• Journal of Preventive Medicine and Public Health
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• 제53권6호
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• pp.419-428
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• 2020

Objectives: Adolescent suicide is a global problem. This study aimed to identify associations between parental marital status and suicidal behavior. Methods: This study analyzed 118 715 middle and high school students from the 13th and 14th Korea Youth Risk Behavior Web-based Survey. The odds ratios (ORs) of suicidal ideation, planning, and attempts were calculated based on parental marital status, living situation, and socioeconomic factors. The data were analyzed using multiple logistic regression. Results: When compared to those living with 2 married biological parents, the ORs of suicidal ideation among adolescents living with either remarried or no parents were 1.34 (95% confidence interval [CI], 1.17 to 1.53) and 1.36 (95% CI, 1.11 to 1.66), respectively. For suicidal planning, the OR of those living with 1 remarried biological parent was 1.24 (95% CI, 1.01 to 1.52), and that of those living without parents was 1.28 (95% CI, 0.95 to 1.73), when compared to adolescents living with 2 married biological parents. For suicide attempts, when compared to adolescents with 2 married biological parents, the OR of those living with 1 remarried biological parent was 1.48 (95% CI, 1.17 to 1.87) and that of those living without parents was 2.02 (95% CI, 1.44 to 2.83). For adolescents living with 1 remarried biological parent, suicidal behavior was strongly associated with having no siblings and were weakly associated with not living with grandparents. Conclusions: Suicidal behavior among adolescents was associated with the remarriage and loss of parents. Therefore, special attention and interventions are needed for adolescents in those situations.

• 한국학교보건학회지
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• 제29권1호
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• pp.42-52
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• 2016

Purpose: The purpose of this study was to examine effects of school-based alcohol prevention programs on drinking statuses of adolescents. Methods: The findings of this study was based on the data obtained from the '2015 11th Korea Youth Risk Behavior Web-based Survey. The number of study subjects were 68,043. Results: It was figured that 35.6% of the study subjects had experienced school-based alcohol prevention programs within the last 12 months. As the students got older, the chances to participate in the programs decreased (p<.01). For both middle and high school students, current drinking rates for the educated was lower than those of the uneducated students(6.6% vs 8.0%; 22.2% vs 25.9%) and it was statistically significant. A similar pattern was found for high-risk drinking rates. Those educated showed lower rates than the uneducated with statistical significance of p<.001. In addition, the educated had lower problem drinking rate than the uneducated for both middle (p<.05) and high school students (p<.001). The results of logistic regression analysis showed that school-based alcohol prevention programs had statistically significant effect on current drinking status of adolescents (p<.05). However, it had significant effect only on high-risk drinking status of high school students (p<.05) and had no effect on problem drinking. Conclusion: This study addressed effectiveness of school-based adolescent alcohol prevention programs and that it is important to develop means to implement school health education.

• 치위생과학회지
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• 제22권3호
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• pp.171-179
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• 2022

Background: In this study, we investigated the changes and factors that affect daily health behaviors due to COVID-19 among adolescents. We intend to provide basic data so that a systematic and comprehensive health education program that includes physical and oral health can be made. Methods: This study was a secondary data analysis of the from the 2019 and 2020 Korea Youth Risk Behavior Web-based Survey. A final sample of 112,251 participants was anlayzed using chi-square test, and ordinal logistic regression. Results: In the case of tooth brushing, the frequency of 'never' increased in most general characteristics compared to before COVID-19. In the case of handwashing, it was found that handwashing behavior increased (increased) after COVID-19 compared to before COVID-19. As a result of confirming the factors affecting tooth brushing behavior before and after COVID-19, it was found that girls brushed teeth 2.2 times more regularly after lunch than boys. As a result of adjusting all other factors, regular tooth brushing behavior after COVID-19 was reduced by 0.79 times compared to before COVID-19. Conclusion: It is judged that it is necessary to operate a comprehensive health management program in the school so that the most basic tooth brushing for oral health and handwashing for health can become a habit. In addition, by confirming the impact of the COVID-19 pandemic on handwashing and tooth brushing behavior through this study, it is expected to be used in the development of policy data such as raising awareness of brushing and improving behaviors applicable in the current and upcoming new pandemic situations.

