• The Journal of the Korea Contents Association
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• v.16 no.5
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• pp.96-103
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• 2016

The aim of this study was to confirm the effectiveness of learner-centered teaching models to reduce the dental anxiety. 18 children with age of 10 at the case group and 22 children with age of 10 at the control group was completed. Children from case group were participated in learner-centered oral health education, while those from control group were participated in instructor-led oral health education. Dental Anxiety Scale (DAS) at each groups were measured before oral health education, after then, oral health education of two types at each groups were separately conducted during 1-hour, 2 times. Learner-centered oral health education adapted the systematic desensitization (Tell-Show-Do) was conducted for case groups. Instructor-led oral health education was performed by using the presentation file (PPT). The change of Dental Anxiety Scale (DAS) were compare between case and control groups to evaluate the effect of learner-centered teaching type. After oral health education, DAS of the case and control groups at the baseline were 9.61 and 11.14, respectively, and the average DAS decline of case and control groups after oral health education were 2.48 and 0.55, respectively. These findings show that a learner-centered teaching type is an effective oral health program to reduce of dental anxiety in childhood.

• Proceedings of the Korean Society of Community Living Science Conference
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• 2009.09a
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• pp.81-81
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• 2009

중학교 식생활 단원 교육은 신체적 성장이 왕성한 청소년기에 접어진 학생들이 올바른 식생활을 하여 건강 유지 및 정상적인 성장발달을 하는데에 꼭 필요한 내용이다. 그리하여 본 연구에서는 학생들이 식생활단원 교육을 통해 교육내용의 활용정도나 전반적인 식생활 태도에 미치는 영향을 조사하고자 대전지역에 소재하는 4개 중학교 3학년 학생을 대상으로 2008년 12월 5일~16일까지 설문지조사를 실시하였다. 조사대상자의 성별은 여학생이 48.9%, 남학생이 51.1%이고 학생들의 부모의 연령은 40-49세가 각각 81.4%, 86.7%를 차지하고 부모의 직업에서 아버지는 사무직(34.4%)이 가장 많고 어머니는 가정주부가 44.5%로 가장 많았다. 부모의 학력은 대부분 고졸이상이며 가족형태는 핵가족이 90.5%이고 부모의 한 달 총수입은 500만 원 이상이 32.6%로 가장 많았다. 식생활단원 교육 후에 식생활에 대한 관심정도는 '관심이 생긴 편이다'(36.4%), '그저 그렇다'(33.8%)가 많았고 남 여 학생의 경향이 비슷하였다. 교육 후 가장 변화된 점은 '간단한 조리를 할 수 있게 되었다' 가 38.6%로 가장 높은 반면 '아무 변화가 없다'도 34.4%나 되었다. 식생활 태도에서는 5점 likert 점수에서 '식사시간이 규칙적이다'(3.36), '골고루 섭취한다'(3.39), '식사준비를 돕는다'(3.07)에서 보통 이상의 점수로 양호한데, 한편 '내가 먹은 음식의 영양분과 열량에 관해 알고 있다'가 2.57로 잘 모르는 편이고 '다이어트 보조음식이나 약을 먹는다'가 1.48로 그렇지 않은 편이었다. 식생활단원의 활용도에서는 5점 likert 점수에서 '성분과 유통기한을 확인한다'(3.93), '간단한 음식을 직접 만들 수 있다'(3.80)가 높은 점수이었고, 남학생이 여학생보다 '성분과 유통기한 확인한다'(P<.01), '조리기구는 안전하고 위생적으로 사용할 수 있다'(P<.05)에서 유의적으로 높았다. 이 활용도에 대한 학생들의 가정환경과의 상관성에서는 부모의 학력이 고졸 이상에서 중졸이하보다 유의적으로 높았고(P<.001), 부모의 직업의 경우, 아버지가 무직인 경우, 어머니가 가정주부인 경우에 직업을 가진 부모의 학생들에 비하여 유의적으로 활용도가 낮았다(P<.01). 부모의 한 달 총수입과의 상관성에서는 400~500만원 미만의 경우에 다른수준보다 유의적으로 활용도가 높았다(P<.05). 따라서 식생활단원 교육에 의해 변화가 없는 학생들도 상당히 많아 교육방법의 개선이 필요하며 그 활용도가 가정환경과 상관성이 있음을 파악할 수 있었다.

