Effects of Dietary Habits on General and Abdominal Obesity in Community-dwelling Patients with Schizophrenia

Mina Kim(Mina Kim),Soo Jin Yang(Soo Jin Yang),Hyang Hee Kim(Hyang Hee Kim),Anna Jo(Anna Jo),Min Jhon(Min Jhon),Ju-Yeon Lee(Ju-Yeon Lee),Seung-Hyung Ryu(Seung-Hyung Ryu),Jae-Min Kim(Jae-Min Kim),Young- 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.1

Objective: To investigate the effects of dietary habits on general and abdominal obesity in community-dwelling patients with schizophrenia spectrum disorder according to sex. Methods: A total of 270 patients with schizophrenia spectrum disorder registered at mental health welfare centers and rehabilitation facilities were recruited. General obesity was defined as a body mass index ≥ 30 kg/㎡, and abdominal obesity was defined as a waist circumstance ≥ 90 cm in men and ≥ 85 cm in women. Dietary habits were evaluated using dietary guidelines published by the Korean Ministry of Health and Welfare. Demographic and clinical characteristics along with dietary habits and information related to obesity were collected. Factors related to obesity were evaluated separately by sex. Results: Dietary habits differed according to sex, in that scores for healthy eating habits were lower in men than in women. In men, the prevalences of general and abdominal obesity were 17.0% and 37.3%, respectively. In women, the prevalences of general and abdominal obesity were 23.1% and 38.5%, respectively. Regression analysis showed that the scores of regular eating habits were negatively associated with general and abdominal obesity in men, and the scores of healthy eating habits were negatively associated with general and abdominal obesity in women. Conclusion: Among patients with schizophrenia, regular eating habits might reduce the risk of obesity in men, and healthy eating habits might reduce the risk of obesity in women. Nutrition education should be provided to community-dwelling patients with schizophrenia to prevent obesity in this population.

Developmental and reproductive effects of tamoxifen on Daphnia magna

Jo, Mina,Lee, Sangwoo,Yoon, Seokjoo,Kim, Woo-Keun D. Reidel Pub. Co 2018 Environmental monitoring and assessment Vol.190 No.11

K-MOOC 강좌에서 지각된 유용성, 지각된 용이성, 이러닝효능감, 교수실재감, 학습만족도, 학습지속의향의 관계 규명

조미나 ( Mina Jo ),김기덕 ( Kiduck Kim ),김정현 ( Jeonghyun Kim ),김정겸 ( Jeongkyoum Kim ) 한국교육공학회 2022 교육공학연구 Vol.38 No.2

본 연구에서는 시간, 장소, 비용, 학점 이수에 대한 강제성이 없는 MOOC(Massive Open Onlins Course) 강좌에서 지각된 유용성과 지각된 용이성(환경적 요인), 이러닝 효능감(학습자 요인), 교수실재감(교수자 요인)이 학습만족도를 매개하여 학습지속의향에 어떠한 영향을 미치는지를 검증하고자 하였다. 2020년 3월부터 2020년 12월까지 A대학에서 운영한 K-MOOC 10개 강좌를 수강한 수강생을 대상으로 2020년 11월 25일부터 12월 2일까지 8일간 온라인 설문조사를 실시하였으며, 결측치를 제외한 총 158명의 자료를 활용, 구조방정식 모델(SmartPLS)을 이용하여 각각의 변인 간의 관계성을 검증하였다. 연구 결과는 다음과 같다. 첫째, 지각된 유용성과 지각된 용이성은 학습만족도에 영향을 미치나, 학습지속의향에는 영향을 미치지 않은 것으로 나타났다. 둘째, 이러닝 효능감과 교수실재감은 학습만족도와 학습지속의향에 모두 영향을 미치는 것으로 나타났다. 셋째, 학습만족도는 이러닝 효능감이 학습지속의향에 미치는 영향에는 매개 역할을 하지 않았으나, 교수실재감이 학습지속의향에 미치는 영향은 부분 매개하였다. 본 연구를 토대로 학습만족도와 학습지속의향에 영향을 미치는 지각된 유용성, 용이성, 이러닝 효능감, 교수실재감을 향상시킬 수 있는 전략을 활용하여 MOOC 강좌를 설계, 개발, 운영하는 기초자료로 활용되기를 기대한다. In order to obtain implications for such MOOC(Massive Open Online Course) completion rate improvement methods, in this study, perceived usefulness and ease (content factor), e-learning efficacy (learner factor), and teaching presence (teacher factor) were studied in a MOOC course without coercion. The purpose of this study was to verify the effect of satisfaction on the intention to continue learning by mediating learning satisfaction. An online survey was conducted for 8 days from November 25th to December 2nd, 2020 targeting students who took 10 K-MOOC courses operated by “A” University from March 2020 to December 2020. A total of 158 data were collected and the relationship between each variable was verified using the structural equation model. The study results are as follows. First, it was found that perceived usefulness and ease had an effect on learning satisfaction, but did not affect the intention to continue learning. Second, e-learning efficacy and teaching presence were found to affect both learning satisfaction and learning continuation intention. Third, learning satisfaction did not mediate the effect of e-learning efficacy on learning continuation intention, but partially mediated the effect of teaching presence on learning continuation intention. Based on this study, it is expected that this study will be used as basic data for designing and developing MOOC courses by utilizing strategies that can increase perceived usefulness and ease, e-learning efficacy, teaching presence that affect learning satisfaction and the intention to continue learning.

