• 대한간호학회지
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• 제39권5호
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• pp.700-708
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• 2009

Purpose: This study was done to test the validity and reliability of the Adolescent Mental Problem Questionnaire (AMPQ) for Korean high school students. Methods: The AMPQ was designed to assess adolescents', mental health status and problem behavior (Ahn, 2006). A methodological study design was used with exploratory factor analysis, Pearson's correlation coefficients, and a fitness of the modified model for validity. Also, Cronbach's alpha coefficients and alternative-form method for reliability were used. AMPQ was tested with a sample of 36,313 high school students. The participants consisted of 18,701 males and 17,612 females. Results: Seven factors were extracted through factor analysis: 'Psychiatric problems', 'Delinquency', 'Academic troubles', 'Family problems', 'Hazardous behavior', 'Harmful circumstance', 'Eating problems'. These factors explained 51.1% of the total variance. The fitness of the modified model was good ($X^2$=38,413.76, Goodness of Fit Index [GFI]=.94, Adjusted Goodness of Fit Index [AGFI]=.93, Comparative Fit Index [CFI]=.95, Root Mean Square Error of Approximation [RMSEA]=.05), and concurrent validity with Korea-Youth Self-Report [K-YSR] was .63. Cronbach's alpha coefficient of the 31 items was .85. Conclusion: The results of present study suggest that the modified AMPQ instrument may be useful for efficiently assessing mental health status and problem behavior in late adolescent, high school students.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제19권1호
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• pp.13-18
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• 2008

Objectives : Internet addiction or pathologic internet use is one of the major mental health problems in children and adolescents in Korea. Internet addiction is defined as uncontrollable, markedly time-consuming internet use, which lasts for a period of at least six months. Internet addiction results in poor academic performance and negative parent-child relationships. By using $^{18}F$-fluorodeoxyglucose-positron emission tomography (FDG-PET), we investigated the effects of internet addiction on functional changes occurring in the adolescent brain. Methods : Adolescent patients with an internet addiction (4 boys and 2 girls; $15.6{\pm}1.2$ years) participated in this study. Eight healthy young adults (5 males and 3 females; 18-30 years old) with no previous history of psychiatric illness also participated as normal controls. Brain FDG-PET data was obtained with the participants in the resting condition and with no addictive stimuli. Results : Statistic parametric mapping analysis of the brain FDG-PET data revealed hypometabolic changes in the visual information processing circuits and hypermetabolic changes in the prefrontal areas in the adolescents with internet addiction, as compared with normal controls (p<.001). Conclusion : These results suggest a neuronal adaptation to excessive visual stimulation and synaptic plasticity due to internet addiction.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제8권2호
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• pp.199-206
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• 1997

저자들은 일반 청소년에 있어서 부모폭행의 빈도를 알아보고, 부모를 폭행하는 위험인자를 밝히기 위하여, 서울시내 중학생 1345명을 대상으로 자기 보고식 설문지를 이용한 조사를 통해 다음과 같은 결과를 얻었다. 1) 일반 청소년에서 아버지, 어머니에게 각각 욕설이나 폭언을 한적이 있는 경우는 7%, 10%；화가 나서 문을 쾅 닫거나 물건을 던진 적이 있는 경우는 40%, 45%；신체적으로 폭행한 적이 있는 경우는 2.8%, 2.3%；폭행하여 다치게 한적이 있는 경우는 2.3%, 1.2%；칼이나 흉기 등으로 위협한 적이 있는 경우는 0.7%, 0.4%였다. 2) 청소년의 부모 폭행과 연관성이 있는 요인은 과거 일생 동안의 폭력에의 노출(p=0.0001), 최근 1년간 가정내 폭력에의 노출(p=0.0002), 청소년 자신이 술, 담배, 약물남용의 문제가 있는 경우(p=0.0003), 부모가 음주와 관련되어 다툼이 있는 경우(p=0.0001)인 것으로 나타났다. 본 연구를 통해 청소년의 부모폭행이 드물지 않게 발생하는 문제임을 알 수 있었고, 청소년의 부모폭행이 가정내 폭력, 청소년의 물질남용, 부모의 음주와 관련되어 있어 이러한 문제를 가진 고위험군에 대한 예방적 개입이 필요함이 시사되었다.

