• 한국의류학회지
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• 제25권8호
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• pp.1386-1397
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• 2001

The purpose of this study was to classify and analyze the somatotype of early middle-aged women and to provide its total data for clothing construction, and to improve clothing culture. The subjects were 277 early middle-aged women between 35 and 44 years old. Data were collected through anthropometry and photometry and analyzed by factor analysis, cluster analysis and discriminant analysis. The results were as follows; 1. The result of factor analysis indicated that 10 factors were extracted through factor analysis and those factors comprised 86.13 percent of total variance. 2. Using factor scores, cluster analysis was carried out and the subject were classified into 4 cluster. Type 1 is tall, slim, and X type in front. Type 2 is standard height and weight, short upper body, and hip-protruded on the side. Type 3 is standard height, thin, H type in front, back and hip are clearly protruded, and lean-back type on the side. Type 4 is standard height, fat, and long upper body. 3. According to the stepwise discriminant analysis, the 8 important iems is classifying the somatotype of early middle-aged women are as follows : bust girth, back length hip breadth-waist breadth, back protruded point depth(back)-back waist depth(back), hip tangent tilt, hip depth(back) waist dapth(back), bust depth-waist depth, and cervical hight, The correct classification rate for these items is as exact as 83.20%.

• 한국운동역학회지
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• 제26권4호
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• pp.353-360
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• 2016

Objective: The aim of this study was to investigate the relationship between aiming patterns and scores in archery shooting. Method: Four (N = 4) elementary-level archers from middle school participated in this study. Aiming pattern was defined by averaged acceleration data measured from accelerometers attached on the body during the aiming phase in archery shooting. Stepwise multiple regression analysis was used to test whether a model incorporating aiming patterns from all nine accelerometers could predict the scores. In order to extract period of interest (POI) data from raw data, a Dynamic Time Warping (DTW)-based extraction method was presented. Results: Regression models for all four subjects are conducted with different significance levels and variables. The significance levels of the regression models are 0.12%, 1.61%, 0.55%, and 0.4% respectively; the $R^2$ of the regression models is 64.04%, 27.93%, 72.02%, and 45.62% respectively; and the maximum significance levels of parameters in the regression models are 1.26%, 4.58%, 5.1%, and 4.98% respectively. Conclusion: Our results indicated that the relationship between aiming patterns and scores was described by a regression model. Analysis of the significance levels, variables, and parameters of the regression model showed that our approach - regression analysis with DTW - is an effective way to raise scores in archery shooting.

• 보건행정학회지
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• 제7권2호
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• pp.1-18
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• 1997

This study was conducted to analyze patient days and medical care benefits of finger-amputated patients due to industrial accident. The 161 personal data on medical care for finger-amputated patients due to industrial accident(88 in 1994, 73 in 1995) of Regional Labor Office and hospital characteristics were analyzed. The major results of this study were as follows : According to stepwise multiple regression analysis of patient days, number of amputated finger, location of hospital, bed capacity of hospital, presence of plastic surgery in hospital, number of orthopedic specialist per 100 beds, sick leave benefits per day were the major significant variables in order. In stepwise multiple regression analysis with medical care benefits as a dependent variable, presence of plastic surgery in hospital, number of orthopedic specialist per 100 beds, number of amputated finger, sick leave benefits per day, age, bed capacity of hospital were the major significant variables in order. The minimum optimal size with the lowest medical care benefits was a hospital with 300 beds. This shows that the economy of scale is also applicable for hospital industry. In summary, presence of plastic surgery in hospital, number of orthopedic specialist per 100 beds, number of amputated finger, sick leave benefits per day, bed capacity of hospital were the major significant variables in both patient days and medical care benefits.

