The purpose of the study was to test the moderating role of self-control in the relationship between daily stress and online social networking addiction of adolescents.

The daily stress scale, online social networking addiction scale, and self-control scale were administered to a sample of 225 adolescents. The data were analyzed using SPSS 25.0 and SPSS PROCESS macro.

The results were as follows: First, correlation analysis was conducted to examine the relationship among daily stress, self-control, and online social networking addiction. Daily stress was significantly positively correlated with online social networking addiction. In contrast, self-control was significantly negatively correlated with daily stress. Second, the interaction between self-control and daily stress played a more prominent role in protecting against online social networking addiction in adolescents who reported lower daily stress than those who reported higher daily stress.

This result suggested that it is necessary to strengthen the positive aspects of self-control to adolescents who have difficulty managing their online social networking addiction.

The purpose of this study was to examine the effect of body image distortion on health behaviors practice in high school students.

This study used a secondary data analysis study with the data derived from the 2019 Korea Youth Risk Behavior Web-based Survey. The study sample included 20,787 high school students. Collected data were analyzed with SPSS program using Rao-Scott x ² test and complex samples general linear model analysis.

The prevalence of adolescents with body image distortion was 24.5% in this study. Health behaviors practice had significant differences according to body image distortion (t=10.29, p<.001), and the score for health behaviors practice in adolescents with body image distortion was lower than those without body image distortion. Gender, grade, school type, school achievement, economic status, and perceived health state were found to be significantly related to health behaviors practice. After controlling significant variables, body image distortion (b=.14, p<.001) was significantly related to health behaviors practice in adolescents, accounting for 4.0% of the variance in health behaviors practice (Wald F=52.75, p<.001).

These findings suggest that body image distortion has negative effects on health behaviors practice and healthcare professionals need to consider enhancing body image for improvement of health behaviors practice in adolescents.

This study aims to examine the influence of stressors on initiation and repetition of serious juvenile delinquency, and to provide grounds for intervention.

For these purposes, 8,418 responses from the “A study on supporting mental health promotion for children and adolescents” data of the National Youth Policy Institute (NYPI) were utilized.

The results indicate that (1) 27.5% of adolescents experienced serious juvenile delinquency, (2) family and teacher relationship stress, and appearance stress were associated with the initiation of serious juvenile delinquency, and (3) All relationship stressors; family, teacher, peer, and senior-junior relationship stress had a significant effect on the repetition of serious juvenile delinquency.

Regarding these findings, implications for intervention and further research were provided.

The present study aimed to explore psychometric properties of Korean version of the Posttraumatic Growth Inventory for Children-Revised (PTGI-C-R), and related variables.

The PTGI-C-R was translated into Korean and 716 children and adolescents in a general population sample completed a self-report battery.

361 participants reported experiencing of traumatic event and 145 among them showed clinical symptoms. In clinical group, Korean version of PTGI-C-R has exhibited good internal consistency and construct validity. Those who experienced traumatic event reported more PTG than unexperienced group. PTG was positively related with resilience, optimism, and rumination, but negatively related with depression and anxiety, also nonlinearly related with intensity of perceived stress.

This study found the distinct changes of PTG from normative maturation by comparing those who experienced traumatic event and those who did not.

This study is a qualitative research conducted to identify the core theme and essence of the North Korean defector youths by intensively exploring the experience of adapting to school life in South Korea.

The participants were 11 young people of 20∼25 year olds who had attended middle and high school in South Korea. The data was collected through focus group interviews and analyzed by content analysis.

The results found 5 clusters of theme, 14 themes, 34 categories. The 5 clusters of theme were ‘Astonishment in a new country’, ‘Hard to bear existential pain’, ‘Desperate struggles to survive’, ‘Two-facedness of support inside and outside of school’, ‘Unfinished burden of reality’.

This research suggest that practical ways to help the youths such as authentic approaches, necessary information and material support, support for making friends and friendship, providing college admission information and support, parent training and mentoring.

A number of studies have documented relationship between various individual outcomes and birth order. This study sought to investigate the relationship between adolescents health behavior, stress and birth order.

The data used in this study were obtained middle and high school students who replied to the 10th Korea Youth Risk Behavior Web-based Survey (KYRBWS) administered in 2014. We investigated the associations between health behavior, stress and birth order using multivariable logistic regression analysis controlling with age, height, weight, father’s education, mother’s education, economic status, academic status, sleep duration, sitting time, self-perceived health status, self-perceived happiness, depression mood, suicide idea, suicide plan, suicide attempt, drinking experience, smoking experience.

The distribution of first-born was 45.5% and later-born was 54.5%. In multivariable logistic regression the later-born replied higher portion of vigorous physical activity 3 days per week and strength exercise 5 days per week. And later-born replied lower economic status, lower academic performance and higher prevalence of drinking experience, smoking experience. Later-born they had more stress than first-born, but after adjusted for variable factors in multivariable logistic regression, birth order had no relationship with stress significantly.

This study offers data for the development of intervention programs to adolescent related to birth order, and further study is necessary in order to clarify adolescent’s relationship between birth order and stress and individual outcomes.