Korean Journal of Community Nutrition

Yun Jung Bae

13 Articles

[English]
A Study on Sodium-related Dietary Attitude and Behaviors According to Sodium-related Nutrition Knowledge of University Students: Mi Hyun Kim, Jee Young Yeon, Jong Wook Kim, Jae Eon Byun, So Young Bu, Mi Kyeong Choi, Yun Jung Bae; Korean J Community Nutr 2015;20(5):327-337. Published online October 31, 2015; DOI: https://doi.org/10.5720/kjcn.2015.20.5.327

OBJECTIVES
Dietary life is closely associated with dietary attitude and diet-related knowledge. Particularly, dietary habit such as sodium intake can be affected by various dietary behaviors such as food choices, dietary attitude toward salty food and a preference for salty taste. The purpose of this study was to assess sodium-related nutrition knowledge and to identify sodium-related attitude and behaviors according to the level of sodium-related knowledge of university students.
METHODS
Anthropometric measurements were provided by 408 students who participated in this study. The study participants answered questionnaires to provide information on general dietary behaviors, sodium-related dietary attitude and other behavioral factors. A total score of nutrition knowledge was used to categorize study participants in to two groups, namely, low level in sodium-related knowledge (LNaK) or high level in sodium-related knowledge (HNaK) and the attitude and the behaviors of students toward sodium intake were compared between these two groups.
RESULTS
The ratio of female students in HNaK group was higher than that in the LNaK group. HNaK group had a higher score in checking nutrition label of processed food than the LNaK group. Total score of sodium-related attitude and behaviors of HNaK group were 34.81 and 32.75, respectively and these scores were significantly higher than that of the LNaK group whose scores were 32.57 and 30.57, respectively. Total energy intake was not different between two groups but the intakes of calcium, vitamin B2 and folate were higher in HNaK group than in the LNaK group. Correlation analysis adjusted for age and gender revealed that total score of sodium-related nutrition knowledge was positively correlated with total score of sodium-related attitude and behaviors.
CONCLUSIONS
In conclusion, students who had high level of sodium-related nutrition knowledge had desirable attitude and behaviors toward sodium intake and these results can be considered in nutrition education for university students.

Citations

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Maternal nutrition intervention focused on the adjustment of salt and sugar intake can improve pregnancy outcomes
Yuri Seo, Yeon Seon Jeong, Kyung‐A Koo, Jeong In Yang, Yoo Kyoung Park
Food Science & Nutrition.2020; 8(7): 3900. CrossRef
Effect of Protection Motivation Factors on Behavioral Intention to Reduce Sodium Intake among University Students in Gyeongnam and Busan
Soo-Hyun Jang, Eunju Yoon
The Korean Journal of Food And Nutrition.2016; 29(1): 104. CrossRef

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[English]
Evaluation of Nutrient Intake and Meal Variety with Breakfast Eating in Korean Adolescents: Analysis of Data from the 2008~2009 National Health and Nutrition Survey: Yun Jung Bae; Korean J Community Nutr 2013;18(3):257-268. Published online June 30, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.3.257

Abstract PDF PubReader

The purpose of this study was to evaluate nutrient intake and meal variety with breakfast eating in Korean adolescents using data from the 2008-2009 National Health and Nutrition Examination Survey. The analysis included 1245 adolescents aged 12 to 18 years. The subjects were divided into two groups according to breakfast skipping (BS: breakfast skipping, n = 235, BE: breakfast eating, n = 1110). The BS group was significantly higher in its frequency of eating soda drinks, instant noodle, and ice cream than the BE group. The BS group consumed significantly lower quantities of plant calcium and plant protein per 1,000 kcal compared to the BE group. Also the intake of cereal and vegetables in the BS group was significantly lower than those in the BE group, however, the intake of beverage in the BS group was significantly higher than that in the BE group. The average number of foods of the BE and BS groups were 29.50 and 25.85, respectively and revealed a statistical significance (p < 0.0001). The snack intake and % energy from snack intake of the BS group were significantly higher than those of the BE group. Also, the fasting blood glucose concentrations were significantly higher in the BS group compared to the BE group. In conclusion, adolescents who skip breakfast may have lower meal variety and higher blood glucose concentrations. Therefore, in support of proper dietary management, it is necessary to promote and encourage breakfast eating.

