• Title/Summary/Keyword: T-test analysis

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Predictors of Suicidal Attempts in Adolescents over 5 Years after Dropout Experience: A Longitudinal Study (청소년들의 학업중단 경험 이후 5년 동안 자살시도 예측요인: 종단연구)

  • Park, Hyunju
    • Journal of the Korean Society of School Health
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    • v.34 no.3
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    • pp.151-160
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    • 2021
  • Purpose: The purpose of this study was to identify predictors of suicidal attempts in adolescents over 5 years after school dropout. Methods: The data of the Panel Survey of School Dropouts (of 2013 to 2017) conducted by the National Youth Policy Institute were analyzed. The analysis used the 2013 survey data as the baseline and examined suicidal attempts from 2013 to 2017. A total of 776 adolescents were included in the analysis. Descriptive statistics, 𝝌2 test, t-test, and multiple logistic regression were carried out using SAS 9.2. Results: About 11% (87 out of 776) of the adolescents with an experience of dropout attempted suicide between 2013 and 2017. The risk of suicidal attempts was significantly lower in female (AOR: 0.57, 95% CI: 0.87~0.93) than in male adolescents. The higher the self-esteem, the lower the risk of suicidal attempts (AOR: 0.87. 95% CI: 0.78~0.97). The higher the depression level (AOR: 1.10, 95% CI: 1.05~1.16) and the rate of parental abuse (AOR: 1.09, 95% CI: 1.02~1.18), the higher the risk of suicidal attempts. Conclusion: The findings of the study suggest that those who are male, depressed, have low self-esteem or have been abused by their parents are at high risk of suicidal attempts among the adolescents with dropout experiences. Therefore, early intervention is necessary for those at high risk.

Factors Affecting Occupational Health of Shift Nurses: Focusing on Job Stress, Health Promotion Behavior, Resilience, and Sleep Disturbance

  • Choi, Da-Som;Kim, Sang-Hee
    • Safety and Health at Work
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    • v.13 no.1
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    • pp.3-8
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    • 2022
  • Background: This study aims to allow the development of efficient measures to improve occupational health of shift-working nurses focusing on job stress, health promotion behavior, resilience, and sleep disturbance. Methods: It was conducted on a subject panel of 137 nurses who were aware of the purpose of the study and agreed to participate. They worked three shifts at a tertiary hospital or a general hospital located in metropolitan city B. The collected data were analyzed by the independent t test and one-way analysis of variance and post-tested by Scheffe's test, Pearson's correlation coefficients, and multiple linear regression analysis using SPSS/WIN 25.0. Results: The significant influencing factors on sleep disturbance were of those whose subjective health status was 'normal' (b = 0.29, p < .001), 'not healthy' (β = .40, p < .001), who have job stress (β = .22, p = .003), and who have health promotion behavior (β = -0.17, p = .023). The overall explanatory power was 31.1% (F = 16.31, p < .001). Conclusion: Through this study, nurses' subjective health status and job stress of working shifts were found to be important factors influencing the sleep disturbance level, and the most influencing factor was identified as the subjective health status.

The Influence of Nurses' Osteoporosis Knowledge and Health Behavior Self-efficacy on Preventive Nursing Performance for Osteoporosis (간호사의 골다공증 지식, 건강행위 자기효능감이 골다공증 예방간호수행에 미치는 영향)

  • Park, Bona;Park, Myung Sook
    • Journal of muscle and joint health
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    • v.28 no.2
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    • pp.192-199
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    • 2021
  • Purpose: This study aimed to identify the influence of osteoporosis knowledge and health behavior self-efficacy on preventive nursing performance for osteoporosis. Methods: The participants of this study were 150 nurses working in 4 general hospitals. The data were collected during October 2019 using written questionnaires. General characteristics, osteoporosis knowledge, health behavior self-efficacy, and preventive nursing performance for osteoporosis were analyzed using means and standard deviation, t-test, ANOVA, Scheffé test, Pearson's correlation and multiple regression analysis. Results: As a result of multiple regression analysis, the factors affecting preventive nursing performance included osteoporosis prevention education (β=.16, p=.034) and health behavior self-efficacy (β=.51, p<.001). The explanatory power of the model was 31.5%(F=10.94, p<.001). Conclusion: It was found that the experiences of osteoporosis prevention education and health behavior self-efficacy influenced preventive nursing performance for osteoporosis.

