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On Study for the KANBAN System OF Car Parts Manufacturers (자동차 부품사들의 간판방식 사례 연구)

  • Lee, Jong-Hyung;Lee, Youn-Heui
    • Journal of the Korean Society of Industry Convergence
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    • v.6 no.4
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    • pp.413-420
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    • 2003
  • We can take 'Profit security', in the field Process improvement activity and man-power upgrade in the learning of organization activity or upgrading ability of each peoples. After Tayler System(Scientific Management in1911) and Ford System(Conveyor system in 1913), Toyota System(Ohno's TPS; Toyota Production System around 1980) which was developed by Toyota in Japan in the third productive revolution. This thesis study on the focus of 2 successful examples(P and S companies in Seong-Seo industrial complex Tae-Gu city) which introduce Toyota system can apply to VM(Visual Management), 3jeong(Right Products Right Quantity, Right Box and Right Position)5S(Seiri, Seiton, Seisoh Seiketsu, Sitsuke), JIT(Just In Time), KAIZEN(Improvement), KANBAN System(Logistic) and output of Factory. For examples P company obtained a lot of results(productivity increase 19%, Quality up 46%-36ppm, storage decrease 25% per year), S company obtained a lot of results(productivity increase 20%, Quality up 40%, storage decrease 33% per year, 2600 improvements in 2002. In conclusion Korean KANBAN system (modified Toyota System) is similar to exchange of work as Korean traditional system in agriculture as like dure 'PUMASHI' SANGBU-SANJO) that's autonomous management systems. In conclusion Korea KANBAN system needs apply to not only all the manufacturing industry but also the various fields of industry.

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Factors for Suicidal Ideation in Middle School Students by Gender

  • Chaung, Seung-Kyo;Kim, Chun-Gill;Yang, Soo;Lee, So Young
    • Journal of the Korean Society of School Health
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    • v.29 no.3
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    • pp.267-276
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    • 2016
  • Purpose: This study was conducted to identify the factors of suicidal ideation in middle school students by gender, and to announce the necessity of gaining upon a socio-cultural comprehension-based approach. Methods: Three middle schools were randomly selected from a pool of 21 middle schools in S City, and were stratified by school and grade. A total of 878 students were included in the analysis. Multiple logistic regression analysis was conducted to identify the factors that affect suicidal ideation by gender. Results: Suicidal ideation and depression scores of the female students were over twofold higher than those of the male students. The factor that was found to affect suicidal ideation in the male students was depression while for the female students the factors were visiting suicide-related websites, having friends who attempted to commit suicide, depression, and poor communication with one's parents. Conclusion: The findings in this study support gender differences in suicidal ideation, and suggest that building socio-cultural environments are needed to abate their negative emotions and to help youth find out their reasons to live.

The Prevalence of Asthma, Allergic Rhinitis, and Atopic Dermatitis in Elementary School Students according to the Body Mass Index (초등학생의 체질량지수 분류에 따른 천식, 알레르기비염, 아토피피부염 유병률)

  • Chang, Chong Mi;Chun, Sang Hee;Choi, Jin Yi
    • Research in Community and Public Health Nursing
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    • v.26 no.3
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    • pp.230-237
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    • 2015
  • Purpose: This study aimed to assess the prevalence of asthma, allergic rhinitis, and atopic dermatitis in elementary school students according to the body mass index. Methods: This study was conducted as cross-sectional descriptive research using a structured questionnaire. Data were collected from 6,398 students at 15 elementary schools located in Y City in Korea. The cross-sectional survey used the Korean version of International Study of Asthma and Allergies in Childhood questionnaire. Logistic regression analysis was performed to estimate the odds ratios of body mass index. Results: The symptom prevalence of asthma, allergic rhinitis, and atopic dermatitis in the last 12 months was 12.4%, 49.5%, and 24.5%, respectively. The symptom prevalence of asthma was significantly higher in the obesity group. The number of those without any asthma symptom in lifetime was significantly smaller in the overweight (OR=0.70, p=.004) and obesity (OR=0.57, p=.005) groups than in the healthy weight group. Conclusion: These results suggest that asthma, allergic rhinitis, and atopic dermatitis prevention programs for elementary school students should include weight control intervention.

