• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.4 no.1
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• pp.98-105
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• 1993

Objective ' The purpose of this study was to investigate the behavioral characteristics of children with allergic disease Method : In a population of 80 children who were registered at a pediatric allergic clinic in Kangnam St Mary's hospital, parents completed a standardized child behavior checklist (CBCL) to evaluate their children Clinical factors associated with allergy were examined in relation to the rated scores of CBCL Results : Allergic children were rated significantly more aggressive and delinquent, and less withdrawned on the CBCL rating when compared to the age- and sex-matched normal control children. Within the allergic population, children who had family history of allergic disease had higher scores of CBCL in hyperactivity and aggressive behavior than the children without family history. Conclusion : The results were discussed with the respect to familial traits of allergy and temperament as risk factors for the emergence of behavior problems in childhood allergy

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.9 no.1
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• pp.34-46
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• 1998

This study was designed to develop the scale of paternal parenting attitudes which has become an area of interest in child fostering study recently. Considering various factors extracted from previous Korean and foreign studies, the authors constructed a questionnaire composed of total 57 questions. It was applied to 126 mothers from families with no psychiatric patient in Seoul and Pusan who had at least onechild older than age 12 by random sampling. Then the authors extracted the factors which were able to compose the scale and evaluated the concurrent reliability. Also the authors selected mothers of 47 schizophrenic patients and 29 bipolar I patients diagnosed with the criteria of DSM-IV who have treated in Seoul National Mental Hospital and 46 controls which consisted of randomly selected mothers from normal families for the discriminative validity test. The results were as follows. The authors extracted 5 subscales of active participation, democratic guidance, warmth, hostility, devotion for education and Cronbach’s ${\alpha}$ value of each subscale which shows its internal consistency was .82, .78, .65, .78, .61 respectively. In the discriminative validity test, all subscales except ‘devotion for education’ subscale significantly discriminated between fathers of schizophrenics and control group. Furthermore ‘active participation’ subscale and ‘warmth’ subscale showed significant difference between fathers of control group and resting both father group of schizophrenics and biopolar I patients.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.12 no.2
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• pp.179-191
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• 2001

Objectives：This study evaluated the association between behavioral characteristics and polymorphisms in DAT1, DRD2, DRD3, and DRD4 genes. Methods：The subjects were 114 neonates, who were born by normal spontaneous vaginal delivery and had no physical problems. The behavioral characteristics were evaluated using Neonatal Behavioral Assessment Scale(NBAS) at $17.8{\pm}7.0$ hours after their birth to minimize environmental influences, and cord blood was used to analyze the gene polymorphisms. Results：In comparison to DAT1 gene 10/10 genotype group(N=93), other genotype group(N=19) showed significantly high NBAS scores on social-interaction, state organization, and state regulation. DRD2 gene Ser311/Cys311, TaqI A, and TaqI B polymorphisms showed no significant differences on NBAS scores when they were grouped by genotypes. DRD3 gene polymorphism and DRD4 gene promotor polymorphism showed no significant difference on NBAS scores when they were grouped by genotypes. In comparison to the short repeats(N=102), long repeats(N=10) in DRD4 gene showed significantly high habituation score of NBAS. Conclusion：These results suggest that the genetic effects of the neonatal behavioral characteristics may be mediated via DAT1 and DRD4 genes.

• Journal of Korean Home Economics Education Association
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• v.28 no.2
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• pp.41-50
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• 2016

Fast foods are very popular to adolescent and the sales are increasing due to the convenience, low price, and a broad scale advertisement through mass media. Fast foods are often named as junk foods because of high calorie and fat, low vitamins and minerals contents. This study investigated the intake frequency of hamburger, pizza and fried chicken, the 3 representative fast foods, in 306 male and female high school students living in Daejeon. Data were collected by food frequency questionnaire, and analyzed by SPSS(ver. 18.0). Intake frequency of hamburger, pizza and fried chicken were 33, 29, 17 times per year, respectively. Intake frequency of these 3 fast foods were not sig. different by BMI obesity, breakfast and supper meal frequency, and first time of fast foods intake. But intake frequency of fast foods were different by the allowance, intake frequence of pizza and fried chicken are higher in students with higher allowance. Restrain score of fast foods intake were higher in underweight and obese than normal weight students. There were no sig. difference of intake restrain score by preferable future body figure. As conclusion, the most effective way of reducing the fast food intake frequency in adolescent were cutting down the allowance. Besides that education based on analysis about what are the specific nutritional defects in each fast food may help to change the behavior of fast foods intake.

