• Title/Summary/Keyword: Variance of Analysis

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Effect of Horseback Riding on Bone Density of the Senior Citizen (승마가 노인의 골밀도에 미치는 영향)

  • Kim, Seon-Chil;Lee, Jong-Ha;Kim, Shin-Gyun;Cho, Sung-Hyoun
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.12 no.1
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    • pp.1-9
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    • 2018
  • This study is intended to identify how horseback riding affect the bone density of the elderly. A total of 31 normal senior citizens participated in the research, who were randomly divided into two groups: 15 in horseback riding exercise group and 16 in horseback riding machine exercise group. A horseback riding exercise program was carried out for 25 minutes twice a week for 12 weeks. A pre-test was conducted before starting the program and two post-tests were conducted 6 weeks and 12 weeks after exercises in the same way as the pre-test. Measured items were bone density of lumbar vertebrae and femur. In order to identify the changes in measurement variables before exercises and 6 weeks and 12 weeks after exercises, two-way repeated analysis of variance were used. The comparison of changes in the bone density in both groups revealed that there were significant differences in lumbar vertebrae L3, L4, femur trochanter in both groups over time. This study suggests that three-dimensional movements of horses through horseback riding exercises induce normal movements of senior citizens, providing positive effects on their bone density. If appropriate horse riding exercise programs are used considering the health status, time and economic conditions, and preferences of senior citizens, it would improve their quality of life.

A Major Locus for Quantitatively Measured Shank Skin Color Traits in Korean Native Chicken

  • Jin, S.;Lee, J.H.;Seo, D.W.;Cahyadi, M.;Choi, N.R.;Heo, K.N.;Jo, C.;Park, H.B.
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.11
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    • pp.1555-1561
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    • 2016
  • Shank skin color of Korean native chicken (KNC) shows large color variations. It varies from white, yellow, green, bluish or grey to black, whilst in the majority of European breeds the shanks are typically yellow-colored. Three shank skin color-related traits (i.e., lightness [$L^*$], redness [$a^*$], and yellowness [$b^*$]) were measured by a spectrophotometer in 585 progeny from 68 nuclear families in the KNC resource population. We performed genome scan linkage analysis to identify loci that affect quantitatively measured shank skin color traits in KNC. All these birds were genotyped with 167 DNA markers located throughout the 26 autosomes. The SOLAR program was used to conduct multipoint variance-component quantitative trait locus (QTL) analyses. We detected a major QTL that affects $b^*$ value (logarithm of odds [LOD] = 47.5, $p=1.60{\times}10^{-49}$) on GGA24 (GGA for Gallus gallus). At the same location, we also detected a QTL that influences $a^*$ value (LOD = 14.2, $p=6.14{\times}10^{-16}$). Additionally, beta-carotene dioxygenase 2 (BCDO2), the obvious positional candidate gene under the linkage peaks on GGA24, was investigated by the two association tests: i.e., measured genotype association (MGA) and quantitative transmission disequilibrium test (QTDT). Significant associations were detected between BCDO2 g.9367 A>C and $a^*$ ($P_{MGA}=1.69{\times}10^{-28}$; $P_{QTDT}=2.40{\times}10^{-25}$). The strongest associations were between BCDO2 g.9367 A>C and $b^*$ ($P_{MGA}=3.56{\times}10^{-66}$; $P_{QTDT}=1.68{\times}10^{-65}$). However, linkage analyses conditional on the single nucleotide polymorphism indicated that other functional variants should exist. Taken together, we demonstrate for the first time the linkage and association between the BCDO2 locus on GGA24 and quantitatively measured shank skin color traits in KNC.

