• 제목/요약/키워드: Risk Preferences

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Diet-Related Health Disparities in African Americans

  • Satia Jessie A.
    • Journal of Community Nutrition
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    • v.8 no.1
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    • pp.24-30
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    • 2006
  • Disparities in health and disease between various population subgroups, such as racial and ethnic groups, are a major focus of public health research but also pose considerable challenges. Diet is a key contributor to disparities in many chronic diseases and conditions. Therefore, in order to understand and address racial and ethnic health disparities, it is important to characterize the dietary patterns of the populations of interest. African Americans are at higher risk for many diet-related chronic disease conditions, such as obesity, type II diabetes, cardiovascular disease, and many cancers relative to other racial/ethnic groups in the United States. In this report, I describe the diet-related chronic disease profiles of African Americans, characterize their dietary patterns and food preferences, identify demographic, psychosocial, environmental, and cultural factors that may affect their dietary choices, and propose strategies for improving the dietary and health profiles of African Americans.

CMTO: An Inquiry into the Activation for Real Estate Security Token of the Digital Asset Hour (CMTO: 디지털 자산 시대의 부동산 토큰 증권 활성화 방안 연구)

  • Jeongmin Lee;Minhyuk Lee
    • Journal of Information Technology Services
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    • v.22 no.4
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    • pp.81-95
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    • 2023
  • The emergence of Security Token has revolutionized the way assets are traded, bringing efficiency, transparency, and accessibility to the market. However, the Real Estate Security Token market faces challenges, particularly in terms of liquidity. The CMTO(Collateralized Mortgage Token Obligation) model addresses this issue by introducing a novel approach that combines the benefits of NFT(Non-Fungible Token), STO(Security Token Offering), and CMO(Collateralized Mortgage Obligation) techniques to enhance liquidity and promote investment in Real Estate Security Token. The CMTO framework functions by allowing DABS token investors to leverage their tokens as collateral for loans. These token-collateralized loans are pooled together and form the basis for issuing Sequential CMO named CMTO. The CMTO represent a diversified portfolio of token-collateralized loans, providing investors with options based on their financial goals and risk preferences. By implementing CMTO, the Real Estate Security Token market can overcome liquidity challenges, attract a broader range of investors, and unlock the full potential of digital assets in the real estate industry.

Sex/gender differences in gastrointestinal endoscopy from the perspective of patients and gastroenterologists

  • Nayoung Kim
    • Clinical Endoscopy
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    • v.56 no.3
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    • pp.268-282
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    • 2023
  • The sex/gender of gastroenterologists impact patients' satisfaction, compliance, and clinical outcomes. For instance, female gastrointestinal (GI) endoscopist-patient gender concordance improves health-related outcomes. This finding suggests that it is important to increase the number of female GI endoscopists. While the number of women in the field of gastroenterology is increasing in the United States and Korea by over 28.3%, it is not enough to account for the gender preferences of female patients. GI endoscopists are at a high risk of endoscopy-related injuries. However, there is a different distribution of muscle and fat; male endoscopists are more affected in their back, while females are more affected in the upper extremities. Women are more susceptible to endoscopy-related injuries than men. There is a correlation between the number of colonoscopies performed and musculoskeletal pain. Job satisfaction is lower in young female gastroenterologists (30' and 40') than in the opposite gender and other ages. Thus, it is important to address these issues in the development of GI endoscopy.

A Test on the Volatility Feedback Hypothesis in the Emerging Stock Market (신흥주식시장에서의 변동성반응가설 검정)

  • Kim, Byoung-Joon
    • The Korean Journal of Financial Management
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    • v.26 no.4
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    • pp.191-234
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    • 2009
  • This study examined on the volatility feedback hypothesis through the use of threshold GARCH-in-Mean (GJR-GARCH-M) model developed by Glosten, Jaganathan, and Runkle (1993) in the stock markets of 14 emerging countries during the period of January, 1996 to May, 2009. On this study, I found successful evidences which can support the volatility feedback hypothesis through the following three estimation procedures. First, I found relatively strong positive relationship between the expected market risk premiums and their conditional standard deviations from the GARCH-M model in the basis of daily return on each representative stock market index, which is appropriate to investors' risk-averse preferences. Second, I can also identify the significant asymmetric time-varying volatility originated from the investors' differentiated reactions toward the unexpected market shocks by applying the GJR-GARCH-M model and further find the lasting positive risk aversion coefficient estimators. Third, I derived the negative signs of the regression coefficient of unpredicted volatility on the stock market return by re-applying the GJR-GARCH-M model after I controlled the positive effect of predicted volatility through including the conditional standard deviations from the previous GARCH-M model estimation as an independent explanatory variable in the re-applied new GJR-GARCH-M model. With these consecutive results, the volatility feedback effect was successfully tested to be effective also in the various emerging stock markets, although the leverage hypothesis turned out to be insufficient to be applied to another source of explaining the negative relationship between the unexpected volatility and the ex-post stock market return in the emerging countries in general.

