• The Korean Journal of Physiology
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• v.10 no.2
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• pp.17-21
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• 1976

In Pulmonary functions which is important Place which national physical power, especially, in under growth course whom aged from 13 to 16 young boys that whole members of 207 person, and had taken pulmonary functions eyamination record, and took as the following results. 1) Frequency of breathing: Pertaingof the frequency of breathing are 18 times per minute at boys and girls whom age is 13.41 (primary student 6 grade), and at 14.18 and with age 16.41 (middle student, & high school student) are per minute was about 16 times. 2) Vital capacity: Measures of vital capacity are in case of boy student, whom was a primary student was 3 liter, and middle student was 3.2 liter, and at high school students was 3.9 liter, and which different boys and girls student was more low quantify at girls student with comparison student. 3) Breathing holding time. Breathing holding time was nor less in boys student and with girls student, but, that prinary student which middle student and high school student was shown, that is to say, more higher age shown high quantity.

• Journal of the Korean Society of School Health
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• v.31 no.1
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• pp.48-58
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• 2018

Purpose: This study was to identify the factors that influence sexually transmitted infections (STIs) among adolescents in Korea. Methods: The data from the 10~12th Korea Youth Risk Behavior Web-based Survey (2014~2016) were used to assess the effects of individual, family, and school-related factors on sexually transmitted infections. The participants of this study were 9,760 adolescents who had experienced sexual intercourse. The participants consisted of 6,905 boys and 2,855 girls. Results: Out of 9,760 adolescents with sexual intercourse experience, 9.7% (908) had STIs. Grade, substance abuse, age at first sexual intercourse, having sexual intercourse after drinking alcohol, the type of sex partner and family structure were significantly related STIs in both boys and girls. Using condoms was related to STIs only in boys. Drinking alcohol and smoking were related to STIs only in girls. However, sex education at school was not related to STIs in both boys and girls. Conclusion: In this study, Individual and family factors were associated with STIs in male and female adolescents. The results of this study suggest the need for systematic research on the factors influencing STIs and health eduation for STI prevention.

• Journal of the Korean Home Economics Association
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• v.38 no.6
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• pp.171-183
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• 2000

This study investigated the relationship among children's sensation seeking, maternal childrearing behavior and children's problem behavior. The subjects were 470 5th and 6th grade elementary school students in Pusan, Korea. Zuckerman's questionnaire on sensation seeking(1994), Park, Young Yae's questionnaire on maternal childrearing behaviors(1995) and Kim Hye Ryun's questionnaire on children's maladjustment behavior(1993) were used. The results were as follows : (1) According to sex, there were significant differences in sensation seeking stores, the aggressive behavior scores and distracted behavior scores. The boys got higher scores than girls in sensation seeking scores, and also in aggressive behavior scores and distracted behavior scores. (2) There were significant positive correlations between sensation seeking scores and the aggressive behavior scores for both boys and girls. And there were significant positive correlations between sensation seeking scores and the distracted behavior scores for both boys and girls. (3) Both sensation seeking and maternal child rearing behavior predicted aggressive behavior and distracted behavior for both boys and girls. For boy's aggressive behavior, sensation seeking and maternal child rearing behavior explained 8%, 8%, respectively. For boy's distracted behavior, sensation seeking explained 5%. And for girl's aggressive behavior, sensation seeking and maternal child rearing behavior explained 27%, 9%, respectively. For girl's distracted behavior, sensation seeking and maternal child rearing behavior explained 28%, 7%, respectively. The sensation seeking variable was the important predictor influencing on children's aggressive behavior and distracted behavior. Implications of this study were discussed in terms of sensation seeking and socialization.

• Journal of the Korean Society of Costume
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• v.46
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• pp.31-48
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• 1999

The purpose of this study is to offer fundamental data for classification of somatotype for boys of elementary school age. The subject were 458 elementary school boys aged from 7 to 12 living in Pusan. Data were collected by 56 anthropometric 11 photoraphic measurements and 41 body indices. 56 anthropometric measurements were analyzed by ANOVA and method of Duncan-test as Multiple Range Test among 6 grade groups and then total 108 measurments were analyzed by statistical data processing. The results are as followings: 1, In Duncan-test boys were significantly different in most of height and length items but were not significantly different in main items for clothing construction among 1.2/3.4/5.6 grades so that the period of elementary school age were divided with 3 periods. 2. According to increase school age most of item's means increased gradually and personal difference for each items increased too. In case of height and length items the items of lower half were greater than the items of upper half in personal difference and depth items were greater than the breadth items in personal difference. And weight and angle items were very great personal difference is specially.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.21 no.2
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• pp.103-109
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• 2010