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Evaluation of dietary habits according to breakfast consumption in Korean adolescents: based on the 6th Korea National Health and Nutrition Examination Survey, 2013 ~ 2015
Hyun-Suk Kim, Ui-Suk Lee, Seon-Hyeong Kim, Youn-Soo Cha
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Children's Food Intake and Nutrition Levels, and Obesity by Maternal Employment: Based on the Korea National Health and Nutrition Examination Survey 2013–2015
Geunyeong Kang, Yoonna Lee, Mihyang UM, Seunghee Kye
Korean Journal of Community Nutrition.2019; 24(4): 331. CrossRef
Ecological Factors Affecting Obesity Among Middle School Students in South Korea
Suhee Kim, Gwang Suk Kim
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Sugar-sweetened beverage consumption and influencing factors in Korean adolescents: based on the 2017 Korea Youth Risk Behavior Web-based Survey
Ayoung Kim, Jinhee Kim, Seunghee Kye
Journal of Nutrition and Health.2018; 51(5): 465. CrossRef
Dietary Habits and Nutritional Status of Young Women according to Breakfast Frequency in Seoul
Da-Mee Kim, Youl-Ri Kim, Kyung-Hee Kim
Korean Journal of Community Nutrition.2018; 23(2): 102. CrossRef
Study on Skipping Breakfast in Adolescents Classified by Household Type
Jaehong Park, Soye You
The Korean Journal of Community Living Science.2017; 28(2): 329. CrossRef
Development of NQ-A, Nutrition Quotient for Korean Adolescents, to assess dietary quality and food behavior
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Journal of Nutrition and Health.2017; 50(2): 142. CrossRef
Importance and performance of food and nutrition labeling for school adolescents in Seoul
Jeong-Yoon Yoon, Ae Wha Ha, Seyoung Ju
Journal of Nutrition and Health.2017; 50(4): 383. CrossRef
A Study on nutritional status and dietary quality according to carbonated drink consumption in male adolescents: Based on 2007~2009 Korean National Health and Nutrition Examination Survey
Yun-Jung Bae, Jee-Young Yeon
Journal of Nutrition and Health.2015; 48(6): 488. CrossRef
Evaluation of nutrient intake and food variety by age in Korean adolescents: Based on 2010~2012 Korean National Health and Nutrition Examination Survey
Yun-Jung Bae
Journal of Nutrition and Health.2015; 48(3): 236. CrossRef
Study on Nutritional Knowledge and Food Consumption Differences of Middle School Students living in Rural and Urban Areas of Inner Mongolia
Ying Li, Youngmi Lee, Nari Park, Haeryun Park
Journal of the East Asian Society of Dietary Life.2015; 25(6): 933. CrossRef
Associations of Eating Habits with Obesity and Nutrition Knowledge for Middle and High School Adolescents in Shanghai and Heze China
Yang Song, Hyo-Jin Ahn, Ji-Hye Choi, Se-Young Oh
Journal of The Korean Society of Food Culture.2014; 29(6): 648. CrossRef

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[English]
A Study on Nutritional Status and Dietary Quality of University Students by Body Image: Jee Young Yeon, Seung Hee Hong, Yun Jung Bae; Korean J Community Nutr 2012;17(5):543-554. Published online October 31, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.5.543

Abstract PDF PubReader

This study was performed to investigate the satisfaction of body image, dietary habits, nutrition intake and dietary quality according to body image of university students (n = 290). The subjects (male = 178, female = 112) were classified to lean, normal and overweight/fat groups according to body image. The weight, body fat and body mass index (BMI) was significantly higher in the students who recognized their body image as 'overweight/fat'. The satisfaction of body image, interest of weight control and experience of weight control were significantly higher in students who recognized their body image as 'normal' in both the male and female subjects. The intakes of nutrients, dietary habits and life styles were not different according to body image. In the male subjects, the niacin intake density, the nutrient adequacy ratio (NAR) of vitamin B1 and the dietary diversity score (DDS) in the students who recognized their body image as 'overweight/fat' were significantly lower than in students who recognized their body image as 'normal' and 'lean'. In female subjects, no significant differences in nutrient intakes, NAR, MAR and DDS were observed according to body image. Future studies with a larger sample size are needed for further assessment of the relationship between nutritional status/diet quality and body image in university students.