• Korean Journal of Community Nutrition
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• v.23 no.4
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• pp.302-318
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• 2018

Objectives: This study examined the differences in dietary life and health related factors, such as drinking behavior, exercise and leisure activities, mental health, and subjective perception for oneself according to obesity in poor urban Peruvian adolescents. Methods: A total of 1,532 Peruvian adolescents were selected from six schools in poor regions using stratified random sampling. The subjects were classified into two groups based on their BMI: 'normal weight group (NW group=980)' or 'overweight and obese group (OWOB group=293)'. The differences in the general characteristics, dietary life, drinking behavior, physical activity and leisure, mental health and subjective perception of oneself in the two groups were compared. ${\chi}^2$ analysis and independent sample t-test were performed using the SPSS program ver. 24. Results: For the total and male students, the frequency of breakfast and dinner were significantly lower in the OWOB group than in the NW group (all p<0.001). For total and female students, the percentage of subjects who received nutrition education was significantly higher in the OWOB group than in the NW group (all p<0.05). For total students, the percentage of subject who exercised more than five days/week was lower in the OWOB group than in the NW group (p<0.05). For the total and female students, the subjective health status was worse in the OWOB group than in the NW group (all p<0.05). The subjective body image was significantly different between the OWOB group and NW group in the total, male and female subjects (all p<0.001). Conclusions: The frequency of meals and exercise, and the subjective perceptions of the health status and body image differed according to obesity in poor urban Peruvian adolescents. Therefore, a school-based intervention program focused on regular meal and exercise, and adequate subjective perceptions for health status and body image need to be developed to prevent adolescent obesity.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.26 no.3
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• pp.159-164
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• 2015

Objectives : The current study investigated the risk of smartphone addiction among children and adolescents with or without attention-deficit hyperactivity disorder (ADHD), risk of depression, anxiety, and self-esteem using the Smartphone Addiction Scale Proneness, Kovac's Children's Depression Inventory, State-Trait Anxiety Inventory, and Rosenberg Self-Esteem Scale, commonly used in clinical medicine. Methods : Ninety five students with ADHD who visited psychiatry outpatient clinics completed the questionnaire. At the same time, 592 middle and high school students living in a similar area regardless of ADHD diagnosis, completed the questionnaire as control subjects. Results : Overall, 40.0% of 95 ADHD and 12.8% of 592 control subjects were classified as the smartphone addiction proneness group, 26.3% of the ADHD subjects and 8.3% of the control group were classified as the depression group, and 32.6% of the ADHD subjects and 16.2% of the control group were classified as the anxiety group. Significant differences were observed between the two groups. Conclusion : The results of this study suggest that ADHD subjects are more prone to smartphone addiction, becoming depressed or anxious than those in the control group. From this study, we could suggest that students with ADHD are more easily affected by smartphone addiction than normal control subjects. In addition, we might understand how some psychiatric problems like depression, anxiety, and low self-esteem are related to ADHD and smartphone addiction.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.6
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• pp.158-168
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• 2019

This study has researched and analyzed the relation among adolescents metabolic syndrome, dietary life, physical activity and mental health using $7^{th}$ National Nutrition Survey of $1^{st}$ year(2016) to provide the base data for the prevention of adolescent metabolic syndrome and the promotion of mental health. The subjects have been aimed at 13-18 year-old adolescents. The normal group consists of 201 males(56.4%) and 187 females(47.4%) and the adolescents with metabolic syndrome are composed of 9 males(56.4%) and 6 females(43.6%), totally 403 subjects. As a result of analyzing on the relation among adolescents' metabolic syndrome, dietary life, physical activity and mental health, the main influencing factors of metabolic syndrome are as follows. First, with regard to physical features, as BMI increases 1, the prevalence rate of metabolic syndrome multiplies 1.746 times. Second, when eating breakfast once to twice a week, the prevalence rate of metabolic syndrome decreases 0.87 times. Third, with regard to physical activity, as usual sitting hours a day increase 1 hour, the prevalence rate of metabolic syndrome multiplies 1.054 times. Fourth, the relation between metabolic syndrome and mental health of adolescents is not significant at all. Thus, the further study on metabolic syndrome focused on adolescents should be extended through the development of various variables of dietary life, physical activity and mental health focused on adolescents. In addition, the development of effective intervention program combining with dietary life, physical activity and mental health factors is necessary.

• Pediatric Infection and Vaccine
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• v.29 no.2
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• pp.70-76
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• 2022

Coronavirus disease 2019 (COVID-19) in patients with underlying diseases, is associated with high infection and mortality rates, which may result in acute respiratory distress syndrome and death. Mucopolysaccharidosis (MPS) type II is a progressive metabolic disorder that stems from cellular accumulation of the glycosaminoglycans, heparan, and dermatan sulfate. Upper and lower airway obstruction and restrictive pulmonary diseases are common complaints of patients with MPS, and respiratory infections of bacterial or viral origin could result in fatal outcomes. We report a case of COVID-19 in a 16-year-old adolescent with MPS type II, who had been treated with idursulfase since 5 years of age. Prior to infection, the patient's clinical history included developmental delays, abdominal distension, snoring, and facial dysmorphism. His primary complaints at the time of admission included rhinorrhea, cough, and sputum without fever or increased oxygen demand. His heart rate, respiratory rate, and oxygen saturation were within the normal biological reference intervals, and chest radiography revealed no signs of pneumonia. Consequently, supportive therapy and quarantine were recommended. The patient experienced an uneventful course of COVID-19 despite underlying MPS type II, which may be the result of an unfavorable host cell environment and changes in expression patterns of proteins involved in interactions with viral proteins. Moreover, elevated serum heparan sulfate in patients with MPS may compete with cell surface heparan sulfate, which is essential for successful interaction between the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein and the host cell surface, thereby protecting against intracellular penetration by SARS-CoV-2.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.6 no.1
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• pp.74-89
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• 1995

