• The Korean Journal of Rehabilitation Nursing
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• v.20 no.1
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• pp.1-11
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• 2017

Purpose: This was a methodological study to develop a valid and reliable health assessment tool for middle-aged adults in long-term care settings (HATMAL). Methods: At the first stage of this study, initial 56-items HATMAL were derived via literature review, survey for needs assessment, and focus group interviews with experts. At the second stage, 54 items HATMAL were finalized via content validity test with 5 experts and a pilot study with 30 nurses. At the third stage, validity and reliability tests were conducted with 100 middle-aged patients in a long-term care hospital. Data were analyzed by factor analysis using SPSS 18.0 program. Results: Exploratory factor analysis resulted in 3 factors; functional assessment, symptom assessment, and comfort assessment. These 3 factors explained 83.8% of total variance and construct validity was confirmed. Test-retest reliability was .67 for appetite changes, .76 for regulating for behavior problems, and 1.0 for other items. Conclusion: Results indicate that HATMAL is valid and reliable to assess the health for middle-aged patients in long-term care settings. This study would contribute to provide more effective personalized treatment and care for middle-aged patients in long-term care settings considering their own characteristics.

• Research in Community and Public Health Nursing
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• v.29 no.4
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• pp.530-538
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• 2018

Purpose: This study tried to identify changes in family burden after the introduction of the long-term care insurance and to examine the factors influencing subjective and objective caring burden and depression of family caregivers of elders receiving home-based long-term care. Methods: Data were collected from 203 family caregivers of elders from August 1 to 31, 2015 using questionnaires. They were analyzed in descriptive statistics, t test, ANOVA test, and multiple regression analysis. Results: The mean score of depression was 7.24, which suggested mild depression level. The subjective family burden was 2.71 and the objective burden 3.04. The factors affecting depression included subjective burden (t=5.08, p<.001), objective burden (t=2.80, p=.006), time of elderly care per day (t=-3.61, p< .001), caregiving duration (t=3.33, p=.001), age (t=3.13, p=.002), family relationship (t=2.48, p=.014), and economic status (t=1.99, p=.047). Conclusion: The family burden was most important influencing factor on caregiver's depression. Therefore, services and supports to alleviate caregivers' burden in the home-based care should be added to long-term care.

• Korean Journal of Occupational Health Nursing
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• v.31 no.4
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• pp.178-186
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• 2022

Purpose: The purpose of this study is to identify the relationship between professional self-concept and job satisfaction of nurses working in long-term care hospitals and to consider strategies to improve these factors. Methods: Data were collected using structured questionnaires given to 135 nurses working at six long-term care hospitals in C City. The data were analyzed with SPSS 23.0 by descriptive statistics, Cronbach's α, t-test, one-way ANOVA, a Scheffé test, and with Pearson's correlation coefficient. Results: The average score for professional self-concept was 2.78 points (out of 4 points), and the average score for job satisfaction was 3.11 points (out of 5 points). Significant differences were found for professional self-concept according to age, marriage status, total work experience, number of patients per nurse, and position, while job satisfaction showed significant differences depending on age and the number of patients in the ward. Professional self-concept and job satisfaction showed a significant positive correlation (r=.46, p<.001). Conclusion: In long-term care hospitals, it is necessary to provide education programs about nursing practice, communication, and leadership to enhance the professional self-concept of nurses. With regard to job satisfaction for nurses, it is imperative to improve the work environment of long-term care hospitals.

• Proceedings of the KIEE Conference
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• 2003.10a
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• pp.255-257
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• 2003

The reliability of power transmission lines depends on long-term performance of the suspension insulators used on the lines. The importance of such long-term performance of the insulators has been recently noted, but its evaluation method has not been established yet. In this paper, various causes of insulator deterioration are verified and laboratory test method for evaluating the long term performance of insulators are studied.

• Tunnel and Underground Space
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• v.27 no.3
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• pp.121-131
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• 2017

We studied the time-dependent behaviors of rock and concrete materials by conducting the static and dynamic long-term strength tests. In particular, acoustic emission(AE) signals generated while the tests were analyzed and used for the long-term stability evaluation. In the static subcritical crack growth test, the long-term behavior and AE characteristics of Mode I and Mode II were investigated. In the dynamic long-term strength test, the fatigue limit and characteristics of generation of AE were analyzed through cyclic four points bending test. The graph of the cumulative AE hits versus time showed a shape similar to that of the creep curve with the first, second and third stages. The possibility for evaluating the static and dynamic long-term stability of rock and concrete is presented from the log - log relationship between the slope of the secondary stage of cumulative AE hits curve and the delayed failure time.