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Korean Journal of Human Ecology.2016; 25(1): 73. CrossRef
Nutrition Knowledge, Food Habit Problems and Dietary Attitudes of Nursing Students
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The Journal of Korean Academic Society of Nursing Education.2015; 21(4): 466. CrossRef
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Journal of the Korean Dietetic Association.2015; 21(2): 154. CrossRef
Survey on Health-related Factors, Nutrition Knowledge and Food Habits of College Students in Wonju Area
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Health-related Factors, Nutrition Knowledge and Dietary Habits among Nursing and Allied Health College Students
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Analysis of Weight Control Behaviors by Body Image Perception among Korean Women in Different Age Groups: Using the 2010 Korea National Health and Nutrition Examination Survey Data
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Korean Journal of Community Nutrition.2015; 20(2): 141. CrossRef
Night Eating and Nutrient Intake Status according to Residence Type in University Students
Ye-Sook Jun, Mi-Kyeong Choi, Yun-Jung Bae
Journal of the Korean Society of Food Science and Nutrition.2015; 44(2): 216. CrossRef
A Study on Food Habits and Nutrient Intakes according to BMI in Food and Nutrition Major and Non-major Female Students in Kyungnam University
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Korean Journal of Community Nutrition.2014; 19(4): 297. CrossRef
Dietary habits score, nutrients intake and dietary quality related to coffee consumption of college students in Incheon
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Journal of Nutrition and Health.2013; 46(6): 560. CrossRef
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Korean Journal of Community Nutrition.2013; 18(5): 442. CrossRef

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[English]
Evaluation of Nutrient Intake and Anthropometric Parameters related to Obesity in Korean Female Adolescents according to Dietary Diversity Score: From the Korean National Health and Nutrition Examination Surveys, 2007-2009: Yun Jung Bae; Korean J Community Nutr 2012;17(4):419-428. Published online August 31, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.4.419

Abstract PDF PubReader

The purpose of this study was to evaluate nutrient intake and anthropometric parameters related to obesity in Korean female adolescents according to dietary diversity score. We analyzed data from the combined 2007-2009 Korean National Health and Nutrition Examination Survey (KNHANES). The subjects were 770 female adolescents. Nutrient intakes, Dietary Diversity Score (DDS) ) and Dietary Variety Score (DVS) were derived by using the data from the 24-recall method. The DDS was defined as the number of six food groups (cereals, meats, fruits, vegetables, dairy, fats and oils) consumed. The DVS was defined as the number of food items consumed. The average age of the subjects of the study was 15.02 years and the average height, weight, and BMI were 159.50 cm, 52.58 kg, 20.62 kg/m2, respectively. The energy and nutrients intakes, percent of the recommended intake for nutrients in DDS = 5~6 group were significantly higher than those of the other groups. Calcium and vitamin C INQ in DDS = 5~6 group were significantly higher than those of the other groups. The average DVS of the subjects was 29.33. The most frequent style of food pattern was CMDFVO (cereals, meats, dairy, fruits, vegetables, fats and oils) = 111011. In conclusion, in healthy Korean female adolescents, food diversity intake variety did beneficially affect the intakes of calcium and vitamin C. Further studies are needed to confirm these findings.