• Nutrition Research and Practice
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• 제9권4호
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• pp.370-378
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• 2015

BACKGROUND/OBJECTIVES: Athletes generally desire changes in body composition in order to enhance their athletic performance. Often, athletes will practice chronic energy restrictions to attain body composition changes, altering their energy needs. Prediction of resting metabolic rates (RMR) is important in helping to determine an athlete's energy expenditure. This study compared measured RMR of athletic and non-athletic adolescents with predicted RMR from commonly used prediction equations to identify the most accurate equation applicable for adolescent athletes. SUBJECTS/METHODS: A total of 50 athletes (mean age of $16.6{\pm}1.0years$, 30 males and 20 females) and 50 non-athletes (mean age of $16.5{\pm}0.5years$, 30 males and 20 females) were enrolled in the study. The RMR of subjects was measured using indirect calorimetry. The accuracy of 11 RMR prediction equations was evaluated for bias, Pearson's correlation coefficient, and Bland-Altman analysis. RESULTS: Until more accurate prediction equations are developed, our findings recommend using the formulas by Cunningham (-29.8 kcal/day, limits of agreement -318.7 and +259.1 kcal/day) and Park (-0.842 kcal/day, limits of agreement -198.9 and +196.9 kcal/day) for prediction of RMR when studying male adolescent athletes. Among the new prediction formulas reviewed, the formula included in the fat-free mass as a variable [$RMR=730.4+15{\times}fat-free\;mass$] is paramount when examining athletes. CONCLUSIONS: The RMR prediction equation developed in this study is better in assessing the resting metabolic rate of Korean athletic adolescents.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제7권1호
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• pp.61-67
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• 1996

본 연구에서는 청소년의 자아상과 우울, 불안, 그리고 사회적 민감성간의 구조적 관계를 실증적으로 규명해보고자 하였다. 우선, 자아상이 부정적인 청소년들이 자아상이 긍정적인 청소년보다 더 우울하고 불안하며 대인 관계나 사회적 상황에서 더 예민한 반응을 보이는 지를 알아보고자 하였고, 두번째로는 낮은 자아상이 사회적 민감성에 직접적으로 영향을 미치는지 , 아니면 낮은 자아상을 가진 청소년들이 우울이나 불안감을 더욱 느끼게 되고, 그 결과 사회적 민감성이 증가되는지 그 인과적인 관계를 알아보고자 하였다. 이를 위해 중, 고등학교에 재학중인 남, 여 학생 총 1,602명 (남자 697명, 여자 905명)에게 Offer의 자아상 척도와 간이 정신진단 검사의 하위 척도중 우울, 불안, 사회적 민감성 척도를 실시한 후, 자아상이 낮은 집단과 높은 집단간의 차이를 알아본 결과, 자아상이 낮은 집단이 자아상이 높은 진단에 비해 우울.불안, 사회적 민감성 척도점수상에서 통계적으로 유의미하게 높은 점수를 보이는 것으로 나타났다. 또한 자아상과 우울, 불안, 사회적 민감성간의 구조적 관계를 LISREL로 분석한 결과, 자아상이 사회적 민감성에 직접적으로 영향을 준다기 보다는, 자아상이 낮은 청소년들은 자기 자신에 대해 우울이나 불안감을 느끼게 되고, 그로 인해 사회적 민감성이 증가되는 것으로 나타났다. 이러한 결과는 청소년들이 사회적 불안과 대인 공포를 발전시키지 않도록 하기 위해서는 무엇보다도 긍정적 자아상을 형성할 수 있도록 도움을 주는 것이 중요하다는 점을 시사해주었고. 사회 공포증 청소년 환자에 대한 치료및 예방에 있어 임상적 시사점을 가지는 것으로 논의되었다.

• Child Health Nursing Research
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• 제13권1호
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• pp.13-20
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• 2007

Purpose: This investigation examined a model to predict body mass index in order to prevent later development of obesity among adolescents. The hypothesized model was developed based on the principle of Social Cognitive Theory that social influences predict perceptions of cognition as well as behavior. Method: The 5,770 adolescents, aged 14-18 who participated in this study came from 11 separate school districts in Busan and Kyungnam province of South Korea. The adolescent surveys were administered in a group setting at the participating school. Of the 5770 surveys, adolescents with more than 10 percent missing data in the entire survey were excluded. The final sample contained 4,527 cases. The adolescents were included 2,250 (49.7%) males and 2,277 (50.3%) females. Data was analyzed Pearson correlation coefficients using SPSS 12 program and structural equation model (SEM) using Maximum Likelihood estimation was employed using Amos 5.0. Results: Social support directly affects cognitive determinants. Cognitive determinants directly affect behavior determinants which directly affect BMI. Cognitive and behavioral factors mediated the relationship between social support and BMI (GFI= 0.984, CFI= 0.974, RMSEA=0.031). Conclusion: Social levels should be supportive to help adolescents have healthier behaviors. This support can be accomplished by providing frequent support to establish positive cognitive factors as the foundation of the solution to prevent overweight and obesity.