• 한국치위생학회지
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• 제15권1호
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• pp.119-127
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• 2015

Objectives: The purpose of the study is to investigate the relationship between dental caries and oral health behaviors in middle and high school students by web-based survey of the ninth(2013) Korean youth risk behavior. Methods: The subjects were 75,149 students from 400 middle schools and 400 high schools. Finally, the survey participation rate was 96.4%(72,435 students from 799 schools) by complex sample design. The questionnaire consisted of general characteristics of the subjects, oral health behaviors, and oral health status. General characteristics included gender, types of schools, economic condition, and residential types. Oral health behaviors included subjective oral health condition, frequency of tooth brushing, tooth brushing after meal within recent 7 days, sealant within 12 months, fluoride application within 12 months, scaling within 12 months, and oral health education experience within 12 months. Oral health condition included dental caries incidence within 12 months. Results: Oral health behavior influenced on dental caries in the middle and high school students in Korea. This study showed the relationship between the sociodemographic characteristics, tooth brushing frequency, sealant experience, dental caries and halitosis experience, and scaling within 12 months. Scaling is the best prevention method for dental caries and halitosis in the students. Conclusions: The study showed the necessity for practical oral health education and the effect of fluoride application for dental caries prevention.

• Journal of Preventive Medicine and Public Health
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• 제43권5호
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• pp.396-402
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• 2010

Objectives: Self-reported anthropometric values, such as height and weight, are used to calculate body mass index (BMI) and assess the prevalence of obesity among adolescents. The aim of this study was to evaluate the validity of selfreported height, weight, and BMI of the Korea Youth Risk Behavior Web-based Survey questionnaire. Methods: A convenience sample of 137 middle school students and 242 high school students completed a selfadministered questionnaire in 2008. Body height and weight were directly measured after self-reported values were obtained from the questionnaire survey. Sensitivity, specificity, and kappa statistics were computed in order to evaluate the validity of the prevalence of obesity (BMI $\geq$ 95th percentile or $\geq$ $25;kg/$m^2$) based on self-reported data. Results: Self-reported weight and BMI tended to be underestimated. Self-reported height tended to be overestimated among middle school females and high school males. Obese adolescents tended to underestimate their weight and BMI and overestimate their height more than non-obese adolescents. The prevalence estimate of obesity based on selfreported data (10.6%) was lower than that based on directly measured data (15.3%). The estimated sensitivity of obesity based on self-reported data was 69.0% and the specificity was 100.0%. The value of kappa was 0.79 (95% confidence interval, 0.70 - 0.88). Conclusions: This study demonstrated that self-reported height and weight may lead to the underestimation of BMI and consequently the prevalence of obesity. These biases should be taken into account when self-reported data are used for monitoring the prevalence and trends of obesity among adolescents nationwide.

• 한국학교보건학회지
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• 제35권3호
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• pp.123-132
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• 2022

Purpose: The purpose of this study is to identify factors related to hand washing practice among adolescents before and after the outbreak of the COVID-19 pandemic. Methods: The study was conducted using data from the 15th~16th (2019~2020) Korea Youth Risk Behavior Web-based Survey, and the subjects of the study were 57,303 and 54,948 people who participated in the 2019 and 2020 study, respectively. The data were analyzed with frequency test, rao-scott 𝑥² test and multiple logistic regression analysis using SPSS 27.0. Results: Changes in the hand washing practice rate were observed before and after the COVID-19 pandemic in all five behaviors; before eating in school, after using the toilet in school, before eating at home, after using the toilet at home, and after returning home. The study found that the hand washing practice rate increased by 1.21-2.43 times after the COVID-19 pandemic. In addition, as a result of logistic regression analysis, the hand washing practice rate before and after the COVID-19 pandemic was related to gender, region, school grade, school type, economic status, health status, and personal hygiene education experience. Conclusion: This study confirmed the importance of hand washing education to improve the hand washing practice rate in adolescents. It is necessary to develop and apply an effective youth hand washing education program in consideration of various variables that appeared as significant factors influencing the hand washing practice rate before and after the COVID-19 pandemic.

• Journal of Preventive Medicine and Public Health
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• 제46권3호
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• pp.139-146
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• 2013

Objectives: Cigarette smoking prevalence among adolescent males in rural areas of Korea has increased in recent years. The aim of this study was to explore the factors related to increasing trends in cigarette smoking among adolescent males living in rural areas. Methods: The raw data from the Korea Youth Risk Behavior Web-based Survey from 2006 to 2009 were used. Data were analyzed by using the method of complex survey data analysis considering complex sampling design. Multiple logistic regression models were used to explore the factors affecting cigarette smoking. We evaluated the linear time trends in the prevalence of factors that were related to current smoking status and the linear time trends in cigarette smoking in groups stratified by the exposure to each factor using logistic regression models. Finally, we examined the contributions of the factors to the time trends in cigarette smoking by adjusting for each of those factors in the baseline regression models and changes in the adjusted odds ratio by survey year. Results: A statistically significant increasing trend in smoking was observed after adjusting for the factors affecting cigarette smoking. Significant factors related to cigarette use were perceived stress, experience with depression, current alcohol drinking, exposure to secondhand smoke, and academic performance. The factor related to increasing trends in cigarette smoking was academic performance. Conclusions: Stress about academic performance is an important factor affecting the increase in cigarette smoking among adolescent males in a rural area of Korea.