레스토랑 유형별 서비스 인카운터 품질의 중요도 및 수행도 분석

조미나(Mina Jo) 한국식품영양과학회 2006 한국식품영양과학회지 Vol.35 No.8

본 연구에서는 레스토랑 유형별로 서비스 인카운터가 발생되는 지점 중 서비스 인카운터 품질을 위해 중점적으로 관리해야 하는 지점을 규명하고자 하였다. 연구 결과 레스토랑 유형에 관계없이 상호작용품질, 결과품질, 물리적 환경품질 등 서비스 인카운터 품질을 구성하는 요소의 중요도와 수행도 간에 차이가 있는 것으로 나타났다. 즉, 각 요소의 중요도는 높게 나타난 반면, 수행도는 이에 미치지 못하는 것으로 나타났다. 한편, 레스토랑 유형에 따른 차이를 확인해 본 결과, 상호 작용 품질과 물리적 환경 품질의 중요도와 수행도, 결과품질의 수행도는 레스토랑 유형에 따라 통계적으로 유의한 차이가 있었지만, 결과품질의 중요도에 대해서는 레스토랑 유형에 따른 유의한 차이가 나타나지 않았다. 즉 음식의 질을 나타내는 결과품질의 중요도는 레스토랑의 유형에 관계없이 고객들에게 중요하게 여겨지는 것으로 나타났다. 이는 Yoon과 Hwang(41)의 연구 결과와 같은 내용으로, 음식 맛이 좋으면 고객이 서비스 실패를 경험하더라도 재이용 의지를 보이므로, 무엇보다 핵심 제품 및 서비스에 최선을 다해야 한다는 점을 나타내고 있다. 따라서 레스토랑 서비스 인카운터에서는 레스토랑의 유형에 관계없이 음식의 품질 관리가 가장 중점적으로 이루어져야 할 것으로 사료된다. 상호 작용 품질에 대해 살펴본 결과 중요도 및 수행도는 고급 레스토랑, 패밀리 레스토랑, 패스트푸드점 순으로 나타났으며, 레스토랑 유형 중 패밀리 레스토랑의 경우 대기고객 관리가 비교적 잘 이루어지고 있고 인터넷 홈페이지에서 원하는 정보를 쉽게 찾을 수 있다고 나타나 원격 서비스 인카운터에 대한 관리가 잘 이루어지고 있음을 보여주었으며, 불평 고객에 대한 대응도 가장 높은 수행도를 나타내었다. 결과 품질 수행도, 물리적 환경 품질 중요도 및 수행도 또한 고급 레스토랑, 패밀리 레스토랑, 패스트푸드점 순으로 나타났다. 서비스 인카운터 품질 중 중요도가 높으나 수행도가 낮은 항목(focus here in IPA matrix)은 고급 레스토랑의 경우 ‘제공하는 음식의 질이 항상 동일하다’, ‘의자나 테이블의 넓이는 충분하다’로 나타났으며, 패밀리 레스토랑의 경우 ‘의자나 테이블의 넓이는 충분하다’, ‘다른 테이블간의 간격이 충분하다’로 나타났고, 패스트푸드점은 ‘내부 시설이 매력적이다’, ‘의자나 테이블의 넓이는 충분하다’, ‘다른 테이블간의 간격이 충분하다’로 나타났다. 연구 결과, 레스토랑의 유형에 관계없이 공간과 관련된 항목이 모두 포함되어 있는 점이 특징적이었다. 각 레스토랑 유형별로 특히 중점적으로 관리해야 할 부분을 살펴보면, 고급 레스토랑에서는 음식의 품질이 동일하게 유지, 관리될 수 있도록 해야 하며, 패밀리 레스토랑에서는 충분한 공간 및 통로 확보가 필요하고, 패스트푸드점은 인테리어 등 내부 시설의 매력도를 높이기 위한 노력이 필요할 것으로 사료된다. 이상의 결과를 종합해 볼때, 레스토랑의 유형에 관계없이 음식의 품질 관리가 가장 중요하게 나타났으므로 이에 대한 철저한 관리가 필요할 것으로 보이며, 레스토랑 유형 중 특히 고급 레스토랑의 경우는 제공하는 음식 품질의 동일성 유지에, 패스트푸드점은 내부 시설 매력도 향상에 좀 더 관심을 기울이고 이에 대한 개선 전략이 필요할 것으로 사료된다. The purpose of this study was to identify critical control points of service encounter by types of restaurants in order to manage moment of truth when customers encounter services. Questionnaires were collected from 812 customers (aged 15 years or older) who had used restaurants in Seoul, from October 24, 2005 to November 6, 2005. The main results of this study were as follows: Statistically significant differences were shown between importance and performance of interaction quality, physical environment quality and outcome quality. Significant differences were also shown in importance and performance of interaction and physical environment quality, and performance of outcome quality by restaurant types but no significant difference was indicated in importance of outcome quality by restaurant types. That is, the importance of outcome quality, which means the quality of food, was regarded as important by customers who use restaurants regardless of types of restaurants. The result of examining interaction quality showed that family restaurants managed waiting customers quite well and provided information on the Internet homepage. Performance of responding to customers with complaints was rated the highest in family restaurants. Regarding physical environment quality, importance and performance scores significantly differed by types of restaurants in order of fine-dining restaurants, family restaurants, and fast-food restaurants. In terms of service encounter quality, items whose importance scores were high but performance scores were low in importance-performance analysis matrix were "quality of provided food is always uniform" and "the space between other tables is enough" for fine-dining restaurants. In family restaurants, "size of chairs or tables is enough", and "the space between other tables is enough" were included in the items, while "interior facilities are attractive", "size of chairs and tables is enough", and "the space between other tables is enough" were included in the items in case of fast-food restaurants. A difference was indicated depending on types of restaurants.