Mediation Effects of Academic Self-efficacy on the Relationship between Self-determination and Self-directed Learning in Nursing Students (간호대학생의 자기결정성이 자기주도학습능력에 미치는 영향: 학업적 자기효능감의 매개효과를 중심으로)

  • Han, Mi Ra;Ryu, Jeong Lim;Kim, Shin Hee
    • The Journal of Korean Society for School & Community Health Education
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    • v.23 no.2
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    • pp.39-50
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    • 2022
  • Objectives: This study aimed to confirm the association between self-determination and self-directed learning among Korean nursing students, as well as the mediating effect of academic self-efficacy. Methods: Data from 139 nurse students were surveyed in this descriptive cross-sectional study. They were collected from Oct 1 to 30, 2020, using self-report questionnaires. The collected data were analyzed using descriptive statistics, independent t-test, one-way analysis of variance, Scheffé test, Pearson's correlation coefficient analysis, and mediated model for PROCESS macro using the SPSS/WIN 24.0. Results: Self-directed learning was positively associated with self-determination (r=.56, p<.001) and academic self-efficacy (r=.63, p<.001). Furthermore, academic self-efficacy had a mediating effect on the relationship between self-determination and self-directed learning (B=0.21, 95% CI=0.12~0.32). Conclusion: The impact of self-determination on the self-directed learning among nursing students was mediated by academic self-efficacy. Therefore, these results provide important data for future self-directed learning in nursing education.

Effects of Nutrition Education on Dietary Knowledge, Dietary Attitudes and Dietary Behavior of Elderly (노인 대상 영양교육이 식생활지식, 태도 및 행동에 미치는 효과)

  • Hyewon Shin;Inok Lee;Jiwon Kim;Yulee Shin
    • The Korean Journal of Food And Nutrition
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    • v.36 no.2
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    • pp.153-162
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    • 2023
  • The purpose of this study was to evaluate the effect of nutrition education on dietary knowledge, dietary attitudes, and dietary behavior of elderly by analyzing changes before and after nutrition education. This study was conducted in Seoul from March 2022 to December 2022 for 50 elderly (6 male, 44 female) who participated in nutrition education for 8 weeks at three senior welfare centers (Seodaemun, Seongbuk, Jongno). A total of 35 responses were used in the final analysis. Statistical analysis was conducted using descriptive statistics, paired t-test, and Wilcoxon's signed rank test by age, hypertension, and dislipidemia to find effect of nutrition education on their nutritional knowledge, dietary attitudes, and dietary behavior. Results showed that nutrition education had a significant effect on the elderly. In particular, for those with chronic diseases such as hypertension and dislipidemia, the difference after education was significant, indicating significant changes in dietary habits. This study is expected to provide basic data for the development of a systematic nutrition education program for the elderly in the future.

Study of the relationship between class satisfaction and self-directed learning with in person and on-line classes: focused on the major classes of the department of dental technician of K university (대면수업과 온라인수업에 따른 수업 만족도와 자기주도 학습능력의 관계: K 대학 치기공학과 전공과목을 대상으로)

  • Soon-Suk Kwon
    • Journal of Technologic Dentistry
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    • v.44 no.4
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    • pp.132-143
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    • 2022
  • Purpose: The study aims to analyze differences in the satisfaction level of dental technology students regarding in-person and online classes. It also aims to provide fundamental resources for the improvement of major subject class methods that will improve students' self-directed learning abilities, thereby affecting their class satisfaction. Methods: In this study, a self-administered questionnaire was conducted from November 8 to November 30, 2021, for 256 dental technology students. The collected data were analyzed using the IBM SPSS Statistics ver. 21.0 statistical program. Frequency and percentage, mean, standard deviation, t-test, ANOVA, post-hoc test, correlation analysis, and linear regression analysis were performed to analyze the data. Results: In the self-directed learning abilities, the attitude of the learners was shown to have the highest positive (+) correlation in both in-person and online classes, with a statistically significant effect (p<0.001) on class satisfaction in major subject classes. Moreover, the explanatory power of the model was 52.2% and 39.7%, respectively. Conclusion: We concluded from the study that there is a need for professors to improve teaching methods to increase learners' self-directed learning competence, through problem-based learning, discussion learning, team-based collaborative learning, and mentor-mentee learning, thereby enabling learners to lead classes themselves.

Effects of Sleep Quality, Rehabilitation Motivation, Depression, and Anxiety on Quality of Life in Occupational Accident Patients (산업재해 환자의 수면의 질, 재활동기, 우울, 불안이 삶의 질에 미치는 영향)

  • Heo, Su Ji;Kim, Hyun Kyoung
    • Journal of East-West Nursing Research
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    • v.29 no.1
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    • pp.15-23
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    • 2023
  • Purpose: The purpose of this study was to identify the effect of sleep quality, rehabilitation motivation, depression, and anxiety on quality of life in occupational accident patients. Methods: The participants were 138 patients who in and outpatient treatment at a hospital affiliated with the Korea Workers' Compensation and Welfare-service Hospital located in Daegu and Daejeon. Data were analyzed by independent t-test, ANOVA, Scheffé test, Pearson's correlation coefficients, and hierarchical multiple regression analysis using SPSS/WIN 25.0 program. Results: Quality of life had a significant negative correlation with sleep quality, depression, and anxiety, respectively, but had a significant positive correlation with rehabilitation motivation. Hierarchical multiple regression analysis showed that anxiety was a major factor affecting the quality of life of occupational accident patients. Anxiety showed 42.7% of explanatory power for the quality of life of occupational accident patients. Conclusion: Based on the results of this study, in order to improve the quality of life of patients with occupational accidents, psychological interventions for anxiety should be provided first in the early stage of treatment.

