Korean Journal of Community Nutrition

Original Articles

[English]
Relationship between Complementary Feeding Introduction and Early Childhood Caries: Results from the Korea National Health and Nutrition Examination Survey 2008–2015: Miyong Yon, Hye Sun Shin, Haeng Shin Lee; Korean J Community Nutr 2019;24(2):97-105. Published online April 30, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.2.97

OBJECTIVES
This study examined whether the infant feeding type and duration are related to the introduction of complementary feeding, and whether the appropriate introduction of complementary feeding in infancy is related to tooth decay in toddlers.
METHODS
The subjects were 1,521 toddlers among 2~3 year old children in the Korea National Health and Nutrition Examination Survey from 2008 to 2015. The toddlers were divided into the appropriate group (4~6 months) and delayed group (>6 months) according to the timing of complementary feeding introduction.
RESULTS
The delayed group were 26.5% of subjects and the formula feeding period in the appropriate group and delayed group was 8.4 and 10.3 months, respectively (P=0.002). On the other hand, there was no difference in the breastfeeding period between the appropriate group and delayed group (P=0.6955). Early childhood caries was more common in the delayed group (P=0.0065). The delayed introduction of complementary feeding was associated with a risk of early childhood caries according to the logistic models (OR 1.81, 95% CI 1.27â€“2.57).
CONCLUSIONS
The introduction of complementary feeding is associated with early childhood caries. Therefore, the importance of the proper introduction of complementary feeding in infancy should be emphasized, and public relations and education for maternal care and breastfeeding should be provided through health care institutions.

Citations

Citations to this article as recorded by

Feeding Practices and Early Childhood Caries in Korean Preschool Children
You Hyun Park, Yoon Young Choi
International Dental Journal.2022; 72(3): 392. CrossRef
Prediction Models of Early Childhood Caries Based on Machine Learning Algorithms
You-Hyun Park, Sung-Hwa Kim, Yoon-Young Choi
International Journal of Environmental Research and Public Health.2021; 18(16): 8613. CrossRef
Dietary intake and nutritional status of Korean children and adolescents: a review of national survey data
Minji Kang, So Yoon Choi, Minyoung Jung
Clinical and Experimental Pediatrics.2021; 64(9): 443. CrossRef

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[English]
Study of the Coverage of Nutrition Labeling System on the Nutrient Intake of Koreans - using the 2013 Korea National Health and Nutrition Examination Survey (KNHANES) Data: Ji Eun Park, Haeng Shin Lee, Yoonna Lee; Korean J Community Nutr 2018;23(2):116-127. Published online April 30, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.2.116

Abstract PDF PubReader: OBJECTIVES
The purpose of this study was to examine the coverage of the current mandatory nutrition labeling system on the nutrient intake of Koreans.
METHODS
KNHANES dietary intake data (2013) of 7,242 subjects were used in the analysis. KNHANES dietary intake data were collected by a 24-hour recall method by trained dietitians. For analysis, all food items consumed by the subjects were classified into two groups (foods with mandatory labeling and other foods). In the next step, all food items were reclassified into four groups according to the food type and nutrition labeling regulations: raw material food, processed food of raw material characteristics, processed foods without mandatory labeling, and processed foods with mandatory labeling. The intake of energy and five nutrients (carbohydrate, protein, fat, saturated fat, and sodium) of subjects from each food group were analyzed to determine the coverage of the mandatory nutrition labeling system among the total nutrient intake of Koreans.
RESULTS
The average intake of foods with mandatory labeling were 384g/day, which was approximately one quarter of the total daily food intake (1,544 g/day). The proportion of energy and five nutrients intake from foods with mandatory labeling was 18.1%~47.4%. The average food intake from the 4 food groups were 745 g/day (48.3%) for the raw food materials, 54 g/day (3.5%) for the processed food of raw material characteristics, 391 g/day (25.3%) for the processed foods without mandatory labeling, and 354 g/day (22.9%) for the processed foods with mandatory labeling.
CONCLUSIONS
Although nutrition labeling is a useful tool for providing nutritional information to consumers, the coverage of current mandatory nutrition labeling system on daily nutrient intake of the Korean population is not high. To encourage informed choices and improve healthy eating habits of the Korean population, the nutrition labeling system should be expanded to include more food items and foodservice menus.