Multi-omics platform assessing toxicity of different types of polystyrene nano-particles

Mina Kim,Hyung Min Kim,Nguyen Phuoc Long,Jung Eun Min,Nguyen Hoang Anh,Sun Jo Kim,Sang Jun Yoon,Sung Won Kwon 한국분석과학회 2021 학술대회논문집 Vol.2021 No.11

The toxicity of nano-particles is emerging as a new concern. Despite the increased interest in the risk of nano-plastics, there is no established way to evaluate the effect of nano-plastics to soil organisms by multi-omics approach. In this experiment, a multi-omics platform observing molecular changes in the nano-polystyrene(PS) exposed Caenorhabditis elegans was established. All three different surface types of PS increased the oxidative stress of Caenorhabditis elegans and influenced reproduction and locomotion of them. However, we confirmed that the alteration in metabolome and lipididome of worms varies depending on the type of exposed PS surface. The significant alteration of metabolome was found in PS-N treated group, but few in PS-NH and PS-COOH treated groups. This metabolic disturbance in PS-N treated nematodes is correlated with the transcriptome dysregulation and the expression level of genes related with autophagy and longevity was changed. In conclusion, we developed the multi-omics platform that could prove that PS cause biological disturbance of nematodes. This platform could be applied to the evaluation of soil contamination derived from nano-particles.

Suppression of Azoxymethane-Induced Colorectal Tumors in iNOS<SUP>-/-</SUP> C57BL/6J Mice

Mina Choi,Hyun Ye Jo,Beom Seok Han,Dong Deuk Jang,Dae Joong Kim,Sang Yoon Nam,Yun-Bae Kim,Beom Jun Lee,Young Won Yun,Byeongwoo Ahn 한국실험동물학회 2006 Laboratory Animal Research Vol.22 No.2

Nitric oxide (NO) is known to be involved in the pathogenesis of colorectal cancer in both rodents and humans. iNOS is responsible for the over production of NO in a variety of parenchymal cells and macrophages. In the present study, we utilized iNOS gene knockout mice to investigate the role of iNOS on chemical-induced colorectal polyposis. Azoxymethane (AOM) at a dose of 10 ㎎/㎏ body weight was administered to male and female iNOS<SUP>-/-</SUP> or iNOS wt C57BL/6J mice once a week for six weeks. The mice were sacrificed at 24 weeks after initiation of experiment and then examined with the incidence and multiplicities of colorectal polyps. The incidence of colorectal tumors were significantly reduced in iNOS gene knockout mice (22.9%), compared to that of control mice (61.4%). The multiplicity in colorectal polyps in the iNOS knockout mice were 0.37±0.77 (n = 35), being significantly less than wild type mice (1.02 ± 1.15, n = 44). The sizes of the polyps in the iNOS gene knockout mice were also decreased. However, according to histopathological observations, most of the adenocarcinomas from iNOS knockout mice were less differentiated compared to those of wild type mice. From the results, iNOS-mediated NO might have a promotive potential in the early stage, but a suppressive effect in the late stage of colorectal carcinogenesis.