Analysis on Non-malignant Respiratory and Drowsiness Rate Symptom for Passengers Using Subway in Seoul (서울 지하철을 이용하는 승객들의 비악성 호흡기질환과 졸음 증상 유병물 분석)

  • Park, Dong-Uk;Jin, Ku-Won;Yoo, Kyong-Nam
    • Journal of Environmental Health Sciences
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    • v.32 no.5 s.92
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    • pp.412-417
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    • 2006
  • A self-administrated non-malignant respiratory symptoms questionnaire was sent to 1,099 citizens who take subway running in Seoul city. Symptom prevalence rate was high: 70.6% of subjects reported 'chest tightness', 43.4%, 'dysphnea'; 76.2%, 'dry cough'; 49.5%, 'runny nose'; 94.4%, 'drowsiness' when they take subway. The groups responding significant higher respiratory and drowsiness symptoms were 'young passengers' (vs elderly passengers), 'the female' (vs male), 'using subway everyday' (vs often), 'using subway for rush-hour time' (vs other than rush-hour), 'using transfer subway' (no transfer), 'using underground track' (vs ground track). Logistic. regression model was employed to find personal and subway characteristics affecting non-malignant respiratory symptoms. This study concluded that respiratory diseases history such as asthma, rhinitis, sinusitis, hypersensitivity pneumonitis significantly affect 'dry cough' and 'runny nose'. Thus, passengers with respiratory diseases history shows 2.8 times greater 'dry cough' than and 3.4 times greater 'runny nose' than those passengers without respiratory diseases history felt. This results indicated that several measures have to take to protect sensitive groups such as passengers with respiratory diseases, children and elderly people. Also passenger who use to transfer shows 1.7 times higher runny nose symptoms than that passenger who do not transfer felt.

Factors Associated with Stages of Exercise Behavior Change Applying the Transtheoretical Model in Upper Grade Elementary Students (범이론적 모형에 근거한 일부 초등학교 고학년 아동의 운동행위 변화단계 관련요인)

  • Park, Il-Soon;Park, Jong;Ryu, So-Yeon;Kang, Myung-Geun
    • Korean Journal of Health Education and Promotion
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    • v.28 no.3
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    • pp.67-82
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    • 2011
  • Objectives: The purpose of this study was to identify the factors influencing the stages of exercise behavior change after adjusting for related covariates. Methods: Participants included 362 of fourth to sixth graders in 3 elementary schools in a metropolitan city in Korea. The data were collected using structured questionnaire included Korean Stages of Change Scale for Exercise. Results: Logistic regression results showed that the motivational factors associated with transition from precontemplation to contemplation were cognitive process of change, self-reevaluation, conscious raising; regarding that from contemplation to preparation, cons of the decisional balance; regarding those from preparation to action, behavioral process, counter-conditioning, stimulus control, which were very similar to the results of previous researches subjected other age groups. But, there was no motivational factors associated with from action to maintenance, and self-efficacy had no influence on forwarding stages of change. Conclusions: TTM would be applicable to explain the exercise behavior of some children in Korea, which suggested that it be useful in developing the programs to improve physical activities of Korean school children.

Factors Influencing the Obesity of Senior Elementary Students (초등학교 고학년 아동의 비만에 영향을 미치는 요인)

  • Kang, Seo-Young;Ryu, Hyun-Sook;Cho, In-Sook
    • Korean Journal of Health Education and Promotion
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    • v.27 no.1
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    • pp.35-48
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    • 2010
  • Objectives: This study was to identify the food habits, dietary attitudes and exercise habits of senior elementary students and provide basic data for the development an obesity management program for these children. Methods: The survey participants were 626 fourth to sixth grade elementary students in G city. Data were analyzed by descriptive statistics, χ2-test, t-test, ANOVA and multiple logistic regression. Results: The prevalence of obesity was 9.1%. The score of food habits and dietary attitudes at normal-weight group was higher than that of obese group. The food habits of obese group were significantly different according to gender and consideration eating between meals too often as bad habits. The dietary attitudes were significantly different according to interest in obesity control and consideration eating fast and fat food preference as bad habits in obese group. The factors such as grade, intension in weight control and consideration eating fast, overeating, fat food preference and predilection for some food as bad habits were related to obesity. Conclusion: Food habits and dietary attitudes have relation with obesity of senior elementary students. Thus, to develop of obesity management program for senior elementary students, we considered the food habits and dietary attitudes of them.

Hot Flashes and Hypogonadism Symptoms in Patients with Prostate Cancer Receiving Hormone Replacement Therapy (호르몬요법을 받는 전립선암 환자의 안면홍조와 남성호르몬 저하 증상)

  • Park, Hyun Hye;Park, Jeong Sook
    • Korean Journal of Adult Nursing
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    • v.26 no.2
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    • pp.159-170
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    • 2014
  • Purpose: This research investigated the degree and predictors of hot flashes and hypogonadism symptoms in patients with prostate cancer receiving hormone replacement therapy. Methods: The subjects were 111 patients with prostate cancer receiving hormone replacement therapy in two university hospitals located in D city. The measurement tools included Hot Flash Diary and AMS (Aging Male's Symptoms rating scales). The data were analyzed using t-test, ANOVA, and binary logistic regression analysis. Results: The percentage of patients who experienced hot flashes among the participants was 14.4%. The predictors for hot flashes were eating irregularly, having coffee frequently and the types of hormone. The average score of hypogonadism symptom was 2.16 out of five-point scale and the highest score of hypogonadism symptom was the sexual symptoms (2.77 out of five-point scale). The predictors for hypogonadism symptom were eating habits and years of having the illness. Conclusion: These findings provide the information that irregularly eating habit was an important factor in hot flashes and hypogonadism symptoms of the participants. Therefore the development of a nutritional education encouraging regular meals is necessary for the given population.