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A Study on the Size Information Presentation Method of Women's Upper Garment in Internet Shopping Malls for the Improvement of Consumer Satisfaction (소비자 만족도 향상을 위한 인터넷 의류 쇼핑몰의 여성 상의류 사이즈 정보 제시 방안에 관한 연구)

  • Lee, Mi Yeon;Hwang, Sun Jin
    • Journal of the Korean Society of Costume
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    • v.63 no.3
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    • pp.95-109
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    • 2013
  • This thesis was conducted with the purpose of proposing a systematic and comprehensive system for women's upper garment sizes so that the satisfaction level of women purchasing the upper garment products in Internet shopping malls is enhanced. To achieve this, this study first conducted a survey of women from the ages of 18 to 39 and attempted to discover consumer satisfaction levels and preferences of the clothing product sizing system of Internet shopping malls. While keeping track of the global distribution environment, an optimal clothing sizing system for Korean women that fit recent changes in their body shapes was proposed. The results of this study are as follows. First, A result of studying the satisfaction levels and preferences of consumer's purchase experience and the sizing system showed that 48.6% of the total respondents were dissatisfied with the current sizing system. Second, based on the research of the size classification system of domestic and foreign upper garment for women, unlike domestic Internet shopping malls, overseas generally offer several size classifications. Third, results of studies 1 and 2 was used to propose an optimal clothing products sizing system method. Also, the body and product sizes and the measurement methods should be offered together. In summary of all these results, by establishing globally compatible sizing system, consumers are able to recognize their sizes on their own and by doing this, it will lower perceived risk of the consumers at the time of a Internet shopping mall purchase, and this will raise their level of satisfaction while making purchases.

Studies on Food Safety Knowledge of College Students according to Mass-Media Impact (대중매체 영향에 따른 일부 대학생의 식품안전 지식 조사)

  • Choi, Byung-Bum
    • The Korean Journal of Food And Nutrition
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    • v.24 no.2
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    • pp.166-172
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    • 2011
  • This study was conducted to assess food safety knowledge of college students according to mass-media reports. To accomplish this, a survey was conducted to investigate the reliability, of primary mass-media sources on Bovine Spongiform Encephalopathy(BSE) as well as the preferences of college students. The most common sources of media consumed by male and female students were terrestrial television(TV)(60%), the internet(21%), and newspapers(11%) and terrestrial TV(60%), newspapers (18%), and the internet(17%), respectively. The preferences for media of major and non-major students were terrestrial TV(64%), newspapers(17%), and the internet(14%) and terrestrial TV(51%), the internet(22%), and newspapers(19%), respectively. The reliability of media as viewed by male students were as follows: terrestrial TV(53%) and the internet(40%), whereas for female students, these values were terrestrial TV(55%) and the internet(37%). The reliability of media as viewed by major and non-major students was as follows: terrestrial TV(67%) and the internet(28%), and terrestrial TV(44%) and the internet(44%), respectively. In the case of male students, the primary sources for information regarding BSE were terrestrial TV(54%) and the internet(38%), whereas for female students, the primary sources were terrestrial TV(57%) and internet (37%). In the case of major students, the primary sources for information regarding BSE were terrestrial TV(52%) and the Internet(40%), and for non-major students, the internet(47%) and terrestrial TV(39%). Both male and female students were found to have less knowledge regarding prions, SRM(Specified Risk Materials), MM(methionine-methionine) type genes, and cow above 30 months associated with BSE compared to the other factors associated with this disease. The BSE-related knowledge held by major and non-major students was revealed unknown more than the majority of responses. Based on these results, greater effort should be made to provide meaningful information to improve the food-safety knowledge of college students according to mass-media.