Objectives : The purpose of the current study was to evaluate subject quality of life in depressed parents of boys with Duchenne/Becker muscular dystrophy (DMB/ BMD). In addition, a specific relationship between subject quality of life and the severity of depressive symptom was explored. Methods : The participants were 15 depressed parents who had moderate to severe depressive symptoms and 35 nondepressed parents of boys with DMD/BMD. All participants completed the World Health Organization Quality Of Life Scale, Brief Version and the Beck Depression Inventory. Other instruments included the Family Relationship Scale and the Child Behavior Checklist. Results : Among various model predictors, only higher score on the Beck Depression Inventory predicted lower scores on all domains of the World Health Organization Quality Of Life Scale, Brief Version. In addition, depressed parents had significantly lower scores on all domains of the World Health Organization Quality Of Life Scale, Brief Version including physical health, psychological health, social relationships, and environment, relative to non-depressed parents. Conclusion : Findings of the current study suggest that all domains of subjective quality of life may be influenced by depressive symptoms in parents of boys with DMD/BMD.

• Korean Journal of Child Studies
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• v.26 no.2
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• pp.55-74
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• 2005

This study investigated the effects of children's temperament and environmental factors on boys' and girls' noncompliance in ecological context. Observations were made of 62 children(34 boys and 28 girls, $\bar{x}$= 44 months) enrolled in child-care centers. Mothers and caregivers completed questionnaires. Data were analyzed by t-test, Pearson's Correlation, and three way ANOVA. Results showed no significant gender difference in noncompliance. There were correlations between children's activity level, maternal rejection and responsiveness, quantity of child-care and boys' noncompliance. For girls, only activity level and quantity of child-care were related to noncompliance. The effects of maternal child-rearing behavior and child-care variables on noncompliance varied by children's gender and temperament.

• Korean Journal of Child Studies
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• v.31 no.1
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• pp.35-46
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• 2010

This study analyzed variables that affect children's leadership qualities. The subjects were 400 five-year-old children and their mothers living in the Seoul metropolitan area. The instruments used in this study were the Young Children's Leadership Scale (Kim, 2006), Temperament(Hong, 2008), Peer Interaction (Choi, 2004), Mother's Verbal Control Modes(Do, 1997), and the HOME instrument (Rhee and Jang, 1982). The data collected was analyzed by descriptive statistics, Pearson's correlation, and multiple regression analysis. Our results indicated that (a) girls' scores on leadership were higher than those of boys. (b) Boys' leadership qualities were related to children's temperament, peer relationship, maternal verbal control modes, and home environment. (c) Girls' leadership qualities were related to children's temperament, peer relationship, and home environment. (d) In particular, it was noted that children's temperament (in terms of their sensitivity/endurance) was the strongest predictor for leadership qualities in both boys and girls.

• Advances in pediatric surgery
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• v.1 no.1
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• pp.85-94
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• 1995

Precocious puberty is difficult to define because of the marked variation in the age at which puberty begins normally, onset of puberty before 8 years of age in girls and 9 years in boys may be considered precocious. The etiology of precocious puberty in boys is usually idiopathic, but can result from adrenal and testicular tumors. The hepatoblastoma that produces hCG is a very rare functioning tumor known to cause precocious puberty in boys. Recently, author experienced one case of virilizing adrenal cortical adenoma in 22 month-old boy, one case of adrenal cortical carcinoma in 28 month-old boy, and one case of virilizing hCG-producing hepatoblastoma in 7 year-old boy and reviewed literatures.

• Child Health Nursing Research
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• v.9 no.2
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• pp.173-179
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• 2003

Purpose: The purpose of this study was to identify the effects of sex education using multimedia program on knowledge and attitude about sex. Method: The subjects of this study were 282 middle school boys in seoul. The data were collected from the 4th of Jun. to 30th of Jun. 2001. This program consisted of 6 subtopics and provided 3 sessions for each class. The per-test was given before the therapy to measure variables and the post-test was performed after intervention. The data were analyzed by the SAS program using t-test. Result: The results of this study are as follows. After intervention, the level of knowledge and attitude were increased significantly. Conclusion: The sex education using multimedia program is effective in helping middle school boys improve their healthy attitudes and thoughts toward sex.

• Korean Journal of Child Studies
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• v.28 no.2
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• pp.71-89
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• 2007

The subjects in this study of parenting attitudes, children's behavior problems and attention ability were 111 5-year-old children and their parents. Data was analyzed by mean, frequency, percent, three-way ANOVA, and Pearson's correlation. Results showed that behavior problems and attention ability of children varied by the parenting attitude of mothers and fathers. Behavior problems of boys were higher than girls, and boys' attention abilities were lower than girls.' Interaction effects were found between parenting attitudes and gender in children's behavior problems and attention ability : fathers' autonomy correlated negatively with boys' behavior problems (r=-.47), task processing speed (r=-.37), and attention inconsistency (r=-.36). Children's behavioral problems correlated positively with attention inconsistency (r=.28).