• Title/Summary/Keyword: Survey Weights

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Anthropometric Measurements and Dietary patterns of North Korean Migrant Children in China (연변지역 탈북 아동 및 청소년의 체위와 식생활 양상)

  • 장남수
    • Journal of Nutrition and Health
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    • v.33 no.3
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    • pp.324-331
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    • 2000
  • A deteriorating North Korean economy, coupled with a devastating natural disaster such as flooding and drought in recent years, brought about a severe food shortage and malnutrition problem which caused a migration of its population including young children to neighboring countries. We conducted a nutritional survey on a total of 436 children, aged 4-19 years old, who migrated to the China side of the border from July to September, 1999. The study subjects were interviewed by Korean-Chinese interviewers who were trained for anthropometric measurements and dietary surveys. Heights, weights, and chest circumference of the subjects were 70-90% of the South Korean reference values for the corresponding age and sex. Dietary intakes of the subjects were found to be extremely poor-the average number of food, mostly of plant origin, consumed in a day was 2.8, and the proportion of the subject who reported to take all three meals in a day while residing in North Korea was as low as 36.2%. Ninety five percent of the subjects had at least one clinical symptom related to malnutrition, 68.6% had 2-4 symptoms, and 15.1% had 5 or more symptoms. The results of this study provided an objective data for the first time on the severity of the food crisis and malnutrition problem that afflicted North Korean older children and adolescents as well as children aged 7 or under as previously reported elsewhere. the wasted and stunted children and youths prevailing in North Korea could exert a negative influence on the country's health and economy. More researches are needed in the future to investigate on the impact of malnutrition in North Korean children on the country's social, economic, and cultural state as well as on the health and nutrition situation.

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Comparison of Chronic Myeloid Leukemia Patient's Utility Weights (만성골수성백혈병 환자의 효용가중치 비교)

  • Lee, Ji-Hyeon;Lee, Eui-Kyung
    • Korean Journal of Clinical Pharmacy
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    • v.19 no.2
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    • pp.153-158
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    • 2009
  • Background: Patients with chronic myeloid leukemia(CML) have different health status according to their disease conditions such as chronic phase(CP), accelerated phase(AP), blast crisis(BC), stage with MCyR(Major Cytogenetic Response); therefore, every patient has different quality of life related to their disease condition. Objectives: To measure the quality of life, this study compared and analyzed the utility weight in patients with CML. This study also evaluated the utility weight in order to view comparisons between the quality of life in a patient with CML to a patient with diabetes, which is a representative chronic disease. Methods: The disease scenario described 5 symptoms of the CP, AP, BC of the CML, the CML which gets the MCyR and the diabetes. Utility weight was developed using the EQ-5D method. All statistical data were analyzed by STATA 10.0 Results: 57 nurses(95%) out of 60 answered the questionnaire. In CP, the utility weight was 0.7946. In AP, it was 0.5301. and in BC, it was -0.2793. Survey data indicate that the worse the condition of a disease, the lower the utility weight. In case of the CML which gets the MCyR, the result was 0.7731(95% CI : 0.7384 - 0.8079). The general diabetes which has no complicating disease, the utility weight was 0.7481(95% CI : 0.6983 - 0.7978). Based on the result, it is evident that those with MCyR are not significantly different from people with general diabetes (p=0.4096) in views of the quality of life.

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Text Analysis of Software Test Report (소프트웨어 시험성적서에 대한 텍스트 분석)

  • Jung, Hye-Jung;Han, Gun-Hee
    • Journal of the Korea Convergence Society
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    • v.11 no.11
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    • pp.25-31
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    • 2020
  • This study is to study a method of applying weights for quality characteristics in software test evaluation. The weight application method analyzes the text of the test report and uses the ratio according to the frequency of the text as a weight for the quality characteristics of the software test score. The feasibility review of the results of this study was conducted by comparing the results of the questionnaire survey, which made the developers and users to evaluate the importance of software, and the results of the frequency analysis of text analysis. When measuring quality based on the eight quality characteristics presented in ISO/IEC 25023, the result of this study is the software quality measurement result considering software characteristics, whereas the result of this study is the software quality measurement result by applying the same weight when measuring quality.

