• Title/Summary/Keyword: Elderly Koreans

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2020 Dietary Reference Intakes for Koreans: vitamin C (2020 한국인 영양소 섭취기준: 비타민 C)

  • Park, Sunmin
    • Journal of Nutrition and Health
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    • v.55 no.5
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    • pp.523-532
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    • 2022
  • Vitamin C is an important physiological antioxidant which neutralizes reactive oxygen species (ROS) and reduces the oxidative stress in the body. Although it has been associated with various diseases, few studies have reported the dose-response relationship between vitamin C intake, storage and functions in the body, including its antioxidant function. The criteria to establish the Dietary Reference Intakes for Koreans (KDRIs) for vitamin C were based on the changes in plasma concentrations and saturation of leukocytes according to intake levels and the effects on antioxidant capacity and risk of metabolic diseases. When establishing the 2020 vitamin C KDRI, while there was no change in the criteria from those of 2015, the reference values were recalculated and revised to reflect changes such as the new standard weight by age. As the number of people consuming dietary supplements has increased over the last decade, only about 10% of adults consume less than the average total vitamin C, but the proportion of adolescents and elderly who consume less than the average is high. On the other hand, as the intake of vitamin C supplements increases, the proportion of people consuming excessive vitamin C is also increasing. There is a body of opinion that it is necessary to establish a vitamin C KDRI for smokers or people with chronic diseases such as the metabolic syndrome, but these standards have not been established due to the lack of supporting scientific evidence. As a result, studies to establish vitamin C KDRI for Korean smokers and patients with the metabolic syndrome, as well as studies on the excessive intake of vitamin C due to supplementation and interactions with other nutrients, are needed.

Nutritional status of Korean elderly by oral health level - based on 2009 national health and nutrition survey data (한국 노인의 구강건강수준에 따른 영양섭취 상태 - 2009년 국민건강영양조사 자료에 근거하여 -)

  • Kim, Cheoul-Sin;Shin, Bo-Mi;Bae, Soo-Myoung
    • Journal of Korean society of Dental Hygiene
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    • v.11 no.6
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    • pp.833-841
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    • 2011
  • Objectives : The purpose of this study was investigation of quality and quantity of nutritional intake related oral health status among Korean elders. Methods : The nutrient intake and the dietary quality was evaluated on the basis of the Dietary Reference Intakes For Koreans(KDRIs). Chi-square test for Complex Samples was used to determine the relationship between oral health and inadequate nutrient intake in Korean elders. The complex samples general linear model was used to test difference of average value difference of nutrient intake percentage compared to dietary reference intake(DRI), energy intake rate from three major nutrients, average mean adequacy ratio(MAR) and index of nutritional quality(INQ) related oral health status. Age, sex and total energy intake was compensated for this analysis. PASW 18 was used for statistical analysis. Results : We could found the difference of the nutrient intake and the dietary quality related oral health status among Korean elders. Especially, Nutrient intake percentage and component ratio of protein among energy intake rate from three major nutrient was lower as oral health status became worse. The percentage of subjects with nutritional intakes under showed highest level in worst oral health status. As oral health status became worse, average mean adequacy ratio(MAR) was lower and the number of nutrient of which index of nutritional quality(INQ) was under 1 was more. Conclusions : From the result above, this study clearly shows the level of oral health affecting the inequalities of eating and the food for the people. And the various propose of oral health policies is needed for vulnerable groups who needs solution to solve the problem of inequality of food distribution where intensive distribution of nutrition problem occurred. Sufficient, safe, and a variety of healthy food intake is a fundamental right of our people. And also, to apply this policy in reality, institutional arrangements and organizations, and specific performing system will be needed.

