• Research in Community and Public Health Nursing
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• v.26 no.2
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• pp.169-177
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• 2015

Purpose: Previous studies focused on the negative effects of Internet use such as obesity, depression, and addiction. However, few studies investigated whether the Internet use for an appropriate time has positive effects on adolescents' health. Thus, the purpose of the study was to examine the dose-response relationship between Internet use for non-academic purposes (NAP) and happiness/stress in adolescents. Methods: This study used data from the 2013 Korea Youth Risk Behavior Web-Based Survey. A total of 72,435 adolescents were included. Rao-Scott ${\chi}^2$ and multiple logistic regression were conducted. To test the dose-response relationship, this study examined how happiness/stress changed with increase in the time of Internet use for NAP. Results: After controlling for general characteristics, the odds ratios for being unhappy and stressful were lowest in adolescents using the Internet for NAP for more than 0 hour and less than an hour a day. Interestingly, students who did not use the Internet for NAP had a significantly higher risk of being unhappy/stressful than those using for more than 0 hour and less than an hour a day. Conclusion: Internet use for NAP for more than 0 hour and less than an hour a day has positive effects on happiness/stress in adolescents.

• Journal of Korean society of Dental Hygiene
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• v.18 no.3
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• pp.371-384
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• 2018

Objectives: The purpose of this study was to investigate the factors related to gingival symptoms by mental health factors among the adolescents in Korea. Methods: The data were used which were collected from the web-based survey of the National 2016 Korean Youth Risk Behavior of Korean Center for Disease Control. The study sample comprised of 65,528 adolescents in middle- and high schools. Data were analyzed using SPSS Ver. 20.0 and multiple regression analysis was conducted to identify the factors related to gingival symptoms by mental health factors. Results: The relationship between mental health factors and gingival symptoms were examined. And, subject characteristics about gingival symptoms were identified to be significant factors such as gender, grade, economic level, smoking and drinking status in all poor mental health groups. The number of brushing per day was related to the gingival symptoms for both good mental health groups and poor mental health groups. Conclusions: Mental health, characteristics, health behaviors of the adolescents should be considered when establishing the policies and institutions to improve oral health targeted adolescents.

• Journal of Korean society of Dental Hygiene
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• v.18 no.1
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• pp.115-124
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• 2018

Objectives: The purpose of this study was to investigate the correlation between soft drink consumption and subjective oral symptoms in Korean adolescents. Methods: Data of 65,528 adolescents were derived from the twelfth Korea youth risk behavior web-based survey, which was conducted from 1st June 2016 to 30th June 2016. Sociodemographic factors, dietary habit, and oral health behavior were collected as independent variables. The subjective oral symptoms were used as a dependent variable. The chi-square test and logistic regression analysis were performed to identify the correlation between dental caries and the other variables. Results: A multiple logistic regression analysis revealed that subjective oral symptoms were correlated with sex, age, subjective economic status, soft drink consumption, sweet drink consumption, tooth brushing frequency and dental sealant experience. Conclusions: Since the intake of soft drink adversely effects subjectively perceived oral symptoms in Korean adolescents, oral health education should include information on the pH levels of food and beverages including carbonated drinks, the effects of sugar on the teeth, and precautions to preventing tooth damage.

• Research in Community and Public Health Nursing
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• v.28 no.3
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• pp.240-250
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• 2017

Purpose: In South Korea, suicide mortality has rapidly increased, so it has become a major public health concern. Multicultural adolescents are regarded as a high-risk group due to their situation. In this study, we compared the prevalence and risk factors of suicide ideation between Korean and multicultural adolescents. Methods: Data from the eleventh Korean Youth Risk Behavior Web-based Survey (2015), collected by the Korean Centers for Disease Control and Prevention, were statistically analyzed using the descriptive statistics and multivariate logistic regression. The total participants were 63,376 in numbers. They were composed of 62,649 (98.9%) Korean and 727 (1.1%) multicultural adolescents. Results: I found that the prevalence of suicide ideation was significantly higher among the multicultural adolescents (15.8%) compared with those of Korean (11.3%). The risk factors of suicide ideation in the Korean group were co-residence without family, poor perceived health status, depressive mood, high stress level, poor perceived happiness level, and experience of violence. Conversely, the risk factors of the multicultural group were smoking, depressive mood, and experience of violence. Conclusion: These findings suggest that appropriate and practical prevention strategies should focus on psychological and environmental factors in order to prevent suicide ideation and reduce suicide behavior in Korean and multicultural adolescents.

• Korean Journal of Health Education and Promotion
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• v.34 no.1
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• pp.67-76
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• 2017

Objectives: The purpose of this study was to investigate factors that influence problematic drinking among adolescents in South Korea. The first aim of this study was to examined the problematic drinking status according to ocio-demographics characteristics, mental-health, and health behavior factors. The second aim was to identify factors affecting problematic drinking. Methods: Using statistics from the $11^{th}$(2015) Korea Youth Risk Behavior Web-based Survey, any variations among the subjects were presented by percentages and analyzed by $x^2$-tests, and then logistic regression analysis was conducted. Results: In the final model, gender, economic status, weekly allowance, father's education level, experience of sadness, smoking, and consumption of high-caffeine drinks were all significantly associated with problematic drinking. Conclusions: Awareness of teenagers regarding the potential health effects of problematic drinking, in particular in regards to mixing smoking and high-caffeine drinks with consumption of alcoholic beverages, should be increased through health education. Teenagers need to be taught the physical and mental dangers of drinking. A program that can teach proper drinking habits and prevent excessive drinking is needed. It should be a national matter just like the smoking policy.