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Biological Trace Element Research.2021; 199(5): 1701. CrossRef
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Nutrition Research and Practice.2018; 12(5): 426. CrossRef
Night eating status according to body mass index of Korean adolescents
Mi-Kyeong Choi, Yu-Jin Cho, Myung-Hee Kim, Yun Jung Bae
Nutrition & Food Science.2017; 47(1): 89. CrossRef
Systematic Review on the Study of the Childhood and Adolescent Obesity in Korea: Dietary Risk Factors
Eun Jeong Heo, Jae Eun Shim, Eun Young Yoon
Korean Journal of Community Nutrition.2017; 22(3): 191. CrossRef
Development of NQ-A, Nutrition Quotient for Korean Adolescents, to assess dietary quality and food behavior
Hye-Young Kim, Jung-Sug Lee, Ji-Yun Hwang, Sehyug Kwon, Hae Rang Chung, Tong-Kyung Kwak, Myung-Hee Kang, Young-Sun Choi
Journal of Nutrition and Health.2017; 50(2): 142. CrossRef
Comparison of Diet Quality and Diversity according to Obesity Type among 19-64 year old Korean Adults
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Korean Journal of Community Nutrition.2016; 21(6): 545. CrossRef
Effects of brown rice-vegetable school meal program on subjective health status, BMI and hematological parameters among high school students
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Evaluation of the Nutritional Value of Traditional Korean Noodles through Energy Density and Diversity
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Effects of a Brown Rice and Vegetable Diet on the Defecation Conditions and Health Status of High School Students
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Journal of Korean Public Health Nursing.2013; 27(1): 179. CrossRef

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[English]
Evaluation of Dietary Zinc, Copper, Manganese and Selenium Intake in Female University Students: Yun Jung Bae, Mi Hyun Kim, Jee Young Yeon; Korean J Community Nutr 2012;17(2):146-155. Published online April 30, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.2.146

Abstract PDF PubReader

This study aimed to measure and evaluate the intakes of four antioxidant trace elements, namely, Zn, Cu, Mn, and Se in 19-29y-old female university students in Korea. Diet data were collected by 3-day dietary records in 644 subjects. The mean age, height, weight and body mass index of the subjects were 20.08 years, 161.77 cm, 54.26 kg and 20.82 kg/m2, respectively. The mean, median and 25th-75th percentile intakes of Zn, Cu, Mn, and Se in the subjects were 12.83 mg (12.40 mg, 9.59 to 15.34), 1.30 mg (1.27 mg, 1.00 to 1.57), 3.19 mg (3.12 mg, 2.45 to 3.86), and 50.90 microg (50.17 microg, 37.59 to 64.35), respectively. The proportion of subjects whose Mn intake was adequate or less was 62.89%, and the proportions of subjects whose Zn, Cu and Se intakes were at the estimated average requirements or less were 10.09, 4.97, and 39.60%, respectively. The major food group for dietary intakes of Zn, Cu, Mn, and Se was cereal, providing 8.55 mg (66.60%), 0.78 mg (59.93%), 2.09 mg (65.50%), and 16.83 microg (32.43%), respectively. Many female university students were deficient in Mn and Se compared with the dietary reference intakes. Therefore, except for cereal, it is required to consume a diet consisted of various food sources for increasing the intakes of antioxidant trace minerals, especially animal food groups.

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Assessment of selenium and zinc status in female collegiate athletes
Okhee Lee
Journal of Nutrition and Health.2018; 51(2): 121. CrossRef
Lower serum zinc levels are associated with unhealthy metabolic status in normal-weight adults: The 2010 Korea National Health and Nutrition Examination Survey
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Diabetes & Metabolism.2015; 41(4): 282. CrossRef
Cytoprotective Effect of Zinc-Mediated Antioxidant Gene Expression on Cortisol-Induced Cytotoxicity
Mi Ja Chung, Sung Hyun Kim, In Min Hwang
Journal of the Korean Society of Food Science and Nutrition.2015; 44(5): 649. CrossRef
Effects of Repetitive using Lime Bordeaux Mixture in the Copper Concentration of the Soil and Ginseng Root
Won-Kwon Jung, Deok-Jong Ahn, Jin-Kook Choi, Tae-Suk Ryu, Myeong-Hwan Jang, Tae-Ryong Kwon, Jun-Hong Park, Sang-Jo Park
The Korean Journal of Pesticide Science.2014; 18(4): 404. CrossRef
Dietary behavior and nutritional status among Chinese female college students residing in Korea
Gaowei, Soyeon Kim, Namsoo Chang, Ki Nam Kim
Korean Journal of Nutrition.2013; 46(2): 177. CrossRef