• 기본간호학회지
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• 제13권2호
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• pp.269-274
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• 2006

Purpose: This study was done to examine the level of performance and predictors influencing health promotion behavior of Korean students in China. Method: The participants were 160 Korean students who have lived in Beijing, China. Data were collected by self reporting questionnaire from september to november, 2001 and t-test, ANOVA, Person's correlation coefficients, and stepwise multiple regression were used to analyze the data. Results: The health promotion behavior score showed a positive correlation with perceived health status(r=.17, p=.025), social support(r=.29, p=.0001), and self-efficacy(r=.41, p=.0001). By use of stepwise multiple regression analysis, it was determined that the main factors influencing health promotion behavior were self-efficacy 17.0%(F=32.56, p=.0001) and social support 2.2%(F=4.11, p=.044). These variables explained 19.2% of the variance in the health promotion behavior scores. Conclusion: Self-efficacy and social support were the main factors influencing health promotion behavior. These findings showed that we need to develop nursing strategies to promote self-efficacy and social support for Korean students in China.

• 기본간호학회지
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• 제5권2호
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• pp.353-361
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• 1998

The purpose of this study was to determine the predictors of health promoting behavior in postpartal $4{\sim}6$ week women. The sample consisted of 104 postpartal women who experienced a vaginal delivery at four obstetrical clinics located in Kwangju city. Data were collected for two months from June 1 to July 30, 1997. Analysis of the data was done by use of percentage, t-test, ANOVA, Pearson's Correlation Coeficients, and Stepwise Multiple Regression. The results of this study were summarized as follows : 1. The range of total HPLP score was from 93 to 182 and the mean score of that was 142.28. In comparison of mean scores defending on each item of six demensions, self-actualization demension tended to showed hightest score(3.33) and exercise & rest demension, the lowest score(2.47). 2. The HPLP score was not significantly different defending on the general characteristics. 3. The HPLP score showed a positive correlation with family-support(r=.51) and self-efficacy(r=.41), but a inverse correlation with perceived barriers(r=-.27). 4. By using stepwise multiple regression analysis it was determined that the main influencing factors on the HPLP score were family-support(26%) and self-efficacy (8%). These variables made it possible to explain 34% of variance in HPLP score.

• 한국융합학회논문지
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• 제10권3호
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• pp.355-362
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• 2019

본 연구는 천식이나 아토피 피부염이 있는 청소년의 삶의 만족도에 영향을 미치는 요인을 알아보기 위하여 실시하였다. 자료는 2016년 한국아동청소년패널조사(Korean Child and Youth Panel Survey; KCYPS) 자료를 이용하였고, 자료분석은 교차분석, t-test, 일원분산분석, 단계적 다중회귀분석을 실시하였다. 단계적 다중회귀분석결과 덜 우울할수록, 자아존중감과 자아탄력성이 높을수록, 연령이 적을수록, 부모의 양육태도가 애정적일수록 알레르기 질환이 있는 청소년의 삶의 만족도가 높아졌다. 지속적인 증상관리가 필요한 알레르기 질환이 있는 청소년의 삶의 만족도를 높이기 위해서는 부모가 애정적 양육태도를 취하고, 자녀에게 적절한 선택권을 부여하고, 긍정적이고 지지적인 관계를 유지하며, 우울감을 관리하기 위한 적절한 교육 프로그램을 제공하는 것이 필요하다.

• ETRI Journal
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• 제40권6호
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• pp.802-812
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• 2018

Disease discrimination using an electronic nose is achieved by measuring the presence of a specific gas contained in the exhaled breath of patients. Many studies have reported the presence of acetone in the breath of diabetic patients. These studies suggest that acetone can be used as a biomarker of diabetes, enabling diagnoses to be made by measuring acetone levels in exhaled breath. In this study, we perform a chemical sensor array optimization to improve the performance of an electronic nose system using Wilks' lambda, sensor selection based on a principal component (B4), and a stepwise elimination (SE) technique to detect the presence of acetone gas in human breath. By applying five different temperatures to four sensors fabricated from different synthetic materials, a total of 20 sensing combinations are created, and three sensing combinations are selected for the sensor array using optimization techniques. The measurements and analyses of the exhaled breath using the electronic nose system together with the optimized sensor array show that diabetic patients and control groups can be easily differentiated. The results are confirmed using principal component analysis (PCA).