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[English]
Breast-feeding and Obesity in Early Childhood: Based on the KNHANES 2008 through 2011: Miyong Yon, Haeng Shin Lee, Dohee Kim, Jeeyeon Lee, Jiwoon Nam, Gui Im Moon, Jinhwan Hong, Cho il Kim; Korean J Community Nutr 2013;18(6):644-651. Published online December 31, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.6.644

Abstract PDF PubReader

Although there has been a significant increase in breast-feeding (BF) rate in Korea, it is plateaued since 2008 and still low compared with that of other countries. Because BF has been related to lower obesity prevalence in many studies and the increase in childhood obesity became evident in Korea, we wondered if a relatively lower BF rate has anything to do with this increase. Therefore, we looked into the relationship between mode & duration of BF during infancy and weight status of toddlers using the data from Korea National Health and Nutrition Examination Survey 2008 through 2011. Number of 2-3 year old toddlers with complete information on BF, anthropometry and normal birth weight was 674. While 87% of them were ever-breastfed, 6.2% each of them were either obese or overweight based on the Standard Growth Chart for Korean Children. Not only the obesity prevalence was different among groups of different mode of feeding, but also the mean duration of BF was significantly longer in normal weight group (9.2 mo.) compared with obese group (5.5 mo.). Accordingly, overweight and obesity prevalence of the toddlers breast-fed for 12 months or longer was significantly lower than that of the toddlers breast-fed for less than 12 months (OR 0.53, 95% CI 0.32-0.87). This study revealed that both BF and duration of BF affect the childhood obesity and, BF for 12 months or longer should be encouraged more aggressively as one of the main strategies to prevent and/or decrease childhood obesity in Korea.

Citations

Citations to this article as recorded by

Breastfeeding and impact on childhood hospital admissions: a nationwide birth cohort in South Korea
Jeong-Seon Lee, Jae Il Shin, Sunyeup Kim, Yong-Sung Choi, Youn Ho Shin, Jimin Hwang, Jung U Shin, Ai Koyanagi, Louis Jacob, Lee Smith, Han Eol Jeong, Yunha Noh, In-Sun Oh, Sang Youl Rhee, Chanyang Min, Seong Ho Cho, Steve Turner, Guillaume Fond, Laurent B
Nature Communications.2023;[Epub] CrossRef
Association of Infant Feeding Characteristics With Dietary Patterns and Obesity in Korean Childhood
Kyoung-Nam Kim, Moon-Kyung Shin
Journal of Preventive Medicine and Public Health.2023; 56(4): 338. CrossRef
Feeding characteristics in infancy affect fruit and vegetable consumption and dietary variety in early childhood
Kyoung-Nam Kim, Moon-Kyung Shin
Nutrition Research and Practice.2023; 17(2): 307. CrossRef
Relations among Maternal Employment, Depressive Symptoms, Breastfeeding Duration, and Body Mass Index Trajectories in Early Childhood
Jihyoung Kim
Journal of The Korean Society of Maternal and Child Health.2020; 24(2): 75. CrossRef
Knowledge and health beliefs about gestational diabetes and healthy pregnancy's breastfeeding intention
Seungmi Park, Jung Lim Lee, Jang In Sun, Youngji Kim
Journal of Clinical Nursing.2018; 27(21-22): 4058. CrossRef
Exclusive breastfeeding and partial breastfeeding reduce the risk of overweight in childhood: A nationwide longitudinal study in Korea
Seon-Joo Park, Hae-Jeung Lee
Obesity Research & Clinical Practice.2018; 12(2): 222. CrossRef
Dietary status of young children in Korea based on the data of 2013 ~ 2015 Korea National Health and Nutrition Examination Survey
Eun-kyung Kim, Byengchun Song, Se-Young Ju
Journal of Nutrition and Health.2018; 51(4): 330. CrossRef
The Relationship Between Breastfeeding Duration and Preschooler Problem Behavior: The Mediating Role of Cognitive Development
Sujeong Kang, Yea-Ji Hong, Naya Choi, Kangyi Lee
Korean Journal of Child Studies.2017; 38(6): 63. CrossRef
Factors Affecting Obesity and Overweight in Korean Preschool Children: Based on the Korea National Health and Nutrition Examination Survey 2013-2014
Inju Hwang, Kyung-Sook Bang
Child Health Nursing Research.2016; 22(4): 237. CrossRef
Dietary Habits and Nutrient Intakes according to Feeding Method during Infant Period in Elementary School Students
Myung-Hwa Kang, Mi-Kyeong Choi, Hyun-Jin Kim, Yun-Jung Bae
Journal of the Korean Society of Food Science and Nutrition.2015; 44(1): 57. CrossRef