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[English]
Vitamin A Intakes and Food Sources of Vitamin A in Female University Students: Jee Young Yeon, Yun Jung Bae; Korean J Community Nutr 2012;17(1):14-25. Published online February 29, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.1.14

Abstract PDF PubReader

The purpose of this study was to estimate the daily intake of vitamin A in Korean female university students. Vitamin A intake was estimated using an inconsecutive 3-day dietary intake survey from 481 young women. Vitamin A intake values were calculated based on the data in USDA database. Average age, height, and weight of the subjects were 20.05 years, 162.13 cm and 54.38 kg, respectively. The subject's average intake of energy was 1645.67 kcal. The mean vitamin A, retinol and beta carotene intakes were 908.35 +/- 863.18 ug retinol equivalent/day, 199.19 +/- 166.00 ug/day and 3872.59 +/- 4972.17 ug/day, respectively. The 21.83% of the subjects consumed less than the Estimated Average Requirement (EAR) for vitamin A. And subjects consumed 141.69% of the Recommended Nutrient Intake (RNI) for vitamin A. Food groups consumed with high vitamin A content in our subjects included vegetables (423.96 ug RE/day), potato and starches (213.64 ug RE/day), cereals (62.60 ug RE/day), eggs (55.17 ug RE/day) and milks (53.45 ug RE/day). The major food sources of vitamin A were sweet potato, carrot, spinach, egg, and cereal, and the top 30 foods provided 89.57% of total vitamin A. Also animal-derived food provided 9.65% of the vitamin A intake from the top 30 foods. In conclusion, judging from RNI, the vitamin A intake of the Korean female university students in this study was generally adequate. The result of our study may be used as a basis for follow-up studies of vitamin A intake like assessment of vitamin A nutritional status or evaluation of carotenoid food sources in Korean young women.

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Content of Fat-Soluble Nutrients (Cholesterol, Retinol, and α-Tocopherol) in Different Parts of Poultry Meats according to Cooking Method
Ji Hyun Lee, Hee Na Lee, Jung-Ah Shin, Ji Yeon Chun, Junsoo Lee, Ki-Teak Lee
Journal of the Korean Society of Food Science and Nutrition.2015; 44(2): 234. CrossRef

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[English]
Evaluation of Diet Quality of Children and Adolescents Based on Nutrient and Food Group Intake and Diet Quality Index-International (DQI-I): Mi Hyun Kim, Yun Jung Bae; Korean J Community Nutr 2010;15(1):1-14. Published online February 28, 2010

Abstract PDF: It is suggested that evaluation of diet quality may be a great indicator of nutritional assessment. The aim of this study was to evaluate the diet quality of children and adolescents based on nutrient and food group intake and Diet Quality Index-International (DQI-I). This survey was conducted through questionnaires and diet record survey to 477 students (elementary school students; n = 131, middle school students; n = 136, and high school students; n = 210). The results showed that high school students were significantly more often to skip breakfast compared with the other groups. The middle and high school students consumed significantly higher intakes of food and energy compared to the elementary school students. Also the number of nutrients in Index of Nutritional Quality (INQ) < 1.0 of high school students were significantly higher than that of elementary and middle school students. The Korean's dietary diversity score (KDDS) of elementary school, middle school and high school students were 4.1, 4.4 and 4.3 respectively. The average DQI-I of elementary school, middle school and high school students were 66.7, 65.5, and 63.7, respectively and there was significant difference. Also, middle school students showed to have higher score in variety and adequacy category compared with the other groups, and elementary school students appeared to have higher score in moderation category. In conclusion, high school students appeared to have unhealthy dietary habits in terms of high frequency of skipping breakfast and lower INQ and DQI-I score compared to the elementary school and middle school students. Therefore, the proper dietary management should be needed for high school students.