• The Transactions of the Korea Information Processing Society
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• v.13 no.6
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• pp.284-290
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• 2024

Speech emotion recognition (SER) is a technique that is used to analyze the speaker's voice patterns, including vibration, intensity, and tone, to determine their emotional state. There has been an increase in interest in artificial intelligence (AI) techniques, which are now widely used in medicine, education, industry, and the military. Nevertheless, existing researchers have attained impressive results by utilizing acted-out speech from skilled actors in a controlled environment for various scenarios. In particular, there is a mismatch between acted and spontaneous speech since acted speech includes more explicit emotional expressions than spontaneous speech. For this reason, spontaneous speech-emotion recognition remains a challenging task. This paper aims to conduct emotion recognition and improve performance using spontaneous speech data. To this end, we implement deep learning-based speech emotion recognition using the VGG (Visual Geometry Group) after converting 1-dimensional audio signals into a 2-dimensional spectrogram image. The experimental evaluations are performed on the Korean spontaneous emotional speech database from AI-Hub, consisting of 7 emotions, i.e., joy, love, anger, fear, sadness, surprise, and neutral. As a result, we achieved an average accuracy of 83.5% and 73.0% for adults and young people using a time-frequency 2-dimension spectrogram, respectively. In conclusion, our findings demonstrated that the suggested framework outperformed current state-of-the-art techniques for spontaneous speech and showed a promising performance despite the difficulty in quantifying spontaneous speech emotional expression.

• Clinical and Experimental Pediatrics
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• v.45 no.7
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• pp.855-861
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• 2002

Purpose : Thymus size can be affected by several factors and perinatal diseases can be estimated by its size. The purpose of this study was to search for a relationship between cardiothymic/thoracic(CT/T) ratio and perinatal diseases such as neonatal respiratory distress syndrome(RDS) and intrauterine growth retardation(IUGR) by measuring the width of the cardiothymic shadow at the level of the carina and dividing it by the width of the thorax at the costophrenic angles. Methods : A clinical study was conducted on newborn infants with RDS(n=51), IUGR(n=27), and premature rupture of membranes(PROM, n=48), who were admitted at NICU of Catholic University of Daegu from June 2000 to Oct. 2001. CT/T ratio was measured within six hrs of age, at 2-3 days of age, and at 5-7 days of age. Results : CT/T ratios of RDS group, IUGR group, and PROM group were $0.46{\pm}0.07$, $0.32{\pm}0.04$. $0.36{\pm}0.06$, respectively. CT/T ratios of RDS group within 6hrs of age, at 2-3 days of age, and at 5-7 days of age were $0.43{\pm}0.07$, $0.34{\pm}0.06$, $0.25{\pm}0.04$, respectively. There were statistically significances among the RDS group, the IUGR group, and the PROM group and in the RDS group at different times. Regression for gestational age among three groups was not statistically significant but correlation for gestational age in the entire groups was statistically significant. CT/T ratio between normal spontaneous vaginal delivery and c-section among three groups was not statistically significant. CT/T ratios with dexamethasone-treated group and untreated group was not statistically significant. Conclusion : We concluded that thymus size differed significantly in the perinatal diseases such as RDS and IUGR, and so can be used as an early diagnostic tool for perinatal diseases.

• Clinical and Experimental Pediatrics
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• v.45 no.7
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• pp.862-874
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• 2002

Purpose : We tried to evaluate whether the detection rate of Helicobacter pylori in gastric biopsy specimens could be improved by using pre-embedding immunoelectron microscopy. Methods : A total of 119 children who complained of upper gastrointestinal symptoms were endoscoped at the Gyeongsang National University Hospital from July, 1996 to July, 1999. Five biopsy specimens(three for urease test, one for hematoxylin-eosin(H & E) staining, and one for preembedding immunoelectron microscopy) were obtained from each antrum and body. Immunoblotting analysis were also performed. Results : Among the 119 patients, H. pylori were found in 116 patients(97.5%) by the immunoelectron microscopy. Among three patients who were found H. pylori negative in immunoelectron microscopy, two patients showed H. pylori in H & E stained slides and one patient was urease test positive(color change within six hours). Urease tests were positive in 107 patients(89.9 %). The positive rate of immunoblotting tests was 81.5%. However, only 13 patients(10.9%) showed H. pylori on the H & E stained antrum or body tissue. Conclusion : In this study, we found H. pylori histopathologically in most of the pediatric patients who complained of upper gastrointestinal symptoms. This study showed that pre-embedding immunoelectron microscopic examinations can be used as a gold standard in the diagnosis of childhood H. pylori infection. However, this method also has limited capacity to detect widely scattered H. pylori compared to the other histopathologic diagnostic methods.

