Impact of Oral Health on Depression: Use of the 8th National Health and Nutrition Survey

정호진,이정화 대한의생명과학회 2023 Biomedical Science Letters Vol.29 No.4

In this study, we use data from the 2021 National Health and Nutrition Examination Survey to determine the relationship between oral health and depression in Korean adults and provide basic data to prevent oral diseases that affect depression. The final subjects of the study were 5,952 adults aged 19 or older among the 7,090 subjects who responded to the survey in the 3rd year of the 8th period (2021), and the total frequency discrepancy in the research results was omitted due to missing values. Complex sample logistic regression analysis was performed to confirm the relationship between oral health and depression. Depression according to general characteristics depends on gender (P < 0.001), number of household members (P = 0.047), and subjective health level (P < 0.001). Depression according to oral characteristics was statistically significant for complaints of chewing discomfort (P = 0.006) and toothache within the past year (P = 0.023). As a result of analyzing factors affecting depression, in terms of gender, men are 0.43 times more likely than women (95% CI: 0.28~0.65), and in terms of subjective health level, good compared to bad is 0.46 times more likely (95% CI: 0.28~0.75), the average was 0.59 times (95% CI: 0.40~0.87) higher, which was statistically significant. Therefore it seems necessary to improve mental health such as depression in order to relieve oral discomfort and to motive people to take responsibility for won health through oral health education programs related to oral health to oral health related to oral health and mental health.

Effect of Visual Feedback Squat Motion on Core Muscles Thickness of Young People with Lower Back Pain

정호진,박치복,김용남 대한물리치료학회 2019 대한물리치료학회지 Vol.31 No.4

Purpose: This study examined the effect of visual feedback squat on the core muscle thickness of young adults experiencing back pain. Methods: Thirty adult men and women who experienced back pain were assigned randomly to 15 members of the visual feedback squat group (VSG) and 15 of the normal squat group (NSG) to train three times a week for a total of eight weeks. The core muscle thickness was compared prior to the test for four weeks and eight weeks after the test by dividing it into warm-up exercise, main exercise, and 10 minutes finishing exercise. Before, and four weeks and eight weeks later, the thickness of the core muscle was compared using an ultrasonic imaging system. Repeated measured ANOVA was performed to compare the groups, and a Bonferroni test was performed as a post-hoc test to assess the significance of the timing of the measurements in each group according to the periods. An independent t-test was conducted to test the significance between the groups according to the measurement points. Results: A significant change in the main effects of time and interactions of the time difference in muscle thickness of transvers abdominis were observed between the visual feedback squat and control groups according to the measurement point (p<0.05). No significant difference in the muscle thickness of both muscles was observed between the groups with the exception of the right abdominis (p>0.05). Conclusion: These findings suggest that visual feedback squat exercise is expected to have positive effects on the development of transverse abdominis in core muscles.

교육실습 현장에서 초등 예비교사들의 시선 속 체육수업 담론에 대한 푸코적 분석

정호진 한국초등체육학회 2012 한국초등체육학회지 Vol.17 No.4

레드 비트의 첨가가 냉장저장 중 저지방 소시지의 품질과 발색 안정성에 미치는 영향

정호진,이홍철,진구복,Jeong, Ho-Jin,Lee, Hong-Chul,Chin, Koo-Bok 한국축산식품학회 2010 한국축산식품학회지 Vol.30 No.6