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[English]
The Evaluation Study on Eating Behavior and Dietary Quality of Elderly People Residing in Samcheok According to Age Group: Mi Hyun Kim, Jae Cheol Lee, Yun Jung Bae; Korean J Community Nutr 2009;14(5):495-508. Published online October 31, 2009

Abstract PDF: The purpose of this study was to evaluate the eating behaviors and dietary quality of various aged adults. This study conducted through questionnaire and dietary survey by 24-hr recall to 850 adults residing in Samcheok. Subjects were divided into four groups according to the age in male and female, which included 20~29 yrs group (male n = 94, female n = 66), 30~49 yrs group (male n = 201, female n = 216), 50~64 yrs group (male n = 88, female n = 96), and >or = 65 yrs group (n = 46, female n = 43). In male, 20~29 yrs group had a larger proportion of subjects who skipped breakfast, lunch and dinner compared to other groups (p<0.001, p<0.05, p<0.01). The daily food and energy intakes in > or = 50 yrs group were significantly lower than those of < 50 yrs. Protein and fat intakes of 20~29 yrs group were significantly higher than those of the other groups. But ND (Nutrient Density) of minerals as like calcium, iron and plant iron in 20~29 yrs group were significantly lower than those of other groups. The KDDS (Korean's Dietary Diversity Score) of 20~29 yrs group, 30~49 yrs group, 50~64 yrs group and > or = 65 yrs group in male were 4.1, 3.8, 3.7 and 3.5 respectively and there was significant difference (p < 0.001). In female, skipping breakfast and dinner were significantly higher in 20~29 yrs group than in other groups (p<0.001, p<0.001). And the use of nutrient supplementation was higher in 30~49 yrs group than that of other groups (p<0.05). The daily energy intakes was higher in 20~49 yrs group than that of >or = 65 yrs group. The ND (Nutrient Density) of animal protein, vitamins A and B1 in 20~29 yrs group were significantly lower than those of other groups. The KDDS of 20~29 yrs group, 30~49 yrs group, 50~64 yrs group and > or = 65 yrs group in female were 4.0, 3.9, 3.9 and 3.6 respectively and >or = 65 yrs group was significant lower than other groups. According to these results, >or = 65 yrs and 20~29 yrs group had more dietary habit problems and poor nutrition status than 30~64 yrs group. The results of this study revealed that nutritional management and education for adequate meals should be emphasized in adults and elderly.

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[English]
A Study on Blood Lipids and Blood Pressure of Adult Men and Women According to Vegetable Intake: Mi Kyeong Choi, Yun Jung Bae; Korean J Community Nutr 2007;12(6):761-772. Published online December 31, 2007

Abstract PDF: It has been suggested that vegetables protect the cardiovascular system in part by attenuating blood pressure. The purpose of the present research was to examine blood lipids according to vegetable intakes. Anthropometric measurements, blood pressures, nutrient intakes using the 24-hour recall method, and serum lipids of < 50th percentile vegetable intake group (< 50th percentile VIG; men = 66, women = 111) and > or = 50th percentile vegetable intake group (> or = 50th percentile VIG; men = 83, women = 94) were estimated. The average age, height, and BMI were 54.7 years, 158.2 cm, 62.2 kg, and 24.9 kg/m2 for < 50th percentile VIG and 53.7 years, 159.6 cm, 63.0 kg, and 24.7 kg/m2 for > or =50th percentile VIG, respectively. The daily food intake of the > or = 50th percentile VIG was significantly higher than that of the < 50th percentile VIG (p < 0.001). Also, daily intakes of cereals (p < 0.001), legumes (p < 0.05), nuts (p < 0.05), vegetables (p < 0.001), and fruits (p < 0.05) of the > or = 50th percentile VIG were significantly higher than those of the < 50th percentile VIG. The daily energy intakes of > or = 50th percentile VIG and< 50th percentile VIG were 1342.7 kcal and 1782.0 kcal (p < 0.001), and most nutrient intakes of the > or = 50th percentile VIG was significantly higher than that of the < 50th percentile VIG. Serum cholesterol of the > or = 50th percentile VIG were significantly lower than that of the < 50th percentile VIG (p < 0.01). Also, vegetable intake showed significantly negative correlations with total cholesterol (p < 0.05) and LDL-cholesterol (p < 0.05). Based on these results, it should be emphasized that increase of vegetable intake improves the blood lipid profile.