• 한국학교보건학회지
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• 제31권2호
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• pp.70-78
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• 2018

Purpose: This study investigated the predictors of Sexually Transmitted Infections (STI) among female teenagers in Korea who have had intercourse at least once. Methods: This study is based on the 12th Korea Youth Behavior Web-based Survey conducted in April 2016. Data were collected from 798 middle schools and high schools nationwide in Korea and 65,528 students participated. Among the participants, the subjects of this study were 537 female high school students (Grade 10~12). The data were analyzed through complex samples multiple logistic regression using SPSS statistics 22. Results: Among the 537 female adolescents, 11.9% replied they had experienced STI. The predictors of STI among the subjects were 'age at first intercourse' and 'sexual intercourse after drinking'. The risk of STI was lower in the middle (OR=0.26, 95% CI=0.10~0.64) and high school (OR=0.11, 95% CI=0.04~0.27) age groups than those who had their first sexual intercourse at an elementary school age. The sexual intercourse after drinking group had a higher risk of STI, compared to the no sexual relation after drinking group (OR=2.54, 95% CI=1.28~5.07). Conclusion: Practical sex education programs should begin from the elementary stage in order to protect more female adolescents from STI. In addition, sex education including an alcohol prevention program should be considered to lower STI among female adolescents.

• 한국식생활문화학회지
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• 제32권1호
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• pp.66-74
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• 2017

This study was conducted to investigate the correlation between frequency of high-caffeine energy drink intake in adolescents and their mental health status using data from the Korean adolescent health behaviors online survey (2014-15). Mental health was classified by the five categories: Perception of stress (PS), Insufficient relief of fatigue after sleep (IRFS), Experience of sadness despair (SD), Suicidal ideation (SI), and Subjective unhappiness (SU). Regarding general characteristics, higher age, height, and body weight of subjects were associated with higher frequency of high-caffeine energy drink (HCED) intake (p< .0001). In the OR analysis, when the lowest group (${\leq}2/wk$) and highest group ($1{\geq}day$) were compared, the highest group showed significantly higher OR in all five categories of mental health. According to gender, males did not show better PS, SD, and SI than females who had a high frequency of HCED (p for trend<.0001). According to school level, middle school students showed a higher risk rate than high school students in PS, IRFS, and SD (p for trend< .0001). Based on the above results, higher frequency of HCED intake among adolescents was associated with more adverse effects on mental health.

• Journal of Preventive Medicine and Public Health
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• 제48권2호
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• pp.111-117
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• 2015

Objectives: While epidemiologic research indicates that the prevalence of risk-taking behaviors including cigarette smoking among young people with asthma is substantial, the longitudinal patterns of cigarette smoking in this vulnerable population have received little attention. The aim of this study was to evaluate differences in the longitudinal trajectories of cigarette use behaviors from adolescence to adulthood between young people with and without asthma. Methods: Data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) during the years 1994 to 1995 (Wave I, adolescence), 2001 to 2002 (Wave III, young adulthood), and 2007 to 2008 (Wave IV, adulthood) were analyzed (n=12 244). Latent growth curve models were used to examine the longitudinal trajectories of cigarette use behaviors during the transition to adulthood according to asthma status. Results: Regardless of asthma status, the trajectory means of cigarette use behaviors were found to increase, and then slightly decrease from adolescence to adulthood. In total participants, there were no statistically significant differences in initial levels and changes in cigarette use behaviors according to asthma status. However, in select sex and race subgroups (i.e., females and non-whites), former asthmatics showed greater escalation in cigarette use behaviors than did non-asthmatics or current asthmatics. Conclusions: This study indicated that the changing patterns of cigarette use behaviors during the transition to adulthood among young people with asthma are comparable to or even more drastic than those among young people without asthma.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제34권3호
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• pp.159-168
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• 2023

Objectives: Non-suicidal self-injury (NSSI) has been theoretically, clinically, and empirically associated with emotional dysregulation. NSSI is a means of regulating emotional states, particularly negative emotions. However, empirical studies on this topic are scarce and the literature lacks qualitative research on individuals' perceptions and comprehension of the function of self-injury. Thus, this qualitative study aimed to provide novel insights into the relationship between NSSI and emotional dysregulation in young adults. Methods: Twelve participants (mean age=22.7 years, 9 females and 3 males) from different support groups and a healthcare center participated in semi-structured interviews on NSSI-related emotional processes. Three aspects were investigated: reasons for NSSI, function of NSSI, and emotions. Each interview was voice recorded and typically lasted between 20 and 40 minutes. All responses were analyzed using thematic analysis. Results: Four major themes were identified. The results showed that NSSI had both intrapersonal and interpersonal functions, within which emotional regulation played a significant role. NSSI was also used to regulate positive emotions. The results also showed a sequence of emotions among the participants, going from feeling overwhelmed to feeling relatively calm but guilty. Conclusion: NSSI has several functions for the same individual. Thus, it would be interesting to provide integrative therapy, such as emotion-focused therapy, which focus on improving intrapersonal and interpersonal emotion regulation skills and strategies.