본 연구는 아질산염을 저감화 한 저지방 소시지를 개발하기 위해, 아질산염과 균질한 레드 비트의 첨가량을 달리하여 저지방 소시지(자비, 훈연)를 제조하였고, 품질특성과 냉장 저장 중 pH와 색도를 평가하였다. 레드 비트 첨가는 저지방 소시지의 품질에 유의적인 영향을 주지 않은 반면 레드 비트 1% 첨가가 저지방 자비 소시지의 적색도를 증진시키는 데 효과적이며, 특히 아질산염 저감화 조건에서 레드 비트의 첨가는 적색도 증진에 매우 효과적임을 알 수 있었다. 또한 아질산염 75 ppm 첨가구는 레드 비트의 첨가에 상관없이 대조구이상의 적색도를 보였으나, 레드 비트 함량이 1% 이상일 경우 황색도에서 차이를 보였다. 한편, 훈연소시지에서 레드 비트의 첨가는 아질산염 150 ppm 첨가 대조구에 비하여 명도를 감소시켰으나, 적색도는 유의적인 영향을 주지 않았다. 반면에, 저장기간 동안 색도의 변화에서는 레드 비트(1%)만 단독 첨가한 저지방 훈연 소시지의 적색도가 유의적으로 감소된 반면에, 아질산염(75 ppm)과 레드 비트(0.5%)를 조합한 처리구는 저장기간 동안 적색도를 유지하였으며, 아질산염 150 ppm 첨가 대조구의 적색도와도 유사하게 나타났다. 결론적으로 아질산염의 첨가는 저지방 소시지의 보수성과 색도에 영향을 주었고, 레드 비트의 첨가는 적색도와 발색안정성에 효과적이었다. 특히, 레드 비트 0.5%와 아질산염 75 ppm의 조합은 저장기간 중 저지방 소시지의 적색도를 유지함에 따라 아질산염을 저감화 한 저지방 소시지(훈연, 자비)의 제조를 위해서는 레드 비트 0.5%와 아질산염 75 ppm의 첨가 조합이 적당하다고 판단된다. This study was performed to evaluate the quality characteristics of low-fat boiled or smoked sausages containing sodium nitrite and various levels of red beet during refrigerated storage. Physicochemical properties of boiled and smoked sausages were not affected by the addition of red beet (p>0.05), except for the color values. The interaction between treatment and storage time had significant effects on redness and yellowness of boiled sausages, and on redness of smoked sausages (p<0.05). Boiled sausages containing more than 0.5% red beet decreased lightness and increased redness and yellowness (p<0.05). During storage time, redness decreased and yellowness increased (p<0.05). The combination of sodium nitrite with red beet was better than red beet alone for color stability. In the smoked sausages, addition of red beet decreased lightness, but redness (p<0.05), unlike the boiled sausages, did not change. Redness of sausages containing red beet alone decreased with increased storage time (p<0.05), but there was no change (p>0.05) upon treatment with the combination of sodium nitrite and red beet. These results indicate that the combination of red beet and sodium nitrite contributed to color stability of smoked sausages during refrigerated storage. Therefore, we suggest that red beet as a natural colorant may be used to reduce the content of nitrite during low-fat sausage processing.

장단기 메모리 네트워크와 최소 평균 제곱 적응 필터를 활용한 능동 진동 제어 기법의 시스템 식별 성능 비교 연구

정호진,김혜진,김형모,조해성,김중관 한국항공우주학회 2023 韓國航空宇宙學會誌 Vol.51 No.7

This paper presents a comparative study of active vibration control methods through system identification. The focus is on optimizing the transfer function coefficients of the Least Mean Squares (LMS) adaptive filter and the data-based identification and prediction algorithm for hidden state with Long-Short Term Memory (LSTM). To compare the performance of the two system identification methods, a simple low pass system is used, and both methods show appropriate system identification and prediction performance with 0.005, 0.008 RMSE value with training data and 21dB, 27dB PSD reduction compared to original test data, respectively. This paper also shows system identification and data prediction performed for the rotor hub and control surfaces of a medium-sized rotary-wing aircraft, Using ABAQUS data. The results showed that the LMS adaptive filter achieved a 0.035 RMSE value with training data and a 8.78dB PSD decrease compared to the original test data, indicating appropriate system identification and prediction performance. However, the long-term memory structure experienced overfitting during training, indicating the need for network structure optimization. 최소 평균 제곱 (least mean squares, LMS) 적응형 필터의 전달 함수 계수 최적화와 장단기 메모리의 데이터 기반 hidden state 식별 및 예측 알고리즘을 활용하여 시스템 식별을 통한 능동 진동 제어 방법에 대한 비교 연구를 수행하였다. 두 시스템 식별 방법의 비교를 위해 단순 저역 통과 시스템을 먼저 고려하였으며, 두 방법 모두 적절하게 시스템 식별을 수행하여 훈련 데이터는 각각 0.005, 0.008의 RMSE 값을 보였으며 시험 데이터는 원 신호 대비 21dB, 27dB의 PSD 감소 효과를 보여 적절한 예측 성능을 보였다. 마지막으로 ABAQUS를 활용하여 중형 회전익 항공기의 로터 허브와 조종석에 대한 시스템 식별 및 데이터 예측을 수행하였다. 그 결과 LMS 적응형 필터는 0.035의 RMSE 값, 원 신호 대비 8.78dB의 PSD 감소를 보여 적절한 시스템 식별과 예측 성능을 확인하였으나 장단기 메모리 구조는 훈련 중 과적합 현상이 발생하여 네트워크 구조 최적화가 필요함을 확인하였다.