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[English]
Relation among Dietary Habits, Nutrient Intakes and Bone Mineral Density in Korean Normal and Obese Elementary Students: Yun Jung Bae, Eun Yeong Kim, Hye Kyung Cho, Mi Hyun Kim, Mi Kyeong Choi, Mi Kyung Sung, Chung Ja Sung; Korean J Community Nutr 2006;11(1):14-24. Published online February 28, 2006

Abstract PDF: The purpose of this study was to investigate the relation between bone mineral density and nutrient intake among normal and obese elementary students. Each subject was assigned to one of such as normal (n = 69) and obese groups (n = 94) according to their obesity indices. And they were asked for general characteristics, dietary habits and nutrient intakes using questionnaires and 24-hr recall method. They measured the sound of speed (SOS) of calcaneus using quantitative ultrasound. The averages age of the subjects were 10.6 years in normal and 10.7 years in obese group. The averages weight (p < 0.001) and obesity index (p < 0.001) of the normal group were significantly lower than those of the obese group. In dietary habits, the obese group in boys was the higher skipped breakfast than normal group (p < 0.01). The plant calcium intake of obesity in girls was lower than those of normal group (p < 0.05). The SOS in the calcaneus was 1697.6 m/s in the obese group and 1763.7 m/s in the normal group (p < 0.01). The SOS in the calcaneus was negatively correlated to weight (p < 0.01), obesity index (p < 0.001) and percent of body fat (p < 0.01). Also the SOS in the calcaneus was positively correlated plant calcium intake (p < 0.05). In conclusion, the excessive increase of weight and percent of body fat in elementary students appeared to have negative impact to bone health. And based on these results, further studies on the effects on bone mineral density of obese and nutrient intakes in needed for proper bone health.

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[English]
A Evaluation Study on Nutrient Intake Status and Diet Quality of Middle and Old Aged Vegetarian Women in Korea: Mi Hyun Kim, Yun Jung Bae, Da Hong Lee, Hye Kyung Cho, Sun Hae Choi, Chung Ja Sung; Korean J Community Nutr 2005;10(6):869-879. Published online December 31, 2005

Abstract PDF: The purpose of this study was to evaluate on nutrient intake status and diet quality of middle and old aged vegetarian women in Korea. The research group was composed of vegetarian women (n = 91), all of them were Seven Day Adventists, who had been on vegetarian diets, over 20 yrs. Their anthropometric measurements, dietary intakes, and diet quality indices were compared to omnivores (n = 122). The average age of vegetarians and omnivores were 61.8 yrs and 60.3 yrs, respectively. The mean daily energy intakes of vegetarians and omnivores were 1428.8 kcal and 1424.5 kcal, respectively and there was no significant difference. The vegetarians consumed significantly lower intakes of protein (p<0.05), zinc (p<0.001) and vitamin B2 (p<0.05) compared to omnivores. In the diet quality, zinc and vitamin B2 nutrient adequacy ratio (NAR) of vegetarians were significantly lower than those of omnivores. Mean adequacy ratio (MAR) of vegetarians and omnivores were 0.80 and 0.77, respectively and there was no significant difference. The KDDS (Korean's Dietary Diversity Score) of vegetarians and omnivores were 3.7 and 4.0, respectively, and there was significant difference (p<0.01). The KDQI (Korean's Diet Quality Index) of vegetarians (1.5) was significantly lower than that (2.1) of omnivores (p<0.001). In conclusion, vegetarian women have low intake status of protein, zinc and vitamin B2, and partly low diet quality. Therefore it was needed that well planed diets to replace the nutrients supplied from excluded food groups in middle and old aged vegetarian women.

