and satisfaction of life(r=-.-574, p<.001) have correlation(-) with depression both. Influencing factors on satisfaction of life were subjective health(${\beta}=.387$, p=.000) and depression(${\beta}=.251$, p=.010), explained 36.0% of the variance. Therefore, management program for improving satisfaction of life is needed on middle-aged long term care patients.