Selective mutism is a childhood condition defined by persisten failure to speak in specific social situation when speaking is expected, dispite preserved ability to comprehend spoken language and speak. Present study is to investigate clinical characteristics, treatment method and outcome of 23 children who were diagnosed as selective mutism by DSM-IV criteria at the child psychiatry ouptatient department of SNUH. The results were as follows : 1) The Sex ratio was 1: 4.8, female dominant Mear age of onset was 33 years old and mean age of first referral was 7.7 years old. 2) 22% of subjects had perinatal problem such as low birth weight, preterm birth, 26% of the subjects have history of delayed language development. There are subjects who had been separated with mam caretaker before 3 years old(26%) and who experienced physical or psychological trauma before 3 years old(26%). A few subjects had enurests(30%) and encoprests(4%). 3) Many subjects(65%) had symbiotic relationship with their mother. These families consist of dominant, verbally aggressive mother and passive father. Parents of 39% of all subjects were judged to have definite psychopathology(social phobic, depression, hysterical trait or alcohol problem) 26% of all subject, were reported physically abused. 4) The personality trait of the subjects were frequently described as follows(in order of frequency) ; Shy(100%), anxious(83%), stubborn(83%)m rigid and tense posture(78%), immature(65%) overdependent(65%), irritable(52%), manipulative(39%), depressive(39%). 5) The mean performance IQ of 16 subjects by KEDI-WISC was 88.3 Among them, the subjects with IQ below 69 were seven and those with IQ above 70 were nine. When comparing these two group(Mental retardation group vs Normal IQ group), we could find some difference in language development, personality trait, family dynamics and treatment outcome. 6) Among several treatment methods for selective mutism, play therapy was the most frequently used method(65%). Other commonly used treatment methods were pharmacotherapy(21%), behavioral therapy(8%), combined therapy(play therapy+pharmacotherapy+family therapy+behavioral therapy)(12%), 7) Regarding the outcome of treatment 8.6% was evaluated as Excellent, 30.4% as Good, 52% as Fair, 8.7% as Poor at the tinic of treatment. At follow up interview 21.7% was evaluated Excellent, 13% as Good, 21.7% as Fair, 34.8% as Poor. 8) We classified all subjects by Havden's 4 subtype. Symbiotic mutism was most common(65%) and other subtypes are Speech phobic mutism(8.6), Reactive mutism(13%) and Passive-aggressive mutism(30%).

• Clinical and Experimental Pediatrics
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• v.48 no.11
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• pp.1244-1251
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• 2005

Purpose : $Henoch-Sch{\ddot{o}}nlein$ purpura(HSP) is the most common and benign systemic vasculitis in children. Few reports have focused on worse outcomes of HSP in adults. The age of onset is suggested as a main risk factor. We assessed the characteristics of adolescent-onset HSP. Methods : We retrospectively analyzed 205 cases presented from Aug. 1993 to Oct. 2003. Patients were classified as children(<10 years of age), adolescents(10-20 years of age), and adults(>20 years of age). Results : The mean age was $5.7{\pm}1.8years$ in 149 children, $13.5{\pm}2.4years$ in 38 adolescents, and $44.9{\pm}14.5years$ in 18 adults. The male to female ratio was 1.2 : 1 in children and adolescents, and 2 : 1 in adults. Previous upper respiratory infections were found in 53.4 percent of children, 32.4 percent of adolescents, and 33.3 percent of adults. Positivity of stool occult blood was more frequent in adults(50.5 percent) than in children(23.0 percent)(P<0.05). Renal involvement was found in 46 cases (30.9 percent) of children, 23 cases(60.5 percent) of adolescents, and 15 cases(83.3 percent) of adults. Recurrences occurred in 23 cases(15.4 percent) of children, nine cases(23.7 percent) of adolescents, and three cases(16.7 percent) of adults. Among the cases with renal involvement, 97.8 percent of children and 87.0 percent of adolescents improved to normal or asymptomatic urinary abnormalities. 60.0 percent of adults persisted with severe nephropathy and 13.3 percent progressed to renal insufficiency. Conclusion : Although the outcome of adolescent HSP was as good as children, the clinical manifestations were similar to those of adults. Adolescents had the highest rate of recurrences. Thus long term observations may be needed in adolescent onset HSP.