• 한국학교보건학회지
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• 제30권3호
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• pp.325-335
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• 2017

Purpose: The purpose of this study was to investigate the effect of physical activity on suicidal ideation according to gender in South Korean adolescents. Methods: This study is designed as a cross-sectional study. Using the statistics from the 12th (2016) Korea Youth Risk Behavior Web-based Survey, hierarchical logistic regression analysis was conducted. The study sample comprised 62,558 middle and high school students aged primarily 12 to 17. Results: The rate of engaging in physical activity more than three times a week was 39.6% for boys and 28.8% for girls and the rate of suicide ideation was 9.35% for boys and 14.9% for girls. Male students were 1.42 times more likely to commit suicide when they did not engage in physical activity than when they do more than three times a week but it was found to have no significant effect on female students. Conclusion: Physical activity should be encouraged in the physical education curriculum and the school health area to reduce suicidal ideation in adolescents. Differentiated interventions are required according to gender. It is suggested that intervention programs involving physical activity be implemented more actively for male students and intervention programs centering on obesity and smoking prevention be implemented for female students.

• 복식
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• 제59권8호
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• pp.97-109
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• 2009

The purposes of this study were to investigate the relationships between appearance interest, appearance satisfaction, and life satisfaction of adolescent, to disclose the differences of these variables according to demographic characteristics, and to examine the determinants of life satisfaction. The subjects were 322 teenaged girls (167 middle school students and 155 high school students) living in Seoul. The variables of appearance interest were plastic surgery, weight control, clothing interest, and hairstyle interest. Life satisfaction included school life satisfaction and daily life satisfaction. Appearance satisfaction had negative relationships with plastic surgery interest and weight control interest, while appearance satisfaction had no relationships with clothing interest and hairstyle interest. School life satisfaction and daily life satisfaction had negative relationships with plastic surgery interest. The upper class adolescents had high level of clothing interest and life satisfaction, and lower class adolescents had high level of plastic surgery interest and had low appearance satisfaction as compared to other classes. The adolescent group with high school grade had high level of appearance satisfaction, and the group with low school grade had high level of weight control interest. The life satisfaction was influenced by appearance satisfaction the most, and the next in the order by school grade, residence area, and weight control interest. The explanatory power of the four variables was 30.8%. Social stratification and whether mothers had an occupation or not had an indirect effect on the life satisfaction.

• 한국학교보건학회지
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• 제12권1호
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• pp.109-129
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• 1999

AIDS is worldwide problem. It has threatens societies and is potentially a big problem among youth. UNAIDS has warned that collective global responses are necessary; with half of the newly infected being children and young people in 1998, educating youth below age 24 is essential. Because of both their unexpected, strong sexual activities and an easjer tendency to change their behavior than adults, UNAIDS emphasizes the importance of prevention education for youth. In Korea, 4 cases of HIV infection have officially been reported among high school students. Considering the potential seriousness of HIV infection among youth, the Korean AntiAIDS Federation (KAAF) began an education programme for Korean youth (middle & high school pupils) as one intervention method in 1993. The purpose of this study is to evaluate the impact of the education programs performed and to develop a better programme. The intervention method used in this study was mainly a lecture in a big or small auditorium or through broadcasting systems using audio-visual teaching aids. The period of this survey was from Nov. 10 to Dec. 26. in 1998. The subjects surveyed were 792 pupils who were sampled from 12 different middle and high schools in Seoul by a two-stage cluster sampling. Self-recording the structured questionnaire was used for data collection. Data were analyzed by using a paired t-test to compare the knowledge difference before and after the interrention method. A chi-square test to compare the consciousness difference between pre-post-education results was used, and an ANOVA was ased to compare the knowledge difference among the selected groups. Major results of this study are summarized as follows: (1) AIDS knowledge significantly changed after AIDS prevention education. (2) The direct lecture in a big or small auditorium is more effective than an indirect lecture through a broadcasting system or through audio-visual teaching aids. (3) Those who had not seen obscene materials (e.g. pornography films, magazines etc.) acguired much more knowledge than others after AIDS prevention education. (4) Those who had no girlfriend/or boyfriend acquired much more knowledge than the others after AIDS prevention education. (5) As to the attitudes toward chastity, more girls than boys and students who had not seen obscene materials rather than those who already had were liable to support the state ment: "all should remain chase" and their consciousness on "being chaste" changed much more than that of others after intervention. (6) As to the individual evaluation of lectures, 23.1% shows "very good", 44.1% "good", 26.9% "normar" '-' thus, the positive evaluation was to 94.2%. The negative response was 5.8%. (7) As to the desire for AIDS education sponsored by KAAF in the future, more than 90.5% showed a positive reaction. (8) As to the educators in future education methods, pupils wanted lecturers from outside their schood. (9) Students from vocational high schools have seen obscene materials much more than other groups and the percentage of those who had a girlfriend/or boyfriend was higher than that of the others as wello. (10) 90% of those who watched obscene materials responded that they experienced these materials while at middle school and 100% before reaching the second grade of high school. (11) The number of boys who have experienced obscene materials is twice as many as that of girls. (12) The percentage of boys who have a girlfriend is much higher than the percentage of girls who have a boyfriend. (13) Among those who have friends of the opposite sex, 11.1% say that they hare had sexual contact and 20.8% hare experienced kissing and caressing.