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[English]
Nutritional Environment Influences Hypertension in the Middle-aged Korean Adults: based on 1998 & 2001 National Health and Nutrition Survey: Hae Jeung Lee, Haeng Shin Lee, Yoonna Lee, Young Ai Jang, Jae Jin Moon, Cho il Kim; Korean J Community Nutr 2007;12(3):272-283. Published online June 30, 2007

Abstract PDF: This study was performed to delineate the relationship between lifestyle and nutritional risk factors associated with hypertension in representative middle-aged Korean population. Hypertension in this study is defined as hypertensive (SBP> or = 140 mmHg or DBP> or = 90 mmHg) adults without recognition of a disease state before a health exam. With data from the 1998 and 2001 National Health and Nutritional Survey, nutrient intakes of 6,112 adults, 40-64 years of age were calculated using food composition database and matched with health examination records by individual ID. After excluding those with extreme intake values, the number of final subjects included in the analysis was 5,200 (male 2,458, female 2,742). Using logistic regression method, socio-demographic data, lifestyle factors, and nutrient intakes were analyzed. Risky factors for hypertension revealed in this study were age, sex, BMI over 23, waist circumference, alcohol intake of more than 16 g (male) or 8 g (female). Regarding nutrient intakes, the intakes of highest quartile for energy (> or = 2363.0 kcal) and protein (> or = 90.2 g) were significantly associated with higher risk of hypertension after adjusting for age, sex, and other socio-demographic factors (OR = 1.312 (1.046-1.711), OR = 1.488(1.194-1.854), respectively)). Although high intakes of sodium (> or = 6604.0 mg) and phosphorus seemed to be risk factors of hypertension also before energy adjustment (OR = 1.278(1.034-1.581), OR = 1.280(1.024 -1.600), respectively), only high intakes of energy and protein remained significant after adjustment. This study revealed that modifying risky lifestyles and dietary patterns, especially high energy intake, high protein intake, and high alcohol drinking, in middle-aged Korean adults could result in a prevalence decrease and/or prevention of hypertension.

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[English]
Dietary Intake Pattern of the Korean Adult Population by Weight Status: 2001 National Health and Nutrition Survey: Yoonna Lee, Haeng Shin Lee, Young Ai Jang, Hae Jeung Lee, Bok Hee Kim, Cho Il Kim; Korean J Community Nutr 2006;11(3):317-326. Published online June 30, 2006

Abstract PDF: To explore the relationship between weight status and food intake pattern, the Nutrition Survey results of the 2001 National Health and Nutrition Survey were analyzed. Dietary intake data of Korean adults aged 20 to 64, years who participated in the 2001 National Health and Nutrition Survey, was used along with their demographic data. Subjects were classified into 4 groups based on the BMI value of subjects: underweight, normal, overweight and obese. For male adults, obese subjects had significantly higher mean intake of energy, protein, carbohydrates, and fat than normal subjects. In addition, obese male adults consumed more animal foods, especially more meats, than normal subjects. However, females obese subjects did not show higher intake of energy or fat. Although obese male adults showed higher energy intake, calcium and iron intake per 1000 kcal was lower than normal adults. Average calcium intake in females was low; about 70% of RDA regardless of obesity level. In addition, riboflavin and Vitamin A intake was lower in overweight and obese female than in normal females. Percentage of subjects with low fruit and vegetable intake (<400 g per day) was also high in female subjects. These results showed that food and nutrient intake patterns of obese population were different between male and female adults. These dietary intake patterns need to be considered in developing and implementing nutrition policy and intervention programs to prevent and control obesity. Moreover, the National Survey and monitoring system should be developed for continuous and effective investigation on the relationship between obesity and dietary intake.