Urinary concentration of 3-phenoxybenzoic acid in elementary students in South Korea

Jo, Hye Mi,Ha, Mina,Lee, Won Jin The Korean Society of Environmental Toxicology 2015 환경독성보건학회지 Vol.30 No.-

Objectives Pyrethroid pesticides are among the most commonly using insecticides in South Korean households and have been the subject of considerable interest among public health professionals for their potential health effects. The objective of this study is to examine the level of urinary 3-phenoxybenzoic acid (3-PBA) among elementary students in South Korea. Methods We conducted a cross-sectional study to evaluate pyrethroid pesticide exposure levels by measuring the urinary metabolites of 3-PBA using a gas chromatographymass spectrometry method in March 2011. Study participants were 70 Asan-area and Incheon-area elementary students. Results All respondents had values above the detection limit, and the geometric means of 3-PBA in all children were $1.85{\mu}g/L$ and $1.46{\mu}g/g$ creatinine. Children with the top 10% urinary levels of 3-PBA were more likely to be girls, under nine years of age, living in a rural area, and living in a residential type apartment. Conclusions South Korean children have a higher concentration of urinary 3-PBA compared with those of other countries. Further research identifying exposure pathways and intervention efforts to reduce environmental pesticide use are needed in South Korea.

Development and Use of SSR Markers for Yellow Inner Leaf Color Characterization in Chinese Cabbage (Brassica rapa L.)

Eun-Jo Shim,Gyu-Dong Oh,Eun-Mi Hwang,Mina Jin,Beom-Seok Park,Soo-Seong Lee,Young-Doo Park 한국원예학회 2009 한국원예학회 학술발표요지 Vol.2009 No.10

Region-specific Characteristics of Korean Traditional Doenjang Produced in Chungcheongnam-do Using Physiochemical and Descriptive analysis

Yongwoo Jo,Mina K Kim 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10

Doenjang is Korean traditional soybean fermented food. The characteristics of traditional doenjang differed depending on the region, which is due to the difference in the dominant microbial species involved in natural fermentation process. The objective of this study was to determine the region-specific characteristics of traditional doenjang produced in Chungcheongnam-do region using physiochemical and descriptive sensory analysis. A total of 16 doenjang were selected and physiochemical properties were analyzed following standard method of analysis. Descriptive sensory analysis using a highly trained panel (n=6) was conducted using a 15-point Universal scale in Spectrum<SUP>TM</SUP> method. Differences in physiochemical properties were observed (p<0.05). 27 sensory lexicons describing the aroma characteristics of traditional doenjang were defined. Overall, the characteristics of traditional doenjang such as alcohol, meju, soy sauce, as well as chocolate aromatics appeared in all samples in differing degrees. Finding from this study can provide the region-specific aroma characteristics as well as physiochemical characteristics of traditional doenjang produced in Chungcheongman-do.

말 늦은 아동의 문장 이해 전략

조수정(Jo, Sujung),황민아(Hwang, Mina),최경순(Choi, Kyung-soon) 한국음성학회 2014 말소리와 음성과학 Vol.6 No.3

Late talkers are young children who are delayed in their expressive language skills despite normal nonverbal cognitive ability, adequate hearing and typical personality development. The purpose of this study is to investigate the sentence interpretation strategies used by Korean-speaking late talkers and age-matched normal children. Nine late talkers and nine normal children matched by age at 30-35months were participated in this study. 27 simple noun-noun-verb(NNV) sentences were generated by factorial combination of case-marker [nominal case-marker on the first noun and accusative on the second (C1), accusative on the first noun and nominative on the second (C2), and no case markers on both nouns (C0)], and animacy of the nouns [animate-inanimate(AI), inanimate-animate(IA), animate-animate(AA)]. All the children were asked to “act out” their interpretation of the given sentence. For each type of sentences the percentage of choices of the first noun as the agent was calculated. The results of group (2) ? animacy(3) ? case-marker(3) mixed ANOVA showed a significant main effect for "animacy", "case marker" and "group(2) ? case-marker (3)". The late talkers relied on semantic (animacy) cues in their interpretation of the sentences, while the normal peers utilized both animacy and grammatical morpheme (case-marker) cues. The results indicated that the late-talkers’ comprehension skills were also delayed.