Analysis of the Physical Characteristics and Tranquility of the Valley in Gangwon Province (강원지역 계곡의 물리적 특성 및 고요함 분석)

  • Kim, Kyoung-Nam;Han, Gab-Soo
    • Journal of Forest and Environmental Science
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    • v.30 no.1
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    • pp.152-160
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    • 2014
  • The purpose of this study is to investigate and analyze the physical characteristics and tranquility of the valleys located in Gangwon region. For this study we analyzed the field survey data 135 valleys using GIS. The elements for measurement of tranquility were divided into visual elements including terrain, objects, forest, water and auditory elements including noise. These elements were divided further into positive and negative factors. The weight of each element and item was calculated by applying the AHP method. The results of this study are as follows. The length of the valley ranged from 126 m to 17 km, and the elevation ranged from 40 m to 1,800 m. Type of mixed forest was common in the valleys. The depth of the water was over 20 cm in 83% of the total area and most of the water was in good condition in visual quality. Regarding the positive factors of tranquility, the weighted scores of the objects, waterfall sounds and visual transparence of the water were of relatively high value. Relatively high values were also shown in closed and curved topography in the landform, forest type and natural forests. In the negative factors, the weights of the objects and forest elements had high values. Within the facility groups, facility of the river produced a considerable negative. After applying the index of tranquility, the natural physical attributes affected the tranquility value, more than the manmade structures to a much greater degree.

Effective Thematic Words Extraction from a Book using Compound Noun Phrase Synthesis Method

  • Ahn, Hee-Jeong;Kim, Kee-Won;Kim, Seung-Hoon
    • Journal of the Korea Society of Computer and Information
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    • v.22 no.3
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    • pp.107-113
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    • 2017
  • Most of online bookstores are providing a user with the bibliographic book information rather than the concrete information such as thematic words and atmosphere. Especially, thematic words help a user to understand books and cast a wide net. In this paper, we propose an efficient extraction method of thematic words from book text by applying the compound noun and noun phrase synthetic method. The compound nouns represent the characteristics of a book in more detail than single nouns. The proposed method extracts the thematic word from book text by recognizing two types of noun phrases, such as a single noun and a compound noun combined with single nouns. The recognized single nouns, compound nouns, and noun phrases are calculated through TF-IDF weights and extracted as main words. In addition, this paper suggests a method to calculate the frequency of subject, object, and other roles separately, not just the sum of the frequencies of all nouns in the TF-IDF calculation method. Experiments is carried out in the field of economic management, and thematic word extraction verification is conducted through survey and book search. Thus, 9 out of the 10 experimental results used in this study indicate that the thematic word extracted by the proposed method is more effective in understanding the content. Also, it is confirmed that the thematic word extracted by the proposed method has a better book search result.

Weighting Method based on Experts Opinions for Obesity Syndrome Differentiation Questionnaire (전문가 가중치 부여를 통한 비만변증설문지 적용)

  • Moon, Jin-Seok;Kang, Byung-Kab;Kang, Kyung-Won;Shin, Woo-Jin;Shin, Mi-Sook;Choi, Sun-Mi
    • Journal of Korean Medicine for Obesity Research
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    • v.8 no.1
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    • pp.53-61
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    • 2008
  • Objectives We have investigated a questionnaire on syndrome differentiation pertaining to obesity. To calculate data from this questionnaire, we can simply sum up the degree of symptoms. However, this does not reflect the difference in contribution of syndrome differentiation. In order to improve the level of precision of this questionnaire, we gather the weight of each symptom from experts and apply them to overweight persons. Method Nine Experts from The Society of Korean Medicine for Obesity Research nominated weights for the symptoms. We created a program based on weight survey results and applied to 1487 overweight persons and 26 oriental medical doctors. The concordance rate between the result obtained from the oriental medical doctors and that obtained using three methods was analyzed. Results 1. The reliability of this questionnaire is very high (Cronbach' ${\alpha}$=0.963). 2. The concordance level between diagnosis by oriental medical doctors and the result of general calculation is 0.347, between diagnosis by oriental medical doctors and the result of weighted calculation by syndrome differentiation is 0.362, between diagnosis by oriental medical doctors and the result of weighted calculation by symptoms is 0.1. Conclusions Weighted calculation by syndrome differentiation is relative more appropriate among three methods studied.

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Efficient Image Denoising Method Using Non-local Means Method in the Transform Domain (변환 영역에서 Non-local Means 방법을 이용한 효율적인 영상 잡음 제거 기법)

  • Kim, Dong Min;Lee, Chang Woo
    • Journal of the Institute of Electronics and Information Engineers
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    • v.53 no.10
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    • pp.69-76
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    • 2016
  • In this paper, an efficient image denoising method using non-local means (NL-means) method in the transform domain is proposed. Survey for various image denoising methods has been given, and the performances of the image denoising method using NL-means method have been analyzed. We propose an efficient implementation method for NL-means method by calculating the weights for NL-means method in the DCT and LiftLT transform domain. By using the proposed method, the computational complexity is reduced, and the image denoising performance improves by using the characteristics of images in the tranform domain efficiently. Moreover, the proposed method can be applied efficiently for performing image denoising and image rescaling simultaneously. Extensive computer simulations show that the proposed method shows superior performance to the conventional methods.