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[English]
A Comparison between Postmenopausal Osteoporotic Women and Normal Women of Their Nutrient Intakes and the Evaluation of Diet Quality: Yun Jung Bae, Chung Ja Sung; Korean J Community Nutr 2005;10(2):205-215. Published online April 30, 2005

Abstract PDF: The purpose of this study was to compare the nutrient intake and diet quality of postmenopausal osteoporotic women to those of control subjects, and to investigate the relationship among diet quality and bone mineral density in postmenopausal women. In this study, we classified the subjects into the postmenopausal osteoporotic women (n = 38) and control (n = 43) according to their lumbar spine bone mineral density and age. Dietary intakes, anthropometric measurements and dietary quality indices were measured and evaluated. The average age of osteoporotic and control group were 60.4 yrs and 58.3 yrs, respectively and there was no significant difference. Body weight, body mass index of osteoporotic group were significantly lower than those of control group. The average energy intake of osteoporotic and control group were 1243.3 kcal and 1475.8 kcal, respectively and there was a significant difference. The osteoporotic group consumed significantly lower quantities of protein, plant protein, vitamin A, vitamin B1, vitamin B2, folate, vitamin C, calcium, animal calcium, plant calcium, iron and zinc compared to the control group. The osteoporotic group consumed significantly lower of food, vegetables, mushrooms, fruits intakes compared to the control group. In the diet quality, protein, vitamin A, vitamin B1, vitamin B2, folate, vitamin C, calcium, iron, Zinc nutrient adequacy ratio (NAR) of osteoporotic group were significantly lower than that of control group. Mean adequacy ratio (MAR) of osteoporotic and control group were 0.63 and 0.78, respectively and there was significant difference. To evaluate nutrient density, Index of nutritional quality (INQ) was calculated by dividing nutrient content per 1,000 kcal of diet with RDA per 1,000 kcal. The average dietary variety score (DVS) of osteoporotic and control group were 22.4 and 33.2, respectively and there was significant difference. DVSs of pulses (p < 0.01), seeds (p < 0.01) and vegetables (p < 0.05) in osteoporotic group were significantly lower than those of the control. In conclusion, postmenopausal osteoporotic women had lower protein, vitamin A, folate, vitamin C, calcium, iron zinc intake quality and vegetables, mushrooms, fruits DVSs than those of the control. Therefore, to promote skeletal health enough energy and food should be consumed, and the maintenance of vitamin and mineral balance by increasing of vitamin A, folate, vitamin C, calcium, iron of intakes are very important.

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[English]
The Study on Nutritional Status, Bone Mineral Density and Plasma Mineral Concentrations of Smoking Male Adults: Chung Ja Sung, Yun Jung Bae; Korean J Community Nutr 2005;10(1):91-100. Published online February 28, 2005

Abstract PDF: This study was conducted to investigate the effects of smoking on nutrition intake, bone mineral density and blood mineral status. The subjects were composed of two groups: 100 smokers and 100 non-smokers was used along with a questionnaire. Anthropometric measurements, dietary intakes using 24-hours recall method were compared. At twenty subjects from each group were selected, bone mineral density were measured by quantitative ultrasound and plasma mineral levels were analyzed by ICP spectrometer. The average ages of smokers and non-smokers were 23.9 and 22.8 years old, respectively. The height, weight and BMI of the smokers were no significant difference. The average numbers of smoked cigarettes were 11.8/d and the average packyear was 3.1 in the smokers. About 97% of the smokers drank alcoholic beverages, while 85% of the non-smokers did. The smokers tended to eat less meals and dinner meal, but drink coffee more often compared to the non-smokers. The mean daily energy intake and CPF energy intake ratio were 2184. 9 kcal and 57.2 : 13.7 : 26.4 in the smokers and 2262.6 kcal and 55.8 : 13.1 : 28.6 in the non-smokers. The smokers consumed significantly lower intake of beta-carotene. There were no significant differences in bone mineral density of BUA, SOS and QUI. There were no significant differences in plasma levels of Ca, Mg, Fe and Zn. However, plasma Cu level of the smokers was significantly higher than that of the non-smokers. In conclusion, the smokers of this study showed a more undesirable dietary intake in the light of their low beta-carotene and high alcoholic beverages, and coffee. The plasma Cu level of the smokers was higher than that of the non-smokers, showing that Cu is involved in smoking. Therefore, it could be suggested that more systematic research be conducted with respect to Cu and smoking and that increased nutrition education and guidelines for smokers are required.

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