Polymer Metal Ion-Induced Metal Oirganic Framework Formation Synthesis(PMIMOF) derived PVA/ZIF-8 Mixed Maxtrix Membranes (MMMs) for dehydration of isopropanol

정호진,조계용,손민영,문명준 한국공업화학회 2021 한국공업화학회 연구논문 초록집 Vol.2021 No.0

생활을 바꾸는 퓨전과 세상을 바꾸는 컨버전스

정호진 전남대학교 기업경영연구소 2007 經營情報 Vol.18 No.1

응집 공정을 계속적으로 관찰하기 위한 새로운 광학 기술

정호진 대한환경공학회 1998 대한환경공학회 학술발표논문집 Vol.1998 No.12

고용허가제(EPS)가 인력 송출국에 미치는 영향 - 한국어 보급과 한국문화 파급 효과를 중심으로 -

정호진 한국언어문화교육학회 2014 언어와 문화 Vol.10 No.1

This study aims to analyse the effect of Employment Permit System(EPS) to fifteen labour-sending countries focusing on the distribution of Korean language and the impact of Korean culture. In considering the distribution of Korean language, I present universities which have Korean language education as a major, and King Sejong Institutes and Korean Education Centers which are established in labour-sending countries. In all countries, Korean language education has been vitalized in both formal and informal educational institutes. For the consideration of the impact of Korean culture, I discuss the change which has appeared in the export of Korean cultural products such as dramas, films, K-pops, and so on. The amount of export to labour-sending countries has rapidly been increased. Various phenomena caused by the influence of Korean culture are also discussed. Some Korean dramas are introduced in local broadcasts and K-pop music is loved by the younger generation. Also, some Korean restaurants are open for business. The stability and development of EPS will continually have a positive influence on the distribution of Korean language education, and accelerate the impact of Korean culture to labour-sending countries.

싱가포르의 역량 중심 인성/시민교육과 초등 체육교육의 융합

정호진 차세대컨버전스정보서비스학회 2022 차세대컨버전스정보서비스기술논문지 Vol.11 No.1

The 2022 new national curriculum in South Korea focuses on developing competencies required in a future society. In Singapore, competency-based Character and Citizen Education(CCE) was introduced to schools. CCE is implemented beyond the boundaries of each subject and contains Core Values, Social and Emotional Competencies, and Emerging 21st Century Competencies. This study aims to explore how CCE and primary school physical education are converged to strengthen students' competencies. Competency-based CCE enables students to learn the competencies necessary to grow into mature citizens with good character. In doing so, students take on responsible roles in each area for him/herself, family, school, community, country, society and Singapore's future. The Singapore Ministry of Education is deeply involved at the government level to strengthen students with the competencies in CCE, and schools implement it through each subject so that its concrete implementation can be achieved. The results of this study are expected to provide an insightful idea on the establishment and operation of plans for each local government in the Personality Education Promotion Act and the detailed composition and direction of the 2022 new national curriculum for each school. 대한민국의 2022 개정 교육과정은 미래 사회에서 요구되는 역량 함양에 중점을 두고 있다. 싱가포르에서도 역량 중심 교육 강화를 위해 각급 학교에 인성/시민교육을 도입했다. 인성/시민교육은 각 교과 구분의 경계를 넘어 구현되며 인성/시민교육의 핵심 가치, 사회적/정서적 역량 및 새롭게 출현하는 21세기 역량을 담고있다. 이 연구는 인성/시민교육과 초등 체육교육이 학생들의 역량 강화를 위해 어떻게 융합되어 있는지에 대해 탐색하고자 한다. 역량 중심 인성/시민교육은 학생들이 좋은 인성을 갖춘 성숙한 시민으로 성장하는데 필요한 역량들을 배운다. 이를 통해, 학생들은 개인, 가족, 학교, 공동체, 국가, 사회 그리고 나아가 싱가포르의 미래를 위해 각 영역에서 책임 있는 역할을 감당하게 된다. 싱가포르 교육부는 인성/시민교육에서 포함하고 있는 핵심 역량을 학생들에게 강화하기 위해 국가 수준에서 깊이 관여하고 있으며, 학교는 이에 대한 구체적 실행이 이루어지도록 각 교과를 통해 구현해낸다. 이 연구의 결과는 대한민국 인성교육진흥법의 지자체별 계획 수립 및 운영과 2022 개정 교육과정의 학교별 세부 구성 및 방향에 대한 통찰력 있는 아이디어를 제공할 수 있을 것으로 기대된다.