• Journal of Nutrition and Health
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• v.52 no.5
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• pp.449-464
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• 2019

Purpose: North Koreans could be at higher risk for their bone health because of previous periods of severe famine and the continuing low availability of food. This study determined the bone mineral density (BMD) status and its relationship with dietary behaviors and nutrient intake of North Korean refugees (NKR) in South Korea (SK). Methods: This cross-sectional study analyzed 110 female NKR from a NORNS cohort of a non-probability sample of adult NKR in Seoul. BMD examined by DEXA was used to divide participants into the normal group (NG) and the non-normal group (NNG) according to the WHO guideline. A self-administered questionnaire included questions on age, the socioeconomic situation in North Korea (NK) and SK, the food security in NK and SK, and the health behaviors, dietary behaviors, and food frequency questionnaire administered in SK. A one-day 24-hr recall was conducted and the results were analyzed by using CanPro. SPSS was used to analyze whether BMD and related dietary behaviors and nutrient intakes differed according to the groups. Results: NG (62.7%) was significantly younger and had a lower abdominal obesity score than NNG (p < 0.001). While 14.5% of NG reported experiencing menopause, all of NNG reported experiencing menopause. The NG more frequently consumed the dairy group of foods (9.6 times a week) than did the NNG (4.8 times a week) after the statistics were adjusted for age (p < 0.007). The NG consumed significantly more animal protein and animal calcium than did the NNG (p = 0.01, p = 0.009, respectively). Calcium intake was low with 49.3% of NG, and 78.0% of the NNG reported consuming calcium lower than the estimated average requirement. Only calcium showed an index of nutrient quality lower than one in both groups. Conclusion: These results showed that NKR women and possibly all North Korean women are at high risk for bone health and they consumed low levels of bone-related nutrients, and this should be considered for the nutrition policy for NKR and North Korea.

• Journal of dental hygiene science
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• v.7 no.3
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• pp.187-191
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• 2007

In this study a research was conducted with 108 adolescents sent to three reformatories in D city to investigate their recognition of oral health so that they could assess their knowledge of oral health and improve oral health through correct oral health education. For this purpose, after the primary survey from June 13 to 28, 2006, oral health education was implemented through audio-vidual teaching aids and tooth-brushing training using one toothbrush per person, followed by the secondary survey using the same questionnaire. The research obtained the following results. 1. As for recognition of the concept of dental caries, the answer that it was a disease developing on teeth increased from 75.0% before oral health education to 82.4% after the education, which showed statistically significant differences (p < 0.001). 2. As for recognition of a preventive agent for dental caries, the answer that it was fluorine increased from 34.3% before oral health education to 75.0% after the education, which showed statistically significant differences (p < 0.001). 3. As for recognition of a good tooth-brushing method, the answer that it was a rotating method increased from 21.3% before oral health education to 95.4% after the education. 4. As for recognition of the amount of time for tooth-brushing, the answer that it was three minutes increased from 58.3% before oral health education to 88.9% after the education, which showed statistically significant differences (p < 0.001). 5. As for recognition of effects of smoking on oral health, the answer that it was bad increased from 65.7% before oral health education to 93.5% after the education. 6. As for recognition after oral health education for improving oral health, "completely agree" (78.7%) comprised the largest percentage (p < 0.001) for "teeth are important for health"; "completely agree" (76.9%) comprised the largest percentage (p < 0.001) for "correct tooth-brushing serves to prevent an oral disease"; "completely agree" (37.0%) comprised the largest percentage (p < 0.001) for "scaling is necessary to prevent a gingival disease"; "completely agree" (77.8%) comprised the largest percentage (p < 0.001) for "non-smoking is good for dental health"; "completely agree" (62.0%) comprised the largest percentage (p < 0.001) for "a seasonal medical check-up should be taken by all means".