• Journal of Preventive Medicine and Public Health
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• 제26권3호
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• pp.347-358
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• 1993

The purpose of this study is to analyze the relationship between the blood pressure level and their sexual maturity and physical growth in the children at puberty. For this purpose, we estimated the blood pressure, physical growth and sexual maturity of the boys of 335 and girls of 373 who are in the middle schools which are located in Kangwha County, Kyungki-Do. Both systolic and diastolic pressure were measured twice. Such physical growth as height, body weight, skin fold thickness, waist circumference, hip circumference and arm circumference were measured. The sexual maturity was estimated according to the classification of Tanner's 5-phase-sexual-maturity : in boys, their pubic hair development phase : in girls, their pubic hair and breast development phase and the menstrual experience. In the phase of the pubic hair development, the boy's sexual maturity was distributed into this; the 1 st 56.4%, the 2nd 29.3%, the 3rd 9.9%, the 4th 4.1% and the 5th 0.3%. While the girls sexual maturity was distributed into this the 1st 20.5%, the 2nd 34.9%, the 3rd 30.6% the 4th 12.6% and the 5th 1.3% in the phase of the pubic hair development, and the 1st 0.8%, the 2nd 13.7%, the 3rd 36.2%, the 4th 18.8% and the 5th 30.5% in the phase of the breast development. This indicated that the girls sexual maturity was higher than those of the boys. The girls menstrual experience rate accounted to the 58.2%. In order to see the relationship between the children's sexual maturity and blood pressure level, we regress blood pressure level on physical growth (i.e., height, BMI) and sexual maturity. Sexual maturity in treates as dummy variables. As the resulf of this analysis, the boys' sexual maturity has nothing to do with the blood pressure either systolic or diastolic. But the girl's systolic pressure was statistically significant ; the 9% of the physical growth, the 5% of the pubic hair development and the 4% of the breast development in sexual maturity was explained. In the girls' diastolic pressure, only their pubic hair development was statistically significant ; the 7% of the physical growth and the 7% of the pubic hair development in the diastolic was explained and the 5% of the physical growth in the diastolic Korotokoff phase IV and the 2% of the pubic hair development in the diastic Korotokoff phase was explained, especially, the girls exprienced menstruation, their systolic and diastolic pressure were significantly high (P<0.01). Conclusively, in the first grade children attending middle schools who are in the early process of the sexual development, the sexual maturity was not related to blood pressure level, on the other hand, the blood pressure level of the girls who are more sexual development than those of the boys' have something to do with sexual maturity and physical growth.