Family Context Factors and the Risk of Smoking among Male Adolescents in Saudi Arabia

  • Al-Zalabani, Abdulmohsen H
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.14
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    • pp.5847-5852
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    • 2015
  • Background: Smoking behavior is related to numerous factors, including psychosocial parameters. This study investigated the association between family context factors and smoking among male adolescents. Materials and Methods: A cross-sectional, school-based study was conducted during 2014. The study sampled 900 students from intermediate and secondary schools in Madinah City, Saudi Arabia. Data concerning smoking status, sociodemographic, parental and friends' smoking behavior, and family factors were collected using a self-administered questionnaire. These data were employed to estimate the prevalence of smoking using appropriate statistical analyses including multivariate logistic regression. Results: Of 900 students, 870 completed the study questionnaire (96.7%). Of the respondents, 181 students (20.8%, 95% CI=18.1%-23.5%) were current smokers, and a much higher prevalence was observed among adolescents with most or all of their friends smoking (48.1%) and those living with neither parent (47.4%). The adjusted risk of smoking increased significantly among adolescents who lived with neither parent (OR=3.3; 95% CI=1.1-9.2) and among those who reported little or no parental supervision (OR=1.5; 95% CI=1.0-2.1). Conclusions: Family context factors are associated with an increased risk of smoking behavior among male adolescents in Saudi Arabia.

Effects of Attitude, Social Influence, and Self-Efficacy Model Factors on Regular Mammography Performance in Life-Transition Aged Women in Korea

  • Lee, Chang Hyun;Kim, Young Im
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.8
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    • pp.3429-3434
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    • 2015
  • Background: This study analyzed predictors of regular mammography performance in Korea. In addition, we determined factors affecting regular mammography performance in life-transition aged women by applying an attitude, social influence, and self-efficacy (ASE) model. Materials and Methods: Data were collected from women aged over 40 years residing in province J in Korea. The 178 enrolled subjects provided informed voluntary consent prior to completing a structural questionnaire. Results: The overall regular mammography performance rate of the subjects was 41.6%. Older age, city residency, high income and part-time job were associated with a high regular mammography performance. Among women who had undergone more breast self-examinations (BSE) or more doctors' physical examinations (PE), there were higher regular mammography performance rates. All three ASE model factors were significantly associated with regular mammography performance. Women with a high level of positive ASE values had a significantly high regular mammography performance rate. Within the ASE model, self-efficacy and social influence were particularly important. Logistic regression analysis explained 34.7% of regular mammography performance and PE experience (β=4.645, p=.003), part-time job (β=4.010, p=.050), self-efficacy (β=1.820, p=.026) and social influence (β=1.509, p=.038) were significant factors. Conclusions: Promotional strategies that could improve self-efficacy, reinforce social influence and reduce geographical, time and financial barriers are needed to increase the regular mammography performance rate in life-transition aged.

Factors associated with Life Satisfaction among Older Adults in Korea according to Living Arrangements (거주형태에 따른 한국 노인의 삶의 만족도 관련 요인)

  • Lee, Si Eun
    • Korean Journal of Adult Nursing
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    • v.28 no.6
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    • pp.659-668
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    • 2016
  • Purpose: This study utilized secondary data and investigated the factors associated with life satisfaction by living arrangements among community-dwelling adults aged 65 years or older in Korea. Methods: A total of 2,134 participants were selected from the 2014 Korean Longitudinal Study of Aging (KLoSA). Univariable and multivariable logistic regression were used for data analysis. Results: The significant factors associated with life satisfaction in older adults living with others were education level (odds ratio [OR] 1.73, 95% confidence interval [CI] 1.41~2.11), place of residence in medium-size city (OR 1.57, 95% CI 1.25~1.97), place of residence in rural town(OR 1.52, 95% CI 1.19~1.95), depression (OR 2.99, 95% CI 2.43~3.68), frequency of contact with neighbors (OR 1.39, 95% CI 1.10~1.76), and social participation (OR 1.48, 95% CI 1.14~1.93). In contrast, factors associated with life satisfaction among older adults living alone were education level (OR 1.93, 95% CI 1.15~3.24) and depression (OR 2.49, 95% CI 1.48~4.19). Conclusion: These findings indicated that nursing interventions for improving life satisfaction among older adults should take into account their specific living arrangements.