Differences in Preschool Children's Perceptions of Artificial Intelligence according to their Experiences with AI Robots in daycare centers (어린이집내 인공지능 로봇 사용경험 여부에 따른 유아의 인공지능 인식 차이)

  • Boram, Lee;Soojung, Kim
    • Korean Journal of Childcare and Education
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    • v.19 no.2
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    • pp.43-59
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    • 2023
  • Objective: This study investigated the differences in preschool children's perceptions of artificial intelligence (AI) and their distribution by latent profiles according to their experience with AI robots in daycare centers. Methods: The participants included 119 five-year-old children, 52 of whom had experience with AI robots in daycare centers and 67 of whom did not. Children's perceptions of AI were measured using the Godspeed scale from Bartneck et al.(2009). Data were analyzed using a t-test, latent profile analysis, and chi-square test. Results: The results showed that compared to the inexperienced group, the experienced group reported lower levels of animacy and perceived intelligence of AI robots, indicating higher levels of AI knowledge and understanding. In addition, the experienced group had a higher probability of belonging to the 'machine recognition' type than 'organism recognition' type, although the difference was not statistically significant. Conclusion/Implications: The findings suggest that experience with AI robots in daycare centers can improve children's AI knowledge and understanding. To further enhance this effect, it is necessary to increase the number of robots put into classrooms, and to consider various teaching media that reflect children's preferences.

Analysis of instrument exercise using IMU about symmetry

  • Yohan Song;Hyun-Bin Zi;Jihyeon Kim;Hyangshin Ryu;Jaehyo Kim
    • International Journal of Advanced Culture Technology
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    • v.11 no.1
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    • pp.296-305
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    • 2023
  • The purpose of this study is to measure and compare the balance of motion between the left and right using a wearable sensor during upper limb exercise using an exercise equipment. Eight participants were asked to perform upper limb exercise using exercise equipment, and exercise data were measured through IMU sensors attached to both wrists. As a result of the PCA test, Euler Yaw(Left: 0.65, Right: 0.75), Roll(Left: 0.72, Right: 0.58), and Gyro X(Left: 0.64, Right: 0.63) were identified as the main components in the Butterfly exercise, and Euler Pitch(Left: 0.70, Right 0.70) and Gyro Z(Left: 0.70, Right: 0.71) were identified as the main components in the Lat pull down exercise. As a result of the Paired-T test of the Euler value, Yaw's Peak to Peak at Butterfly exercise and Roll's Mean, Yaw's Mean and Period at Lat pull down exercise were smaller than the significance level of 0.05, proving meaningful difference was found. In the Symmetry Index and Symmetry Ratio analysis, 89% of the subjects showed a tendency of dominant limb maintaining relatively higher angular movement performance then non-dominant limb as the Butterfly exercise proceeds. 62.5% of the subjects showed the same tendency during the Lat pull down exercise. These experimental results indicate that meaningful difference at balance of motion was found according to an increase in number of exercise trials.

Analysis of Satisfaction and Repurchase Intention for Women's Leggings by Demographic Characteristics (인구통계학적 특성에 따른 여성 레깅스 만족도 및 재구매 의도 분석)

  • Park, Younghee
    • Journal of Fashion Business
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    • v.26 no.2
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    • pp.67-82
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    • 2022
  • This study was aimed to investigate the differences in satisfaction and repurchase intention of leggings focused on women who have ever worn leggings. The participants were women in their 10s-50s who were residing in Busan and Gyeongnam, Korea. The survey was taken between July 3rd and 28th, 2021. A total of 313 questionnaires were completed and used in the statistical analysis. The data were analyzed with 𝛘2-test, t-test, ANOVA, etc. using the SPSS. The leggings wearing by demographic characteristics were significantly different for age, monthly income, and occupation. The factors related to leggings postpurchase satisfaction were identified as reshaping body type and utilization, wearing sensation and functionality, design and price, colorfastness to laundry, and quality. As a result of analyzing the difference for leggings postpurchase satisfaction by demographic characteristics, colorfastness to laundry, and quality were significantly different by marital status, reshaping body type and utilization, design and price, and colorfastness to laundry, and quality were significantly different by age. All postpurchase satisfaction factors were significantly different by monthly income. Design and price, colorfastness to laundry, and quality were significantly different by occupation. The variables influencing the level of leggings satisfaction were wearing sensation and functionality, followed by design and price, reshaping body type and utilization, and colorfastness to laundry and quality. The repurchase intention of leggings was significantly different by age and monthly income. The variables influencing repurchase intention of leggings were design and price, followed by reshaping body type and utilization.