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[English]
Food and Nutrient Consumption Patterns of the Korean Adult Population by Income Level - 2001 National Health and Nutrition Survey: Bok Hee Kim, Joung Won Lee, Yoonna Lee, Haeng Shin Lee, Young Ai Jang, Cho il Kim; Korean J Community Nutr 2005;10(6):952-962. Published online December 31, 2005

Abstract PDF: To explore the relationship between economic status and food and nutrient intake patterns, the 2001 National Health and Nutrition Survey result was analyzed. Dietary intake data of 6,978 Korean adults of 20 years and older who participated in the 2001 National Health and Nutrition Survey were used along with their demographic data. Economic status of the subjects was classified into the following 4 groups based on the self-reported average monthly income of household with reference to the minimum monthly living expenses (MLE) in 2001: low<100% MLE < or = middle<200% MLE < or = high<300% MLE < or = higher. Individuals in the higher income class had significantly higher mean intake for most of the nutrients including energy, protein, carbohydrate, fat, calcium, thiamin, riboflavin, niacin and vitamin C, and a higher percentage of energy intake from fat. In addition, they consumed more animal foods including meats, eggs, fish/shellfish, milk/dairy products and fats. On the other hand, the mean intakes of individuals in the lower economic class for calcium, vitamin A, and riboflavin were lower than 75% of RDAs. And, there was a predominant difference in contribution of fat to total energy intake among the groups of different economic status. These results showed that household income is an important factor influencing the food and nutrient intake patterns of the Korean adult population. Although individuals at different age classes may respond differently to a change in economic status, developing and implementing nutrition policy and intervention programs for those nutritionally vulnerable groups should consider the economic status as an important factor to customize and differentiate the content of the program.

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[English]
Relationship between Nutrient Intake and Biochemical Markers of Bone Metabolism in Korean Postmenopausal Women: Haeng Shin Lee, Da Hong Lee, Chung Ja Sung; Korean J Community Nutr 2001;6(5):765-772. Published online December 31, 2001

Abstract PDF: To delineate the relationship between the nutrient intake from diet and the serum biochemical markers of bone metabolism, 56 postmenopausal women of 50 to 77 years of age were recruited. The biochemical markers including osteocalcin, calcium, phosphorus, estradiol and free testosterone were measured in fasting blood. Bone mineral density(BMD) was measured also by dual energy X-ray absorptiometry, and the nutrient intake of earth individual subject was estimated by 24-hour recall of 3 days. The age of the subjects was 64.8 +/- 7.7 years, and the BMDs of the subject were 0.86 +/- 0.26g/cm2(Lumbar spine), 0.60 +/- 0.10g/cm2 (Femoral neck), 0.49 +/- 0.10g/cm2(Trochanter), and 0.41 +/- 0.14g/cm2(Ward's triangle). There were no significant differences among age and nutrient intake level groups due to the small sample size. The biochemical markers showed certain degree of relationship with nutrient intake levels. The results were compared among 3 groups with different nutrient intake level classified by the percentage of Recommended Daily Allowances(RDA) for Koreans as follows low < 75% RDA, 75% RDA < or = adequate< 125% RDA, high > or = 125% RDA. The low energy and low riboflavin groups showed significantly higher serum osteocalcin levels than those of the high intake groups(p<0.05). On the other hand, there was a trend for serum Ca level to be higher with high nutrient intake. In this case, protein and thiamin were the only nutrients that reached a statistical significance(p<0.05). And the groups with low intake for protein and Ca showed significantly lower serum free testosterone levels than that of other intake groups(p<0.05). This study suggests an important role of nutrient intake levels on blood biochemical markers of bone metabolism.