The Verification of Korean Version Swallowing Disturbance Questionnaire (K-SDQ) (한국판 삼킴 곤란 척도(K-SDQ)의 번안본 검증)

  • Jung, SoWoon;Kim, JungWan
    • 재활복지
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    • v.22 no.4
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    • pp.43-58
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    • 2018
  • Swallowing disorders that can affect nutrient intakes and quality of life are commonly shown among the elderly as well as patients with neurogenic disorder. This study verifies the reliability and validity of the Swallowing Disturbance Questionnaire (SDQ), a subjective swallowing disability assessment tool, modified for Koreans' eating habit and cultural sentiment, against 105 stroke patients, in order to help identify early swallowing problems of the elderly. Reliability of internal consistency in the Korean version of SDQ is .601, test-retest reliability is .97, and concurrent validity is .956. Based on 8 points of cut-off score, 46.8% of sensitivity and 81.6% of specificity. Comparing the results of video fluoroscopic study (VFSS), an objective swallowing disorder test with those of Korean version of SDQ, negative predictive value (NPV) and positive predictive value (PPV) was shown as 81% and 53%. The Korean version of SDQ is expected to be a useful testing tool to discriminate swallowing disorders in stroke patients. It has great clinical significance in that swallowing difficulties shown by subjects can be sorted out to request a diagnostic assessment before clinical evaluation by a rehabilitation therapist or ruling out unnecessary exposure to additional tests by accurately identifying stroke patients without swallowing problems.

Seroprevalence of Dengue Virus Antibody in Korea (한국인에서 뎅기바이러스 항체의 혈청 유병률 연구)

  • Lee, Ji Hyen;Kim, Han Wool;Kim, Kyung-Hyo
    • Pediatric Infection and Vaccine
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    • v.25 no.3
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    • pp.132-140
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    • 2018
  • Purpose: The number of dengue fever cases is rising due to increasing overseas travel. Vaccination makes severe dengue fever in seronegative individuals after vaccination when they exposure to wild-type dengue virus. We investigated the seroepidemiology of the dengue virus for monitoring of Korean dengue virus immunity and establishing the prevention of dengue infection. Methods: The study was based on 446 residual sera collected from 98 infants (2 months to 1 year old), 152 adolescents (13 to 19 years old), 90 adults (20 to 50 years old), and 106 elderly participants (more than 65 years old) for other studies. Antibody levels for dengue virus immunoglobulin G (IgG) in each age group were measured using an enzyme-linked immunosorbent assay (ELISA). For each dengue virus IgG positive or equivocal result, an IgG ELISA was performed for Japanese encephalitis virus. Results: Of the 446 serum samples, only 1 (0.2%) adolescent had a positive result from the dengue IgG antibody test. In the dengue virus IgG antibody test, 14 (3.1%) samples showed equivocal results (10 adolescents and 4 elderly). In the 1 positive case of dengue virus IgG, the Japanese encephalitis IgG test was also positive. In the 14 equivocal cases of dengue virus IgG, there were 6 positive, 3 equivocal, and 5 negative of Japanese encephalitis IgG. Conclusions: The seroprevalence rate of dengue virus was very low in Koreans. This study provides important data for establishing the policy for preventive measures of dengue fever. It will be necessary to continuously monitor for dengue virus immunity.

Exposure and Risk Assessment of Benzene and PM10 for Sub-populations using Monte-Carlo Simulations (Monte-Carlo 모의실험을 통한 부분 인구집단별 벤젠 및 PM10의 노출 및 위해성 평가)

  • Park, Jinhyeon;Yang, So Young;Park, Yunkyung;Ryu, Hyeonsu;Kim, Eunchae;Choe, Youngtae;Heo, Jung;Cho, Mansu;Yang, Wonho
    • Journal of Environmental Health Sciences
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    • v.45 no.3
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    • pp.247-257
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    • 2019
  • Objectives: The Korea Ministry of Environment regulates concentrations of hazardous air pollutants (HAPs) through Atmosphere Environmental Standards to protect public health from HAPs. However, simply determining the exceedance of HAP concentrations has several limitations and more comprehensive assessment is required. In addition, integrated risk assessment is needed considering exposure in all microenvironments, including outdoor as well as indoor environments. The purpose of this study was to assess the differences in risk by sub-population groups according to time-activity patterns and reported concentrations, as well as the lifetime risk for Koreans. Methods: In this study, we calculated time-weighted average exposure concentrations for benzene and $PM_{10}$ among preschool-age children, students, housewifes, workers, and the elderly using residential time and concentrations for indoor (house, school or workplace, other), outdoor, and transport by the meta-analysis method. The risk assessments were conducted by excess cancer risk and disease death risk using 1,000,000 Monte-Carlo simulations for probabilistic analysis. Results: Preschool-age children, students, housewifes, workers, and the elderly spent 91.9, 86.0, 79.8, 82.2, and 77.3% of their day in their house, workplace, or school, respectively. The more than 99% excess cancer risk for benzene exceed 1.0E-06 in all sub-populations and lifetime. The acute disease death risk for $PM_{10}$ for housewifes and workers for lifetime were 3.35E-04 and 3.18E-04, and chronic disease death risks were 2.84E-03 and 2.70E-03, respectively. Conclusions: The risk of benzene and $PM_{10}$ by sub-population group and for the lifetime of housewifes and workers were assessed. Benzene showed risky results for this study. All disease death risks of $PM_{10}$ were higher than 1.0E-04 and showed different risks by sub-population. This study can be used as a basis for lifetime exposure and risk assessment to benzene and $PM_{10}$.