• The korean journal of orthodontics
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• v.45 no.5
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• pp.226-235
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• 2015

Objective: The purpose of this retrospective study was to investigate short-term and long-term skeletodental outcomes of Class III activator treatment. Methods: A Class III activator treatment group (AG) comprised of 22 patients (9 boys, 13 girls) was compared with a Class III control group (CG) comprised of 17 patients (6 boys, 11 girls). The total treatment period was divided into three stages; the initial stage (T1), the post-activator treatment or post-mandibular growth peak stage (T2), and the long-term follow-up stage (T3). Cephalometric changes were evaluated statistically via the Mann-Whitney U-test and the Friedman test. Results: The AG exhibited significant increases in the SNA angle, ANB angle, Wits appraisal, A point-N perpendicular, Convexity of A point, and proclination of the maxillary incisors, from T1 to T2. In the long-term follow-up (T1-T3), the AG exhibited significantly greater increases in the ANB angle, Wits appraisal, and Convexity of A point than the CG. Conclusions: Favorable skeletal outcomes induced during the Class III activator treatment period were generally maintained until the long-term follow-up period of the post-mandibular growth peak stage.

• Journal of Home Health Care Nursing
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• v.12 no.1
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• pp.70-91
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• 2005

Purpose: Long-term care facilities have a responsibility to provide care service that enables residents to maintain their maximal functional capacity and quality of life. Also their needs must be reflected to the service programs. In oder to provide an adequate service, we should assess the elderly's physical, psychological and social health status and the need. In addition to this, the long-term care facilities must be defined clearly by the type of services. This study would contribute to conduct appropriate services in public long-term care policy for the older population in the future. This study would provide informations of long-term care facilities' services and older persons' needs for long-term care. Method: To achieve this objectives, this paper investigates the types, service programs of long-term care institutes and job descriptions of workers. The subjects were consisted of 150 long-term care institutes. 150 institutes of long-term care facilities were drawn from all over the country by a nonrandom, convenience sampling. The data were analyzed by frequency, percentage, $x^2$-test using SPSS program. The instruments of this study were self-reported questionnaires for long-term care institutes. The data were collected from March 1, 2004 to may 31, 2004. Results: Service programs of long-term care institutes were not enough for residents' demands. The job descriptions among nurse, social worker and physical therapist were not clearly defined. The nurse's main role was medication and checking vital sign(49.7%), that of social worker's was observation and supervising (31.2%). The most significant problems were lacking of diverse service programs for residents. Conclusion: Considering these findings and conclusion, the needs of long-term care services should be provided by individual physical and psychological level. And the professional manpower for elderly should be educated in multi disciplines.

• Communications for Statistical Applications and Methods
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• v.24 no.4
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• pp.325-337
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• 2017

In this paper, we proposed a new long-term lifetime distribution with four parameters inserted in a risk competitive scenario with decreasing, increasing and unimodal hazard rate functions, namely the Weibull-Poisson long-term distribution. This new distribution arises from a scenario of competitive latent risk, in which the lifetime associated to the particular risk is not observable, and where only the minimum lifetime value among all risks is noticed in a long-term context. However, it can also be used in any other situation as long as it fits the data well. The Weibull-Poisson long-term distribution is presented as a particular case for the new exponential-Poisson long-term distribution and Weibull long-term distribution. The properties of the proposed distribution were discussed, including its probability density, survival and hazard functions and explicit algebraic formulas for its order statistics. Assuming censored data, we considered the maximum likelihood approach for parameter estimation. For different parameter settings, sample sizes, and censoring percentages various simulation studies were performed to study the mean square error of the maximum likelihood estimative, and compare the performance of the model proposed with the particular cases. The selection criteria Akaike information criterion, Bayesian information criterion, and likelihood ratio test were used for the model selection. The relevance of the approach was illustrated on two real datasets of where the new model was compared with its particular cases observing its potential and competitiveness.

• Journal of Korean Society on Water Environment
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• v.24 no.4
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• pp.480-487
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• 2008

Spatial and temporal analyses of water qualities were performed for 11 monitoring stations located in Mangyung watershed in order to analyze the trends of monthly water quality data of Biochemical Oxygen Demand (BOD), Total Nitrogen (TN) and Total Phosphorus (TP) measured from 1995 to 2004. The long-term trends were analyzed utilizing Seasonal Mann-Kendall test, LOWESS and three-dimensional graphs were constructed with respect to distance and time. The graph can visualize spatial and temporal trend of the long-term water quality in a large river system. The results of trend analysis indicated that water quality of BOD and TN showed the downward trend. This quantitive and quantitative analysis is the useful tool to analyze and display the long-term trend of water quality in a large river system.

• Journal of Korean Biological Nursing Science
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• v.20 no.3
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• pp.141-149
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• 2018

Purpose: This study was conducted to examine the effects walking program with dance on gait, cognition, and risk of falls of elderly with dementia in a long-term care hospital. Methods: Subjects consisted of 42 elderly with dementia in a long-term care hospital (21 elderly with dementia in an experimental group and 21 elders with dementia in a control group). Data were collected from March 14 to April 30, 2016. Subjects in the experimental group performed walking program with dance (three times a week, 30-50 minutes session, 18 sessions). Data were analyzed using descriptive statistics, Chi-square test, Fisher's exact test, independent t-test, paired t-test, repeated measures ANOVA with the SPSS/WIN 21.0. Results: The participants in the experimental group showed significantly increased scores of cadence (F= 8.36, p= .007) and improved scores of cognition (F= 9.95, p= .003) compared the control group. Conclusion: The findings indicate walking program with dance is recommend a regular exercise program to enhance the cadence associated with walking speed and cognitive function elderly.