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[English]
Effects of Isoflavone Supplementation on Serum Lipids in Hyperlipidemic Postmenopausal Women: Da Hong Lee, Chung Ja Sung, Haeng Shin Lee, Mi Hyun Kim, Yu Lee Seo; Korean J Community Nutr 2001;6(1):69-75. Published online February 28, 2001

Abstract PDF: Intake of soy protein the fisk factors associated with cardiovascular disease in postmenopausal women. This study was designed to effects of isoflavone supplementation on serum lipids in 16 hyperlipidemic postmenopausal women . For this purpose, an intervention study was conducted for 12 weeks. Subjects were healthy, free-living women consuming habitual diets with 0.3g/d of isoflavone. Food and nutrient intake was obtained by 24-hr recall method and anthropometric measurement were made. Systolic and diastolic blood pressure, total serum cholesterol. HDL-cholesterol and LDL-cholesterol were determined before and after the isoflavone supplementation. The results were summarized as follows. The average age, hight, weight and BMI of the subject were 65.3 years, 151.4 cm, 62.2 kg and 27.1, respectively. The systolic blood pressure and diastolic blood pressure were not reduced significantly with isoflavone supplementation. Total cholesterol (p<0.001), HDL-C(p<0.05), and LDL-C(p<0.01) were significantly increased after isoflavone concentration. In conclusion, isoflavone supplementation was not effective to modify risk factors for cardiovascular disease.

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[English]
The Nutritional Status of Various Populations Living in Selected Areas for Model Nutritional Work in Korea: Ae Ja Shin, Seoung Hee Kye, Dong Yeon Kim, Haeng Shin Lee; Korean J Community Nutr 1999;4(4):529-538. Published online December 31, 1999

Abstract PDF: It is very important to collect information on the nutritional status of the Korean population for the development of health promotion programs including nutrition. The purpose of this study was to assess the nutritional status of various population living in selected areas for model nutritional work. Seven hundred eighty households(30 households per each area)from 26 areas participated in this study from November 1 to November 20, 1996. Dietary intake data for two consecutive days were collected at household level by a weighting method. The mean energy intake of the subjects(1,934 kcal) was higher than that resulted from the '95 Korean National Nutrition Survey(1,839 kcal). The proportion of energy derived from cereals was 60.1%. The proportion of total protein intake from animal sources was 49.4%. These results were similar to those found in the '95 Korean National Nutrition Survey. Most nutrients(except iron, thiamin, riboflavin, vitamin C, and crude fiber) were higher than the result of the '95 Korean National Nutrition Survey. However, the average iron intake was about 68% of the result of '95 Korean National Nutrition Survey. This may be due to the adjustment of iron content in rice(3.7mg/100g-->0.5mg/100g) included in nutrient database for calculating nutrient intakes. The mean energy contribution from carbohydrate, protein, and fat were 64.2%, 16.4% and 19.4%, respectively. Significant differences of nutrient intakes were noted among some areas, which may be due to different food intake patterns according to the needs of the particular area. Therefore, the result of this study indicates that there are significant differences in food and nutrient intakes among the areas, suggesting that nutritional improvement programs may need to be developed differently by areas.

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[English]
The Development and Evaluation of a Simple Semi-quantitative Food Frequency Questionnaire to Assess the Dietary Intake of Adults in Large Cities: Hee Ja Lee, Haeng Shin Lee, Myung Ju Ha, Seung Hee Kye, Choi Il Kim, Choong Won Lee, Jin Sook Yoon; Korean J Community Nutr 1997;2(3):349-365. Published online August 31, 1997

Abstract PDF: Using data obtained from 1,473 adults aged 18-68 yrs, residing in large cities and by use of a semi-quantitative food frequency questionnaire, we assessed the relative importance of various foods as indicators of both the amount and the variability of selected nutrient intake to develop a simple food frequency questionnaire. Since Cronbach's alpha value of the questionnaire including 78 food items was 0.76, the reliability of this questionnaire was acceptable. A large fraction of the variability of nutrient intake in this population could be explained by the small number of food items. The estimation of dietary nutrient intake such as total calories or protein content, which are derived from almost all foods, will require more food items with nutrients such as calcium or vitamin A, which are concentrated in a few food items. A dietary history ascertaining the intake of as few as 5-19 food items mighted be all needed in order to determent the association between disease outcome and the intake of a single nutrient. There was certainly a high level of agreement with nutrient intake by the sbujects who were cross-classified by quartiles of nutrient indices based on all the food items(78) and by quartiles of nutrient indices based on food items selected by stepwise multiple regression for selected nutrients. The data provided further evidence that useful information on dietary intake over an extended period can be obtained by a simple and relatively inexpensive food frequency questionnaire.

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