The relationship among SNS addiction, Depression and Communication skill of nursing students (간호대학생의 SNS 중독경향성, 우울과 의사소통능력간의 관계)

  • Kwon, Myoungjin;Kim, Jihyun;Jung, Sunkyung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.6
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    • pp.405-413
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    • 2018
  • The purpose of this study was to investigate the influence of SNS addiction tendency, depression, and communication skill among university students. Subjects were 200 associate nursing students in Korea. The data were collected using a self-reporting questionnaire from October 11 to November 24, 2016. Data were analyzed by descriptive statistics, t-test, ANOVA, LSD test, Pearson's correlation coefficients, and multiple regression analysis using the SPSS/WIN 23.0 program. The levels of SNS addiction tendency were dependent on age (t=2.47, p=.044), connection SNS time (F=10.20, p<.001), and place of SNS use (t=2.54, p=.012). SNS addiction tendency was significantly correlated with depression. Higher SNS addiction was associated with higher rates of depression. SNS addiction tendency was not significantly correlated with communication skill in nursing students. Influential factors that affect SNS addiction tendency were depression (${\beta}=.265$, p<.001) and SNS usage time (${\beta}=.265$, p<.001), which explains about 15.5% of the variance. The results of this study indicate that nursing interventions are necessary to improve SNS addiction tendency, and early screening of nursing students is needed to develop health promotion programs for the vulnerable.

The Effects of Self-efficacy, Appearance Satisfaction in Major on Employment Stress of Nursing College Students (간호대학생의 자아존중감, 외모만족도, 전공만족도가 취업스트레스에 미치는 영향)

  • Kim, Kyoung-Nam;Kang, Eun-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.3
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    • pp.80-88
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    • 2020
  • This study aimed to determine the effects of self-esteem, appearance satisfaction, and satisfaction in their major on the employment stress of nursing college students. The subjects were 194 students from four colleges of nursing in P-province in Korea. Data were collected from self-administered questionnaires, t-test, ANOVA, Pearson's and Spearman's correlation coefficients. Multiple regression with dummy variables was used for statistical analysis of the data. The results revealed the following scores: self-esteem 3.40±0.53, appearance satisfaction 2.96±0.56, satisfaction with the major 3.80±0.61, and employment stress 2.23±0.75. Significant differences in employment stress according to general characteristics of subjects were observed in gender (t=7.40, p=.007), entering nursing college motivation (F=3.24, p=.023), and college life satisfaction (F=16.722, p<.001). Employment stress showed a negative correlation with self-esteem (r=-.433, p<.001), appearance satisfaction (r=-.307, p<.001), and satisfaction in major (r=-.534, p<.001). The satisfaction with the major (β=-.371, p<.001), self-esteem (β=-.166, p=.026), appearance satisfaction (β=-.132, p=.045), entering nursing college motivation (β=.163, p=.006), and gender (β=.131, p=.033) confirmed as a factors affecting the employment stress and accounted for 35.6% of the variance. Based on the results, it is necessary to develop employment-competency reinforcement programs to increase the level of satisfaction in the major, appearance satisfaction, and self-esteem to reduce the employment stress of nursing college students.

The Effects of Emotional Intelligence upon Job Satisfaction and Organizational Commitment - A Case of Five Star Deluxe Hotel Employees - (정서적 지능이 직무만족과 조직 몰입에 미치는 영향 - 특 1급 호텔 근무자의 사례를 중심으로 -)

  • Kim, Ji-Eun
    • Culinary science and hospitality research
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    • v.18 no.4
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    • pp.27-46
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    • 2012
  • Organizational factors and personal traits are two elements of widely acknowledged relevance in employees' organizational outcomes in hotel industry. Personal traits especially need to be further examined as a consideration for employment. As one of the personal traits that provide capability to manage emotions, emotional intelligence is selected. The empirical objective of this study is to investigate the effects of emotional intelligence on job satisfaction and organizational commitment in a structural model. To conduct research questions, five star deluxe hotel employees in Korea are targeted to be surveyed. Descriptive statistics and multivariate analysis of variance, and structural equation modeling(SEM) are utilized employing SPSS and AMOS 4.0 to analyze the survey results. It was found that the components of perceiving emotions and understanding emotions predicted job satisfaction. Relatively perceiving emotions presented a higher impact on each dimension of job satisfaction. Satisfaction with co-workers and communication can also explain the level of hotel employees' organizational commitment. Broadly speaking, the results suggest that effective psychotherapeutic or reciprocative programs should be integrated into hotel training contents for emotional intelligence development.