Influence Analysis of Investor Preference for Investment Satisfaction Degree on Decision Making of Real Estate Investment (부동산 투자의사결정에 있어 투자자 선호특성이 투자만족도에 미치는 영향 분석)

  • Paek, Jun-Seok;Kim, Gu-Hoi;Lee, Joo-Hyung
    • The Journal of the Korea Contents Association
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    • v.16 no.3
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    • pp.553-562
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    • 2016
  • Then, it investigated the investment preference through the previous studies to analyze the influence factor of investment satisfaction and demonstrated the effects through the PLS (Partial Least Squares) regression. In addition, it separated the target type to institutional investors and retail investors and carried out the survey for comparing the investment preference of investor type. The result of analysis found out that institutional investors emphasis on investment preference such as the Inflation hedge, Early payback, Financial stability, Leverage risk and etc. Then, general investors emphasis on investment preference such as the Rental income, Facilities and Equipment, Business area and population, Ease of use, Leverage risk, Early payback and etc. In addition, common investment preferences are the Leverage risk, Early payback and Facility accessibility.

Diabetes Risk Analysis Model with Personalized Food Intake Preference (개인 식품섭취 선호도에 따른 당뇨병 발생 위험도 분석 모델)

  • Jeon, So-Hye;Kim, Nam-Hyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.11
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    • pp.5771-5777
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    • 2013
  • The need of continuous management for diseases came to the fore as a chronic disease has increased, however, research related to personalized food intake analysis are insufficient. In diabetes risk analysis model of this study, food preferences are calculated by Pearson correlation coefficient that is proven method to assess the similarity, and diabetes risk is computed as a Logistic regression that was used in prevalence studies. For the Significance evaluation of this model, it was verified through t-test at 0.05 level of 52 comparison subjects and 52 control subjects. Both groups were significantly independent (p=0.046 <0.05). This model is a new way to personalized health management, through the application to healthcare system based on web and mobile.

Consumers' Subjective Risk Perceptions of Tab Water and Stated Preferences for Safe Drinking Water (소비자들의 수돗물에 대한 주관적 위험인지와 안전한 음용수에 대한 진술선호 분석)

  • Eom, Young Sook
    • Environmental and Resource Economics Review
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    • v.15 no.2
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    • pp.147-175
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    • 2006
  • This paper attempts to incorporate three important factors-perceptions, behavior and valuation-in analysing consumers' responses to health risks from environmental pollutants. Using a survey sample of 500 consumers in the Chonbuk province area, this paper empirically investigated determinants of risk perceptions from using tap water as drinking water. Most consumers were considerably concerned about health risks from drinking tap water. Moreover, those subjective concerns were not random, but were systematically related to individuals' demographic variables such as age, gender, and family size. Those subjective beliefs also influenced respondents' purchase intentions on safer water bottles, in response to a contingent behavior question of presenting two types of water bottles. The technical risk information provided in the survey had significant effects on purchase intentions only when it was interacted with respondents' actual averting practice. In addition, the sample selection effects were present by eliminating respondents who decided not to purchase either of two types of water bottles. The potential selection bias had impacts on the coefficients of the price difference variable, and subsequently the estimates of the price increments for health risk reductions.

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A retrospective observational study of the BMD for 5-years in older men (성인 남성에서 5년간의 골밀도 변화 관찰)

  • Kim, Sun-Geun;Kweon, Dae-Cheol
    • Journal of the Korean Society of Radiology
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    • v.5 no.4
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    • pp.171-178
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    • 2011
  • To investigate the decrease of BMD by age and the risk factor of osteoporosis in Korean men. We describe the study of a five-years retrospective observational study with male patients. Eighty Korean men who visited hospital for health screening were assessed for this study from 2002 to 2006. We evaluated the BMD of the femoral neck and L-spine, and the preferences and habits in the life. The data were collected for 5 years, and we analysed the five-years change of BMD and the relations between BMD and other factors. Subjects were divided into 3 group by 1st assessment of femoral neck BMD, and were compared with each other. The age of subjects was $43.15{\pm}4.82$ and BMD of femoral neck was $-0.61{\pm}0.97$ and BMD of L-spine was $-0.67{\pm}1.10$ in the first year assessment. The femoral neck BMD of 4th and 5th assessment was decreased significantly compared to that of 1st assessment. The L-spine BMD of 2nd assessment was decreased significantly compared to the 1st assessment. There was no significant correlation between the changes of BMD and preferences or habits-drinking, smoking, eating habit, exercise. The femoral neck BMD of 5th assessment was decreased significantly compared to that of 1st assessment in the high femoral neck BMD group. And there was no significant change of femoral BMD and L-spine BMD in other groups. Low BMD group in the 1st assessment showed lowest BMD in the 5th assessment and high BMD group in the 1st assessment showed highest BMD in the 5th assessment. We can guess that the young men who has low BMD could have high risk of osteoporosis when he became older. And the femoral BMD should be considered important in anticipating the changes of BMD in middle aged men.