• 한국학교보건학회지
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• 제25권2호
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• pp.214-221
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• 2012

Purpose: This study was to assess the association of internet addiction and depression, stress and suicidal ideation among adolescents. Methods: The authors have surveyed 2 middle schools and 2 high schools located in Seoul and analyzed 525 questionnaires. The questionnaire included the Internet Addiction Self Diagnosis Index (K-index), Child Depression Index (CDI), Stress Index and Reynold's Suicidal Ideation Index. Structural equational model analysis was done to explore the association between internet addiction and suicidal ideation. Results: The adolescent internet addiction groups were classified as the high risk group 12 (2.3%), the potential risk group 64 (12.2%) and the normal group 449 (85.5%). When classified according to sex, the high risk group is consisted of 8 (3.9%) boys, 4 (1.3%) girls and the potential risk group is consisted of 41 (64.1%) boys and 23 (35.9%) girls which leads to the conclusion that boys are relatively more addicted compared with girls. The group with more addiction showed higher depression scores, stress scores and suicidal ideation scores. The correlation analysis showed the significant relations between internet addiction and depression (r=0.263), stress (r=0.265) and suicidal ideation (r=0.284). According to the structural equation model analysis, internet addiction had direct effects on the depression and indirect effects on suicidal ideation. Stress had the significant direct effects on both internet addiction and depression. Depression had a significant direct effect on suicidal ideation. Conclusion: Internet addiction affects directly and indirectly an depression and suicidal ideation among adolescent.

• 가정과삶의질연구
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• 제25권3호
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• pp.59-75
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• 2007

This study investigates the effects of parent-adolescent communication, adolescent self-esteem, and strategies in peer conflict situations on the satisfaction of adolescents with their peer relationships. The subjects included students attending a girls' and a boys' middle school in Gongju City. Random sampling was used to pick a class from each of the three grades in the schools. 233 students, who's both parents were living, were used in the final analysis in an effort to examine the impacts of student communication with parents on student satisfaction with their friends. The findings were as follows: the subjects most often used the yielding type of conflict-resolving strategy, followed by the cooperating, compromising, dominating, and avoiding strategy-type. The girls showed a higher level of parent-child communication than the boys. Girls had high self-esteem and mostly adopted the cooperating type of conflict-resolving strategies, followed by the yielding, compromising, dominating and avoiding strategy-type. The boys mostly employed the yielding strategy type followed by the cooperating, compromising, dominating, and avoiding strategy-types. The results indicate that the satisfaction level with friends was high among those who used the avoiding strategy-type less and yielding strategy-type more. Girls were found to have high self-esteem and engaged in communication with their parents. The compromising, cooperating, and dominating types of conflict-resolving strategies did not exercise significant influences on their satisfaction with friends.

• Nutrition Research and Practice
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• 제15권3호
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• pp.396-410
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• 2021

BACKGROUND/OBJECTIVES: High-quality meal intake, including snacks, is necessary for optimal development during adolescence. The purpose of this study was to evaluate the nutritional intake of adolescents and the quality of their diet according to snack type, eating location, and sleep hours. SUBJECTS/METHODS: A survey of middle school students living in Seoul and Gyeonggi province was conducted using questionnaires and the 24-h recall method to collect data on the 1-day dietary intake of the students from March to May, 2018. The data were analyzed using SPSS 23.0 and the CAN program. RESULTS: The average nutritional intake status among the respondents showed that the energy intake was lower than the recommended, showing 1,914.8 kcal for middle school boys and 1,752.7 kcal for girls. In terms of the nutritional intake status by gender, only the consumption of protein and niacin were significantly higher in boys than girls (P < 0.05). According to the sleep amounts, vitamin C intake was significantly higher in the sleep-deprived group than in the sleep-moderate or sleep-recommended group (P < 0.05), but the intake did not meet the recommendation in any group. The lower density nutrients found in the index of nutritional quality according to eating places were vitamin C, calcium, iron, and folic acid. School meals showed a higher nutritional density in protein, vitamin B₁, and niacin compared to convenience store meals (P < 0.05). CONCLUSIONS: This study suggested that sleep amount, and eating place affected the dietary quality of adolescents.