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Genetic Diversity and Structure of the Korean Rare and Endemic Species, Deutzia pdaniculata Nakai, as Revealed by ISSR Markers (한국 희귀 특산식물 꼬리말발도리 집단의 유전적 다양성 및 구조)

  • Son, Sung-Won;Choi, Kyoung Su;Park, Kyu Tae;Kim, Eun-Hye;Park, Seon Joo
    • Korean Journal of Plant Resources
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    • v.26 no.5
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    • pp.619-627
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    • 2013
  • Deutzia paniculata Nakai is a Korean endemic species that has a very restricted distribution in Gyeongsang-do, South Korea. The genetic diversity and structure of five populations of D. paniculata were investigated using 31 ISSR loci from six primers. The Shannon's index (0.429) and genetic diversity (0.271) were relatively higher than those of other rare plant species in Korea. The Miryang (MY) and Yangsan (YS) populations, which have higher flowering rates than the other populations, showed greater genetic diversity than the other populations. An analysis of the molecular variance (AMOVA) showed that 16% of the total variation could be attributed to differences among the populations, and 84% to the differences within populations, indicating moderate gene flow among adjacent populations. The high genetic diversity and low genetic differentiation in the Deutzia paniculata populations, which have a restricted distribution, is considered to be affected by outcrossing of the mating system and abundant individuals in the populations. These results suggest that ex situ conservation strategies are needed to sustain the current genetic diversity of D. paniculata.

THE EFFECT OF SACROOCCIPITAL TECHNIQUE CATEGORY II BLOCKING ON ABDOMINAL MUSCLE ENDURANCE AND SHOULDER PAIN (S.O.T CATEGORY II BLOCKING이 복근지구력과 어깨 통증에 미치는 영향)

  • Shin, Won Sun;Cho, Il Young;Kim, Ka Eun;Park, Soon Kwon;Cha, Kyung Su
    • Journal of Digital Convergence
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    • v.10 no.11
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    • pp.551-558
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    • 2012
  • Objectives: The purpose of this study was to determine whether the sacrooccipital category II blocking technique may improve abdominal muscle endurance and alleviate shoulder pain caused by pelvic tilting. Methods: A total of 50 subjects diagnosed with category II sacroiliac joint instability and lower back pain were randomly assigned to the control or treatment group. The sacrooccipital technique category II blocking procedure (2-min duration) was performed 3 times a week until the category II indicator of joint instability had subsided. The control subjects were subjected to a sham procedure of equal duration and frequency. We assessed abdominal muscle endurance using the partial curl-up test and shoulder pain using a visual analogue scale, before and immediately after the intervention and 2 weeks after the intervention. Results: On two-way analysis of variance with repeated measures on time factor, significant treatment and interaction effects on muscle endurance were found. A significant interaction effect, but not treatment effect, was found for shoulder pain. Post hoc test showed that the shoulder pain was reduced immediately after intervention (treated group) and 2weeks (control and treated group) after the intervention as compared to before the intervention. Conclusions: This study suggests that sacrooccipital category II blocking can be used to alleviate shoulder pain caused by pelvic instability. The mechanisms behind the long-term benefits may include an increase in abdominal muscle endurance.

A study on the intraoral factor related to oral malodor (구취발생에 관여하는 구강내부요인에 관한 연구)