A Nutritional Survey of Women Divers in Tongyoung Area (통영지역 해녀의 식습관 및 영양소섭취 실태조사)

  • Lee, Joo-Hee;Kim, Chan
    • Korean Journal of Community Nutrition
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    • v.7 no.6
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    • pp.741-748
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    • 2002
  • The purpose of this study was to investigate the nutritional intake and dietary habits of women divers in Tongyoung area and to support the guideline for the improvement of their dietary life style by a validation of a Computerized Semi-quantitative Food Frequency Questionaire. Compared to the women at Jeju Island, the Tongyoung divers showed similar heights (154.6 $\pm$ 0.8 cm), weights (53.5 $\pm$ 1.0 kg) and BMIs (23.3 $\pm$0.4) , but they showed especially high levels of body fat (33.8 $\pm$ 0.8) . Their dietary habits showed they usually skipped lunch, but ate too much food at once, which may represent the dietary habits shown by obese people. Over 40% of the divers were taking some nutritious food or complementary food for health, without realizing the efficacy of these foods. The analysis of nutritional intake showed that all of average daily nutrients intakes of those below 50 years were higher than those of the Korean RDA. In the case of those above 50 years, it was shown that the average daily nutrients intakes were also higher than those of the Korean RDA except for energy (94.5%) and calcium (82.1%) . However, some individual divers showed lower nutrients intakes than 75% of RDA for calcium, iron, Vitamin A and Vitamin B$_2$. Also, excessive intakes of phosphorous and sodium could be a dietary problem. There was no correlation between BMI or percentage of body fat and energy, CHO, protein or fat. These results can provide the nutritional information for this special community, women divers, to improve their health.

A Study on the Development of Evaluation Measures and Indicators for Foreign Research Information Centers (외국학술지지원센터(FRIC) 평가지표 개발에 관한 연구)

  • Oh, Dong-Geun;Yeo, Ji-Suk;Choi, Sung-Yeol
    • Journal of Korean Library and Information Science Society
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    • v.43 no.2
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    • pp.99-116
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    • 2012
  • This study recommends the evaluation measures and indicators to evaluate the operations and performance of each Foreign Research Information Centers (FRIC) established to support the effective and efficient use of the foreign academic journals at the national level. The indicators are comprised by 3 major sections, subdivided into 35 sub-indexes. Each of indicators is scored according to the weights derived from the AHP survey to the related researchers and the practitioners. As a result, total score of 1,000 is distributed to 3 major sections of operational strategy section (190), operational systems section (440), and operational outcomes (370). Based on the evaluation indicators, measure dictionary is developed, followed by preliminary tests both by the parent organization and by each centers, in order to check the feasibility of the measurement.

Association between family structure and food group intake in children

  • Baek, Youn Joo;Paik, Hee Young;Shim, Jae Eun
    • Nutrition Research and Practice
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    • v.8 no.4
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    • pp.463-468
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    • 2014
  • BACKGROUNDS/OBJECTOVES: Family has an impact on dietary intake of children as a proximal food environment and family structures are changing and becoming more diverse. This study was performed to identify the association between family structure and food group intake of children aged 3-18 years in Korea. SUBJECTS/METHODS: A total of 3,217 children with complete data on variables for household information, dietary intake and sampling weights were obtained from 2010-2011 Korea National Health and Nutrition Examination Survey. Children's family structure was classified into 3 groups (Living with both parents, Living with one parent and Living without parents). To evaluate children's food group intake, scores of individual food groups ('Grains', 'Meat, Fish, Eggs and Beans', 'Vegetables', 'Fruits' and 'Milk and Dairy products') was calculated from percent adherence to the recommended servings of the Korean Food Guidance System (KFGS). 'Food group mean score' was obtained by calculating the average of five food group scores. RESULTS: After adjusting for age, sex, number of family members, and household income, children living with both parents had higher scores in 'Fruits' (P < 0.01), 'Milk and Dairy products' (P < 0.05), and mean score of individual food group score (P < 0.001) compared to children living with one parent. Individual food group scores and mean scores of individual food group scores were associated with different socio-demographic factors in study children. Family structure was associated with 'Fruits,' 'Milk and Dairy products' score and mean scores of food group scores. CONCLUSIONS: These results suggested that different approach might be required to solve nutrition problem in children depending on their family structure and other socio-demographic factors.