• 디지털융복합연구
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• 제17권4호
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• pp.229-238
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• 2019

본 연구는 간호대학생 고학년을 대상으로 자아탄력성, 진로결정자기효능감, 취업스트레스의 관계를 규명하고자 수행되었다. 간호대학생 3, 4학년 175명을 대상으로 자가보고식 설문조사를 실시하였고, stepwise multiple regression으로 분석하였다. 연구결과, 일반적 특성에 따른 자아탄력성은 대학생활 만족도에 따라, 진로결정자기효능감은 건강상태, 대학생활 만족도, 전공에 대한 만족도, 학업성적에 따라, 취업스트레스는 학년, 대학생활 만족도, 전공에 대한 만족도, 학업성적에 따라 통계적으로 유의한 차이가 있었다. 취업스트레스의 영향요인은 학년, 진로결정자기효능감, 대학생활 만족도로 나타났고, 설명력은 13.5%였다. 그러므로 학년, 대학생활 만족도룰 고려하여 진로결정자기효능감을 강화시키는 융복합적인 중재를 통해 간호대학생 고학년의 취업스트레스를 감소시켜나가야 할 것이다.

• 대한치과교정학회지
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• 제51권6호
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• pp.397-406
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• 2021

Objective: The purpose of this study was to evaluate the effects of self-ligating brackets (SBs) and other factors that influence orthodontic treatment outcomes. Methods: This two-armed cohort study included consecutively treated patients in a private practice. The patients were asked to choose between SBs and conventional brackets (CBs); if any patient did not have a preference, he or she was randomly allocated to the CB or SB group. All patients were treated using an identical archwire sequence. Evaluated parameters were as follows: treatment duration, number of bracket failures, poor oral hygiene, poor elastic wear, extraction, use of orthodontic mini-implants (OMI), OMI failure, American Board of Orthodontics (ABO) Discrepancy Index (DI), arch length discrepancy, and ABO Cast-Radiograph Evaluation (CRE) score. Stepwise regression analysis was performed to generate the equation for prediction of the CRE. Results: The final sample comprised 134 patients with an average age of 22.73 years. The average DI, CRE, and treatment duration were 21.81, 14.25, and 28.63 months, respectively. Analysis of covariance showed a significant difference in CRE between the CB and SB groups after adjusting for the effects of confounding variables. Stepwise regression analysis using four variables, namely extraction, SB use, poor elastic wear, and additional appliance use, could explain only 25.2% of the variance in the CRE. Conclusions: Although the CRE was significantly better for CBs than for SBs, the clinical significance of this result seems to be limited. Extraction, SB use, poor elastic wear, and additional appliance use may have significant effects on treatment outcomes.

• The Journal of Asian Finance, Economics and Business
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• 제8권1호
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• pp.881-889
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• 2021

The purpose of this study is to descriptively reveal the demographic and business profile and personal-entrepreneurial characteristics in Manado, the capital of North Sulawesi, and secondly to associate these profiles and characters to their business progress. A sample size of 21 respondents was drawn - selected from those who warmly welcomed the interviewers for an open-ended structured questionnaire. SPSS 24 has been employed to descriptively reveal the sample distribution according to demographic factors and business entities and to determine the dominant factors affecting the progress of the business by testing the hypothesis on the association of variables under study using specified statistical analytical tools, such as regression analysis, especially stepwise regression formula, between specified dependent variables and independent variables and /or between all variables. The stepwise regression analysis has enabled the researcher to determine which variables are the most important reflecting the personal characteristics theorized as "locus of control": self-efficacy, needs for achievement, personal traits, and barriers to business progress The analysis reveals that the progress of business does have an association and is dependent on the source of capital and education, needs for achievement and locus of control.