• 한국산학기술학회논문지
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• 제21권6호
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• pp.475-481
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• 2020

본 연구는 2019년 청소년 건강행태조사 온라인 조사 자료를 활용하여 연구대상자의 인구사회학적 특성, 정신건강 관련 특성을 알아보고 그에 따른 주관적 건강인지, 평상시 스트레스인지, 자살생각·자살계획·자살시도에 영향을 미치는 요인들을 알아보고자 하였다. 전체 청소년 대상자는 57,303명이며, 그 중 고등학생 27,919명(48.7%), 중학생이 29,384명(51.3%)이었다. 주관적 건강인지, 평상 시 스트레스 인지, 최근 12개월 동안 자살생각·자살계획·자살시도 등의 정신건강과 관련된 요인을 찾아보기 위해 연구대상 청소년들의 일반적인 특성 및 건강관련 특성 뿐 아니라 그들의 연관성을 분석하였다. 그 결과 청소년의 성별, 학교구분, 거주형태(부모님과의 동거여부), 경제상태, 학업성적, 주중 인터넷 사용시간, 흡연경험, 음주경험, 약물경험, 학교폭력치료경험, 성관계경험, 최근 7일 동안 잠으로 피로회복 정도, 최근 12개월 동안 슬픔 및 절망감 경험 등의 변수를 이용한 결과 모든 변수들이 그 정도는 다르나 정신건강에 영향을 미치는 것을 알 수 있었다(p<0.05). 본 연구의 결과를 토대로 청소년의 건강행태 개선 및 정신건강 관련 예방적 대책 수립을 위한 기초 자료로 삼고자 한다.

• 한국엔터테인먼트산업학회논문지
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• 제14권5호
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• pp.277-287
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• 2020

본 연구는 청소년의 하루 평균 스마트폰 사용시간에 대한 표준화를 조사하고자 하였다. 자료는 2017년 청소년건강행태온라인조사의 원시자료를 이용하였고, 분석된 인원은 54,603명이었다. 통계분석은 빈도분석, 독립 t 검정, 피어슨 상관분석, 일원분산분석을 사용하였다. 연구결과, 스마트폰 사용시간과 나이, 학년 사이에 상관계수는 매우 낮았다(r=.025~.039). 중학생과 고등학생의 스마트폰 사용량은 유의한 차이가 없었다(p>.05). 중학생에서 학년이 높아질수록 스마트폰 사용량이 유의하게 많았다(p<.05). 고등학생에서 2학년은 1학년과 3학년보다 스마트폰 사용량이 유의하게 많았다(p<.05). 본 연구는 54,603명의 청소년에서 성별(남, 여), 사용기간(주중, 주말), 학교(중학교, 고등학교), 학년(1학년, 2학년, 3학년)에 대한 각각의 하루 평균 스마트폰 사용량(분)을 7분위수로 제시하였다. 스마트폰 사용량의 기준치 제공은 청소년의 신체 및 정신 건강관리에 근거자료로 사용될 수 있다. 추후 연구를 통해 스마트폰 과사용을 증명할 수 있는 기준값 제시가 필요하다.

• 한국식품영양학회지
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• 제36권4호
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• pp.286-295
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• 2023

The purpose of this study was to investigate the association between household economic changes by COVID-19 and dietary habits in Korean adolescents. The study analyzed data from the 17th Korea Youth Risk Behavior Survey in 2021. A total of 54,848 middle and high school students, 28,401 males and 26,447 females, participated in this study. COVID-19 lead to deterioration of household economy in the lower level of household economic status (p<0.001). The deterioration of household economic status by COVID-19 was associated with dietary habits such as lower breakfast intake, and higher fast food, soda drinks, and sweet drinks consumption (p<0.001). Logistic regression analysis showed that deterioration of household economic status was significantly decreased in frequency of breakfast intake (OR: 0.73, 95% CI: 0.67~0.80). The deterioration of household economic status by COVID-19 was also significantly associated with increased frequency of fast food (OR: 1.28, 95% CI: 1.16~1.41), soda drinks (OR: 1.42, 95% CI: 1.30~1.56) and sweet drinks (OR: 1.35, 95% CI: 1.24~1.46) consumption (p<0.001). In conclusion, it was confirmed that the change in household economy caused by COVID-19 was associated with dietary habits in adolescents. As the household economy deteriorated, there was an increase in undesirable dietary habits including skipping breakfast and fast food consumption.