• Journal of Korean society of Dental Hygiene
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• v.19 no.6
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• pp.951-961
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• 2019

Objectives: This study aims to evaluate how the amount and duration of smoking effects the bleeding and pain of gingival among adolescents in Korea while also taking into consideration the impact of drinking. Methods: Data were utilized from a web-based survey of youth health behaviors conducted by the Korean Center for Disease Control and Prevention in 2016. The subjects of the study included 65,528 adolescents from middle and high schools. As dependent variables, bleeding and pain of gingival were used. Data were analyzed using the SPSS Version 20.0 program. Results: After adjusting for the general characteristics and oral health behaviors of the subjects, in the long-term, the ≥0.52 PY group (heavy smoker) experienced 1.28 times higher bleeding and pain of gingival than the <0.52 PY group (light smoker) among adolescents who smoke and drink at the same time. Adolescents who smoked without drinking did not show any difference on bleeding and pain of gingival according to the amount of smoking in the short- and long-term. However, the findings reveal that there was a difference on bleeding and pain of gingival according to tooth brushing frequency. Conclusions: In order to promote the periodontal health of adolescents, it is argued that programs and projects should be implemented to prevent, educate, and control simultaneous behaviors of smoking and drinking.

• The Journal of Korean Society for School & Community Health Education
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• v.19 no.1
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• pp.111-125
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• 2018

Objectives: The aim of this study was to identify differential impacts on smoking and drinking behaviors according to early menarche. Methods: 31,277 Korean female adolescents who had undergone menarche were included. Among them, 1,822 participants(5.8%) who experienced menarche in elementary school under 4th grade were assigned to early menarche group and others were was assigned normal menarche group. Using 11th(2015) Korea Youth Risk Behavior Web-based Survey, logistic regression analysis was conducted. Results: Adjusted confounding variables were analyzed and it was found that both drinking and smoking behaviors were higher in early menarche group. The participants with early menarche showed higher risk of non-daily smoking(OR=1.39, 95%CI=1.18-1.63), light daily smoking(OR=1.64, 95%CI=1.14-2.35) and moderate-to-heavy daily smoking(OR=3.15, 95%CI=2.02-4.92). Also, in the drinking behaviors, the risk of light and heavy drinking was higher than those of normal menarche group. Conclusions: Finding of this study showed Early menarche adolescents were associated with heavy smoking and drinking behaviors compared to normal menarche. Further studies are needed more evaluations.

• Korean Journal of Psychosomatic Medicine
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• v.26 no.1
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• pp.44-50
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• 2018

Objectives : Insufficient sleep could have harmful effects on mental health. We examined the mental health status of Korean adolescents according to daily sleep time and subjective sleep satisfaction using a nationwide representative sample of Korean adolescents. Methods : Data from the 2016 Korean Youth Risk Behavior Web-based Survey was used. Sleep duration on weekdays and subjective sleep satisfaction during the past week were asked. Participants' perceived health, happiness, stress, depressive mood, and suicidality during past 12 months were also investigated. Participants were classified by mean duration of daily sleep time and the level of sleep satisfaction, and the odds of having mental health problems were compared. Results : Compared to adolescents who slept more than 6 hours per day and satisfied with their sleep, adolescents who slept less than 6 hours per day and/or dissatisfied with their sleep were less likely to perceive themselves healthy and happy. They were also more likely to have severe stress, depressive mood, and suicidality, with highest odds ratios among adolescents with both short and dissatisfying sleep. Conclusions : Given the significant associations between sleep insufficiency and mental health problems, attention to the sleep shortage among Korean adolescents is needed. Prospective studies are warranted to elucidate the causal relationships between subjective and objective sleep insufficiency and psychiatric conditions.

• KIEAE Journal
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• v.14 no.4
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• pp.103-109
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• 2014

The purpose of this study was to evaluate the usability and satisfaction of space to which positive elements in Leed-Certified Office Building are applied. The study was conducted using the three-step approach. The first step was to understand the building and identify the issues which included the analysis of floor plans, documentations, and the interview with designers and facility managers. The second step was FGI(Focus Group Interviews), which were conducted with mixed employees of rank and location of workplace. Finally, a web-based questionnaire survey was conducted on the 319 executives and employees. Methods of analysis used were quantitative analysis of questionnaire, qualitative analysis of open ended free-answer, and FGI in the second step. Satisfaction, preference, and comfort level were studied using cross tab, co-relation, ANOVA for quantitative analysis. The results of this study are as follows: First, lobby and atrium are representative elements that are functioning positively and it is recognized as sustainable spaces being utilized by users. Second, there are several dead spaces like green shaft, roof garden and sunken space although they can contribute to Leed-certification. Third, there are some problematic spaces such as the O.A. room and the urinals even though they contribute to the Leed-certification.

• Journal of the Korean Society of School Health
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• v.31 no.1
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• pp.39-47
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• 2018

Purpose: The purpose of this study was to investigate the effect of eating behaviors on subjective happiness of adolescents in South Korea. Methods: This study is a cross-sectional study. Using the statistics of the 13th (2017) Korea Youth Risk Behavior Web-based Survey, multiple logistic regression was conducted. The study sample comprised 62,276 middle and high school students aged primarily 12 to 17. Results: The rate of skipping breakfast more than five days per week was 31.5%, the rate of eating fast food more than three times per week was 20.5%, the rate of eating ramen more than three times per week was 25.9%, and the rate of eating at a convenience store more than three times per week was 26.0%. The eating behaviors affecting the subjective happiness of Korean adolescents were skipping breakfast and eating at a convenience store. Conclusion: In order to improve the negative eating behaviors that affect the subjective happiness of adolescents, various efforts will be needed at various levels such as home, school, community, and country.