• Journal of Korean Home Economics Education Association
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• v.20 no.1
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• pp.63-83
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• 2008

The purpose of this study was to investigate food involvement, dietary behavior and relationship according to the levels of nutrition knowledge. Data in this research was obtained by using the questionnaire which was given out to 528 subjects(boys 182, girls 346) in Naju city area. The awareness of dietary behavior of middle school students put the first priority on breakfast from among 3 meals a day, and they selected 'taste' as the most important criterion. The majority and above of subjects responded that they had ever delivered food at least more than 1 or 2 times a week. This research found that middle school students are tends to regard themselves as being rather close to obesity or fatness. Subjects were also aware that they have some problems with a unbalanced eating habbit and irregular timing of having meals, and more than 40% of the subjects responded that they obtain the most of information about food & dietary behavior through television. Significant difference was found in the food involvement with related variables such as sex, grade, the academic background of mother, self-perception of weight, the way of weight control, perception of problems requiring improvement. Dietary behavior related with variables showed significant difference. Variables are grade, perception of meal importance, selecting standard of food, method of weight control, improvement of eating habits. Dietary behavior is found highly relative with food involvement. Dietary behavior is found highly relative with food involvement. In conclusion, suggestions that could bring motivation to improvement is more essential to the nutrition education rather than knowledge oriented education.

• Clinical and Experimental Pediatrics
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• v.49 no.9
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• pp.959-965
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• 2006

Purpose : The purpose of this study was to investigate the effect of prophylactic indomethacin on reduction of patent ductus arteriosus(PDA) and intraventricular hemorrhage(IVH) in extremely low birth weight infants(ELBWI). Methods : Retrospective review of 84 ELBWI who were admitted to our neonatal intensive care unit from June 2004 to April 2006 was performed. Patients were divided into prophylactic group(n=28) and control group(n=56), where prophylactic indomethacin were given within 6 hours after birth. Clinical outcomes were compared between these groups. Results : There were no significant differences in gestational age, birth weight, incidence of hemodynamically significant PDA and severe IVH, and mortality between prophylactic group and control group. However, there were more frequent indications for therapeutic indomethacin, higher incidence of intestinal perforation, and longer time to achieve full enteral feeding in prophylactic group than control group. The incidence of other adverse events attributed to indomethacin prophylaxis did not differ between two groups. Conclusions : Prophylactic indomethacin may not prevent hemodynamically significant PDA and severe IVH in ELBWI. On the contrary, it may be associated with increased risk of adverse events. Further efforts should be investigated to decrease PDA and severe IVH in ELBWI.

• Clinical and Experimental Pediatrics
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• v.46 no.8
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• pp.795-802
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• 2003

Purpose : We investigated the hormonal control of OB gene expression and leptin secretion in cultured human visceral adipose tissue. Methods : Visceral adipose tissues were cultured for up to 48 hrs in modified Eagle's medium with varying concentration of hormones : Control(no hormone), bovine insulin(100 nM), Dexamethasone(DEX, 100 nM), growth hormone(GH, 40 ng/mL), insulin+DEX(100 nM each), insulin+DEX+GH(100 nM insulin and DEX, 40 ng/mL GH). Quantitative analysis of leptin mRNA was performed by competitive reverse transcription polymerase chain reaction, and leptin secretion in culture medium was measured by IRMA using a commercial kit. Results : The addition of dexamethasone to the medium significantly increased OB gene expression and leptin secretion(P<0.05). Unlike dexamethasone, insulin did not affect OB gene expression and leptin secretion. Both insulin and dexamethasone, at high concentration, significantly stimulated leptin secretion compared with basal values(P<0.05). Leptin gene expression was not significantly increased by GH treatment alone, however GH, in combination with high concentrations of insulin and dexamethasone, attenuated the stimulatory effects of high concentrations of insulin and dexamethasone. Conclusion : Insulin cannot increase leptin secretion without the presence of dexamethasone. The mechanism suggested is that insulin may increase leptin secretion in cytoplasm only after dexamethasone increases the expression of OB gene. Further studies are necessary to elucidate the mechanism of the action of insulin on leptin secretion after increasing OB gene expression by dexamethasone.