The Moderating Effect of Home-Based Welfare Facilities for Older Adults between ADL/IADL and Depressive Symptoms among Korean in Later Life (노인의 일상생활수행능력이 우울감에 미치는 영향에 대한 지역사회 재가노인복지시설의 조절효과)

  • Joo, Susanna;Jun, Heyjung;Choi, Bomi
    • 한국노년학
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    • v.38 no.1
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    • pp.243-259
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    • 2018
  • The purpose of this study is to investigate the moderating effect of home-based welfare facilities for older adults on the associations between the activities of daily living (ADL) / instrumental activities of daily living (IADL) and the depressive symptoms among Koreans in later life. Multilevel analysis was conducted with Korean Longitudinal Study of Aging 5th data and the public report about welfare facilities from Ministry of Health and Welfare in Korea. Samples were 4,139 older adults over 65 years old. The dependent variable was depressive symptoms, and individual level independent variables were ADL and IADL. The ratio of home-based welfare facilities out of 10,000 older adults in each city and province was the moderator. As a result, the effects of ADL on depressive symptoms vary according to the proportion of elderly welfare facilities out of the old population in the community. In specific, the older adults who live in the place where the elderly welfare facility rate was higher were less affected by ADL. Also, the more IADL people had, the more depressive symptoms they had. However, the interaction effect between IADL and the proportion of home-based welfare facilities was not significant. It suggests that delivering welfare services helping ADL through the home-based welfare facilities may be useful for decreasing depressive symptoms. Moreover, considering the proportion of facilities and older population will be helpful to make the welfare facilities efficiently work.

Analysis of the Development of the Nasal Septum and Measurement of the Harvestable Septal Cartilage in Koreans Using Three-Dimensional Facial Bone Computed Tomography Scanning

  • Kim, Jae Hee;Jung, Dong Ju;Kim, Hyo Seong;Kim, Chang Hyun;Kim, Tae Yeon
    • Archives of Plastic Surgery
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    • v.41 no.2
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    • pp.163-170
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    • 2014
  • Background The septal cartilage is the most useful donor site for autologous cartilage graft material in rhinoplasty. For successful nasal surgery, it is necessary to understand the developmental process of the nasal septum and to predict the amount of harvestable septal cartilage before surgery. Methods One hundred twenty-three Korean patients who underwent three-dimensional (3D) facial bone computed tomography (CT) were selected for evaluation of the midsagittal view of the nasal septum. Multiple parameters such as the area of each component of the nasal septum and the amount of harvestable septal cartilage were measured using Digimizer software. Results The area of the total nasal septum showed rapid growth until the teenage years, but thereafter no significant change throughout the lifetime. However, the development of the septal cartilage showed a gradual decline due to ossification changes with aging after puberty in spite of a lack of change in the total septal area. The area of harvestable septal cartilage in young adults was $549.84{\pm}151.26mm^2$ and decreased thereafter with age. Conclusions A 3D facial bone CT scan can provide valuable information on the septal cartilage graft before rhinoplasty. Considering the developmental process of the septal cartilage identified in this study, septal surgery should not be performed until puberty due to the risk of nasal growth impairment. Furthermore, in elderly patients who show a decreased cartilage area due to ossification changes, septal cartilage harvesting should be performed carefully due to the risk of saddle nose deformity.