• 한국주거학회논문집
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• 제4권1호
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• pp.47-55
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• 1993

The research was carried out by posing a questionnaire, making middle and high schoolstudents 549 in Taehu an object of this research, in order to grasp the residential outlook of juveniles.1. The first order of reason why they have resided in present their houses was by a school group and their parents' choice and work place and second order of reason was by their parents' choice, life convenience in present house add traffice convenience And there was littledifference in the first and second residential reasons according to sew.2. In compareson with past and present house type, past and present house type shewed same tendency and future wanted house type was separate house absolutely.3. Points to be considered in selectong future were in the order of facilities, traffice,, surrounding, educational, social and economical circumstances. There was little difference in almost items to be considered in choosing accordant to sew. But in case of schoolgirls, they consisered more items in selecting houses than in schoolboys.4. As a result of researching ideal house of juvenile, happy family was most Preferred and the desire to possess house was expressed strongly.5. The first value on house was health of family, the stability, the stabi]ity and the residential convenience. And schoolboys attacged more importance to the gealth of family, ghe stability and the education fer children than in case of school-girls but on the other hand school girls attached more importance to economical value house and happy and harmonious family.

• Journal of Nutrition and Health
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• 제56권6호
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• pp.667-682
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• 2023

본 연구는 국민건강영양조사 2019-2020년 자료를 활용하여 한국 남녀 중, 고등학생을 대상으로 coronavirus disease 2019 (COVID-19) 전후의 건강행태, 정신건강 및 영양 상태를 비교하기 위해 수행되었다. 신체계측은 COVID-19 이후 남자 중학생에서 과체중과 비만 비율이 증가하는 경향을 보였으나 유의적인 차이는 아니었다. 건강행태 및 신체, 정신건강을 비교하면 COVID-19 이후 남자 고등학생에서 하루 60분 신체 활동 실천 일수가 줄고 중성지방, 헤모글로빈 수치가 낮아졌다. 남자 중학생은 이완기 혈압과 인슐린농도가 높아지고, 여자 중학생은 공복혈당, 여자 고등학생은 당화혈색소 수치가 낮아졌다. 남녀 중학생에서 COVID-19 이후 스트레스를 조금 느끼거나 거의 없다는 비율이 높았으며 여자 중학생에서는 아침식사 결식률이, 남녀 중, 고등학생 모두에서는 가족과 점심식사를 동반한다는 비율이 높아졌다. COVID-19 이후 남자 중학생은 우유류가, 여자 중학생은 감자류, 야채류, 음료류에서 평균섭취량이 낮으며 전반적으로 영양소 섭취가 부족했음을 알 수 있었다. 영양소 섭취량은 COVID-19 이후 남자 중학생에서 인과 나이아신 섭취량의 감소, 여자 중학생에서 칼륨, 비타민 C 섭취량의 감소, 그리고 여자 고등학생에서는 비타민 C와 리보플라빈의 섭취량이 감소하는 변화를 나타냈다. 위 결과를 통해 COVID-19 팬데믹 상황에서 청소년의 건강상태는 비교적 잘 유지하고 있었으나 신체활동 부족, 식습관 변화, 일부 영양소 섭취 부족이 나타났음을 확인하였다.

• Journal of Nutrition and Health
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• 제32권6호
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• pp.691-704
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• 1999

The purpose of this study was to analyze the relations among the three factors: 1) characteristics of family, 2) nutrient intake status and 3) academic achievements. The subjects in this study were 7,698 boys and girls attending primary, middle and high schools in South Korea. The questionnaire was made and distributed to the student to answer the questions about family background and food intake status. Food intake frequency method was used to examine nutrient intake status. Academic achievement results of last semester were taken from students school records. Followings are the results of the study:1. Most of the mean nutrient intakes were above the Korean recommended dietary allowances. However, calcium, iron, and vitamin A intakes were below the Korean recommended dietary allowances. Therefore, it is recommended to increase the intake of these nutrients in these students to meet the RDA.2. Total amounts of food intake were decreasing in higher grades and food intake of boys was higher than that of girls. 3. Educational period of parents and economic status of family had grades influences on student's academic achievement and nutritional status. The students with parents of higher education and higher economic status had better academic achievement and balanced nutritional status. 4. When students were divided into three groups with respect to the percentage of recommended nutrient intake, the group with nutrient intake of 75-125% of RDA achieved better academic achievement than other groups. In conclusion, educational length and economic status of parents and optimal intake of nutrients (75-125% of RDA)by students significantly affected academic achievements of the students.