  • Jung, Mi-Ae;Lee, Eun-Sook
    • Journal of Korean society of Dental Hygiene
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    • v.8 no.1
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    • pp.119-131
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    • 2008
  • This study was peformed in order to find out the relationship between the causing factors and the production of each gas 01 oral malodor, to contribute the oral malodor control at dental clinic as well as to establish the effective application of malodor control project for public oral health program 127 patients from 20 to 40 years old who had been visited for preventive dental cares were participated for the study. Such items as caries status, periodontal status, salivary flow, viscosity, pH. Snyder test, plaque deposit and tongue plaque were checked through the oral examination in order to find out the contributing factors Hydrogen sulfide, Methyl mercaptan, Di-methyl sulfide and Ammonia gas components were checked with Oral-Chroma and Attain, the oral malodor check units. Not only the corelation coefficiencies but also the multi-way variance analysis were calculated between each causing factor and each component of oral malodor gases to estimate the contributing factors of the oral malodor. 1. There was no relationship between the caries status and each component pf the oral malodor such as sulfur compound or Ammonia, both in laboratory test and VAS test (pF0.05). It revealed negative relationship between Hydrogen sulfide and FT(rM-0.1904. pE0.05) as well as the VAS and FT (rM-0.210. pE0.05). S0, it was estimated that the less oral malador was recognized when caries state changed to filled state in Hydrogen sulfide laboratory test or VAS test 2. High relationship was showed between salivary flow and Hydrogen sulfide (rM-0.183, pM0.039), Methyl mercaptan(rM-0.234, p-0.008). Dimethyl sulfide(rM-0.234, pM0.008) and Ammonia(-0.361. pM0.001) gas(pE0.05). 3. There was a high relationship between M-PHP(Modified-Patient Hygiene Performance Index) and tong plaque all kinds of sulfide(rM0.249. pM0.005). Ammonia gas component(rM0.232, pM0.009). 4. It was found that considerable relationship was appeared between the periodontal status and Ammonia gas (rM0.274, pM0.002), so, it should be needed to control Ammonia. Such dental Cares as the prevention or early treatment of periodontal disease and the accelerating the salivary flow as well as reducing the amounts and activities of filament or spiral typed oral micro-organism were recommended for adults, not only for dental care program at the dental clinics but also for public health programs, in order to promote the oral health and quality of file for individual and community peoples.

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Factors affecting on Perceived Medication Administration Competence in Senior Nursing Students (졸업 예정 간호대학생의 주관적 투약수행역량 영향요인)

  • Kim, Jeong-Hee;Kang, Kyung-Ja
    • Journal of Digital Convergence
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    • v.17 no.7
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    • pp.215-224
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    • 2019
  • The objective of study was to identify perceived medication administration Competence of senior nursing students. A total of 128 students were recruited. The instruments for this study were self-efficacy for drug dosage calculation, anxiety for drug dosage calculation and perceived medication administration competence. The data were collected from November 2018 to January 2019, analyzed by descriptive analysis, chi-square, t-test, Scheffe test, correlation coefficients, and multiple regression using the SPSS 25.0 program. The main predictors of perceived medication administration competence were identified as confidence in drug dosage calculation (${\beta}=.463$, p<.001), Attitude of participation at clinical practice (${\beta}=.168$, p=.040). These two factors explained about 29% of variance in perceived medication administration competence (F=26.93, p<.001). It can contribute to improve their ability to administrate medication in practice, with the accuracy of prescription, recalculation of prescribed drug dose, and observation of adverse reactions in clinical practice and simulation with collaborative approach.

A Study on Smoking Knowledge, Smoking Attitude, and Smoking Cessation Intention of College Student Smokers (흡연대학생의 흡연지식, 흡연태도가 금연의도에 관한 연구)

  • Jang, Hee-jung;Hong, Sun-yeun
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.1
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    • pp.525-532
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    • 2021
  • The purpose of this study was to investigate among smoking knowledge, smoking attitude, and smoking cessation intention and factors which influence in college student smokers. The subjects of this study were completed by 240 college student smokers from 2 colleges in D City. Data were collected from October 1 to Nomember 15, 2018. Data were analyzed using the t-test, the ANOVA, the Pearson correlation coefficient, and multiple regression analysis by SPSS ver. 21.0. The participants' knowledge was 0.51 out of 1 points, attitude was 3.63 out of 5 point and smoking cessation intention level was 2.71 out of 5 points. There were significant positive correlations among knowledge, attitude and smoking cessation intention. Factors influencing smoking cessation intention were smoking attitude(β=0.20, p=0.002), smoking amount(β=0.19, p=0.002), age of starting smoking habit (β=0.20, p=0.004), try to quit smoking(β=0.16, p=0.012)). Smoking cessation intention 17.7% of the variance in smoking attitude, smoking amount, age of starting smoking habit and try to quit smoking. The development of smoking cessation education program that focuses attitude change is needed. Maybe, well-designed program will enhance their knowledge, attitude and smoking cessation intention.