The bathroom design guideline considering the usage pattern of Koreans (한국인의 욕실사용 문화를 고려한 디자인 가이드라인)

  • Lee, Ho-Soong;Kim, Mi-Young
    • Science of Emotion and Sensibility
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    • v.13 no.2
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    • pp.347-358
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    • 2010
  • As life gets richer along with social development, the interest in composure of life and in quality of life gets higher. According to this, a concept on bathroom, which had been simply physiological sanitary space before, is being gradually changed, thereby being reborn as space of charging vitality of life and of realizing own desire. As these consumers' new desire is emerged, it is being highlighted the behavior of being made in space now called 'bathroom', the requirements for this space, and the interest in what aims to be pursued. However, current Korean people have different bathroom behavior such as using outside bathtub or filling a washbasin with water unlike the center on stand-up shower in the West, thereby having inconvenience. Accordingly, when bathroom is designed that reflects Korean people's bathroom behavior, the satisfaction with using bathroom will be able to be enhanced. This study aims to increase the use satisfaction with bathroom space, to survey Korean people's situations of using bathroom, the inconvenience in using, and the general emotion, and to elicit requirements for bathroom users and basic design guidelines available for reflecting the health in planning bathroom space, the space of solving sanitary problem, and the modern people's physical features and lifestyle.

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Effects of Physical Activity on Glycemic Control in Type 2 Diabetics (제2형 당뇨병 환자의 신체활동이 혈당조절에 미치는 영향)

  • Choi, Eun-Jin
    • Korean Journal of Adult Nursing
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    • v.23 no.3
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    • pp.298-307
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    • 2011
  • Purpose: The purpose of this study was to examine the effects of physical activity on glycemic control among Koreans with type 2 diabetes. Methods: A total of 215 patients with type 2 diabetes (82 male and 133 female) were recruited (mean age = $59.0{\pm}9.7$ years). The amounts of physical activity was assessed using the physical activity scale for elderly (PASE). Fasting blood glucose (FBG), Hemoglobin A1c ($HbA_1c$), and 2 hours post-prandial glucose (2hrPG) were measured. Results: The highest PASE score was housework-related physical activity. However, the amounts of walking was significantly higher in good FBG level (Z = 1.39, p=.041) and the amounts of leisure-time physical activity was higher in good HbA1 and 2hrPG level than in the poor glycemic control group (Z = 2.29, p<.001; Z = 1.99, p=.001). A logistic regression analysis showed that patients with leisure-time physical activity in the top quartile more likely presented with good glycemic control in $HbA_1c$, OR=3.84 (95% Confidence Interval (CI) = 1.65~8.95) and in 2hrPG, OR=4.06 (95%CI = 1.77~9.27), compared to patients in the lowest quartile. Conclusion: Leisure-time physical activity is effective for controlling the glucose levels, especially $HbA_1c$ and 2hrPG among type 2 diabetic patients. It is suggested that health providers need to more focus on providing aggressive recommendations on physical activity considering physical activity patterns by individuals.

A Study on Functional Senior Blended Soymilk with Enhanced Nutrition Using Soybeans and Oats (대두와 귀리를 첨가하여 영양을 강화시킨 기능성 시니어 혼합 두유 개발에 관한 연구)

  • Kim, Jeong-Yeon;Choi, Kwang-Jin;Kang, Chin-Yang;Choi, Won-Cheon;Choi, Il-Sook;Shin, Kyung-Ok
    • The Korean Journal of Food And Nutrition
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    • v.33 no.2
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    • pp.194-203
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    • 2020
  • The purpose of this study was to develop a functional senior mixed soymilk for seniors and to provide functional senior-mixed soymilk to prevent disease outbreaks. The isoflavone content of senior soymilk was 0.15±0.01 mg/g. The β-glucan content of senior soymilk was 9.82±0.01 mg/g. The weight gain of mice were significantly higher in the high-fat diet group than in the other groups. The serum triglyceride content was high at 102.67±40.61 mg/dL in the high-fat diet group, but significantly lower at 83.00±42.43 mg/dL in the 20% senior soymilk group. Thus, the results of this study comprehensively suggest that food intake should be ingested for each life cycle with reference to the dietary reference intakes for Koreans. In particular, the elderly in their 50s and older are deficient in protein and weakened immune capacity, so it is imperative that they maintain their health through various foods such as soymilk, which is evenly nutritious.