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허태호,윤종률,조정진,김미영,주영수 대한가정의학회 2020 Korean Journal of Family Medicine Vol.41 No.4
Background: Korea’s rapidly aging population has experienced a sharp rise in the prevalence of dementia. Patients with Alzheimer’s disease (AD), which is estimated to be about three-quarters of all patients with dementia, tend to have higher mortality rates compared with patients without Alzheimer’s disease. In this study, a survival analysis of patients with AD was conducted in order to provide knowledge to those who provide medical care to these patients. Methods: Data on individuals over 65 years old in 2004 were extracted from the Korean National Health Insurance Services’ Senior Cohort database (2002–2013). The subjects were 209,254 patients, including 2,695 who were first diagnosed with AD (the AD group) and 206,559 that had not been diagnosed with the disease (non-AD group). To investigate the independent effect of AD on survival, the Cox proportional-hazards model, hazard ratios (confidence interval of 95%), and the Kaplan-Meier method were used. Results: Mean survival time in the AD group was 5.3±3.3 years, which was about 2.5 years shorter than that in the non-AD group (7.8±2.4 years). The mortality rate in the AD group (66.3%) was higher than that in the non-AD group (26.3%). The adjusted hazard ratio in the AD group was 2.5 and, therefore, it was found that the AD group had a 2.5-fold higher risk of death than the non-AD group. Conclusion: Overall, AD has a large, independent impact on survival. Survival time was shorter, and the mortality rate and risk were generally higher in the AD group, compared with the non-AD group.
개인의 특성이 식품물가지수와 소비자체감물가 간의 차이에 미치는 영향
허태호,황혜정,이상현 한국농촌경제연구원 2020 농촌경제 Vol.43 No.1
In this study, we calculated the Price Index and Cognition Difference Index(PICDI) by analyzing the difference between the real food price index and consumer sentiment price. Our analysis of the PICDI calculated in this study shows that most consumers perceive the consumer sentiment price index higher than the real food price index. We also analyzed the factors influencing this difference. The result shows that both the real food price index and consumer sentiment price are influenced by gender, occupation, purchasing frequency, purchasing location, income, and expenditure.
허태호(Taeho Hur),이승룡(Sungyoung Lee) Korean Institute of Information Scientists and Eng 2018 정보과학회논문지 Vol.45 No.9
Traditional inertial sensor based activity recognition methods in which multiple sensor units are attached to the body is changing to accommodate the use of smart devices such as smartphones and smartwatches. In this paper, we propose a multi-level fusion activity recognition framework to recognize daily activities using smartphones and smartwatches which can be purchased easily for minimum sensor based activity recognition. The proposed framework uses various types of fusion techniques such as data fusion, feature fusion, and decision fusion. While the proposed framework does not use common methods of decision fusion such as majority voting or weighted voting, it does use posterior probability based fusion for better accuracy and confidence. Experiments are conducted to compare results between using and not using the probability and between using and not using each fusion technique. The results demonstrated the excellent performance of the proposed framework.
수원국의 개발수요 분석을 통한 농업 ODA의 효과성 제고 연구
허태호 ( T. H. Heo ),김경량 ( K. R. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2014 강원 농업생명환경연구 Vol.26 No.2
To enhance the effectiveness of ODA, this work tried to investigate the actual conditions and problems in the agricultural and farming village part of Korean international cooperation areas. The major focus of the research was centered on the fact that most cooperation projects have been implement uniformly without any consideration of the characteristics of each recipient country. Against this background a development demand survey was conducted with the experts dispatched to each recipient country, in order to look into the development demands of each recipient country, compare them with a donor``s support details, and thereby explore the differences. The results of the analysis revealed that the development demands of recipient countries had similar weight values in terms of agricultural production technology, food supply, and agricultural development. However, according to the Korea``s support details about agricultural ODA, agricultural production technology part and agricultural development part had been given similar importance, whereas food supply part had a relatively lower support. Accordingly, it was found that Korea``s ODA projects failed to reflect recipient countries’ stage-based development situations, while at the same time the ODA projects have been subjected to uniform implementation predominantly in areas in which Korea has accumulated experience..Moreover, it was found that the regional development priority items drawn from the development demand survey of this work was inconsistent with that of KOICA``s support details. To solve the problem of such in consistencies, it is required to conduct a development demand survey prior to the execution of a project. In other words, it is necessary to conduct a preliminary development survey demand by performing Korean agricultural/farming village training, and then conduct second development demand survey for importance by returning training participants to recipient country and thereby comparing what they feel in the countries with what they learned in the training. In so doing, it is possible to draw effective projects through the discussion of experts of both donors and recipient countries. It is also necessary to choose projects through involving the community through a participatory approach in the areas which have low probability of project failure at the beginning and enhance the effectiveness of projects.
프롬프트 기법의 실시간 행위인지 보정을 통한 개인화된 서비스 추천
허태호 ( Tae-ho Hur ),이호성 ( Ho-sung Lee ),이승룡 ( Sungyoung Lee ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
현재 사회는 건강에 대한 관심이 크게 증가하고 있으며, 전문적인 건강관리 서비스를 받기 위해서 사용자의 상태 및 상황을 정확히 알 수 있도록 사용자 행위인지 관련 연구가 활발히 진행되고 있다. 기존의 행위인지 연구에서 사용하는 각종 웨어러블 센서는 일상생활의 불편 및 비용 문제를 야기하여, 본 연구에서는 센서 디바이스로 스마트폰을 사용한다. 기존의 행위인지 연구는 특정 실험군 이외의 제3자에 의한 실험에서는 정확도에 큰 차이를 보이며, 인지 오류에 대한 실시간 수정이 불가능하였다. 본 논문에서는 프롬프트 방식을 통해 실시간으로 사용자의 인지 오류를 피드백하고, 클라우드 시스템에서 실시간으로 재트레이닝을 통한 수정된 행위 모델을 생성하여 지속적으로 행위의 오류를 줄이며, 각각의 사용자에 맞는 건강관련 서비스를 추천하는 방안을 제안하고자 한다.
허태호(Tae-Ho Heo),최원실(Won-Sil Choi),이상현(Sang-Hyeon Lee) 한국농업경제학회 2021 農業經濟硏究 Vol.62 No.2
The purpose of this study is to analyze whether the social capital of rural in-migrating farmers affects their economic performance. In general, social capital is classified into bonding capital, bridging capital, and linking capital. This study determines how the social capital of rural inmigrating farmers affects their economic performance. The results of this study showed that social capital had a significant effect on the economic performance of rural in-migrating farmers. In particular, social capital variables related to individual problem solving have positive effects on farm sales. The social capital formation of returnee farms was influenced by personal characteristics (age, gender) and empirical characteristics(education completion fields, occupation group).