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Correlation between Morphologic Grading and Euploidy Rates of Blastocysts, and Clinical Outcomes in In Vitro Fertilization Preimplantation Genetic Screening

Kim MK, Park JK, Jeon Y, Choe SA, Lee HJ, Kim J, Chang EM, Kim JW, Lyu SW, Kim JY, Kwak IP, Lee WS, Yoon TK

BACKGROUND: The standard morphological evaluation has been widely used for embryo selection, but it has limitations. This study aimed to investigate the correlation between morphologic grading and euploidy rate of...
Development of Nutrition Quotient for Korean adults: item selection and validation of factor structure

Lee JS, Kim HY, Hwang JY, Kwon S, Chung HR, Kwak TK, Kang MH, Choi YS

PURPOSE: This study was conducted to develop a nutrition quotient (NQ) to assess overall dietary quality and food behaviors of Korean adults. METHODS: The NQ was developed in three steps: item...
Erratum: Tables Correction. Development of NQ-E, Nutrition Quotient for Korean elderly: item selection and validation of factor structure

Chung MJ, Kwak TK, Kim HY, Kang MH, Lee JS, Chung HR, Kwon S, Hwang JY, Choi YS

The original version of this article contained errors in Tables. The contents of Table 4, 5, and 6 should be corrected.
Development of NQ-E, Nutrition Quotient for Korean elderly: item selection and validation of factor structure

Chung MJ, Kwak TK, Kim HY, Kang MH, Lee JS, Chung HR, Kwon S, Hwang JY, Choi YS

PURPOSE: The purpose of this study was to develop a valid instrument for measuring the dietary quality and behaviors of Korean elderly. METHODS: The development of the Nutrition Quotient for Elderly...
Development of NQ-A, Nutrition Quotient for Korean Adolescents, to assess dietary quality and food behavior

Kim HY, Lee JS, Hwang JY, Kwon S, Chung HR, Kwak TK, Kang MH, Choi YS

PURPOSE: The purpose of this study was to develop a nutrition quotient for adolescents (NQ-A) to assess overall dietary quality and food behavior of Korean adolescents. METHODS: Development of the NQ-A...
Perception and practice regarding allergen labeling: focus on food-related employees

Park SE, Kwon YS, Paik JK, Kwak TK, Hong WS

BACKGROUND/OBJECTIVES: Most consumers are able to recognize allergenic foods. However, the frequency of checking such foods is reportedly low, resulting in higher prevalence of food-related allergic reactions in Korea compared...
Development of nutrition quotient for Korean preschoolers (NQ-P): Item selection and validation of factor structure

Lee JS, Kang MH, Kwak TK, Chung HR, Kwon S, Kim HY, Hwang JY, Choi YS

PURPOSE: Screening of preschool-age children for nutrition programs to improve dietary intake and behaviors requires cost-effective and easily administered validated assessment tools. The purpose of this study was to develop...
Attitudes and preferences of consumers toward food allergy labeling practices by diagnosis of food allergies

Ju SY, Park JH, Kwak TK, Kim KE

BACKGROUND/OBJECTIVES: The objective of this study was to investigate food allergens and prevalence rates of food allergies, followed by comparison of consumer attitudes and preferences regarding food allergy labeling by...
Prevalence of food allergy and perceptions on food allergen labeling in school foodservice among Korean students

Lee AH, Kim KE, Lee KE, Kim SH, Wang TW, Kim KW, Kwak TK

PURPOSE: Prevalence of food allergy and perceptions on food allergen labeling in school foodservice among elementary, middle, and high school students were investigated in Korea. METHODS: A total of 1,000 elementary,...
Meal skipping relates to food choice, understanding of nutrition labeling, and prevalence of obesity in Korean fifth grade children

Kim HY, Lee NR, Lee JS, Choi YS, Kwak TK, Chung HR, Kwon S, Choi YJ, Lee SK, Kang MH

  • KMID: 2313612
  • Nutr Res Pract.
  • 2012 Aug;6(4):328-333.
This study was performed to investigate the differences in food choice, nutrition labeling perceptions, and prevalence of obesity due to meal skipping in Korean elementary school children. A national survey...
Development of a Nutrition Quotient (NQ) equation modeling for children and the evaluation of its construct validity

Kim HY, Kwon S, Lee JS, Choi YS, Chung HR, Kwak TK, Park J, Kang MH

The objective of this study was to develop and evaluate the construct validity of a Nutrition Quotient (NQ) for children. In a previous report (Kang, et al., 2012), the food...
Selecting items of a food behavior checklist for the development of Nutrition Quotient (NQ) for children

Kang MH, Lee JS, Kim HY, Kwon S, Choi YS, Chung HR, Kwak TK, Cho YH

The objective of this study is to select a simple and easy measurable food behavior checklist for the development of Nutrition Quotient (NQ) for children, which reflects children's diet quality,...
Development of Food Safety and Nutrition Education Contents for the Elderly: by Focus Group Interview and Delphi Technique

Choi JH, Lee ES, Lee YJ, Lee HS, Chang HJ, Lee KE, Yi NY, Ahn Y, Kwak TK

Our society is aging rapidly, and the number of elderly people who are in charge of purchasing and preparing foods at home is increasing. However, most the elderly have difficulty...
Production and evaluation of children's dietary life safety index data on metropolitan cities and provinces in Korea

Choi YS, Lee JS, Kim HY, Kwak TK, Chung HR, Kwon S, Choi YJ, Lee SK, Kang MH

  • KMID: 2313640
  • Nutr Res Pract.
  • 2012 Dec;6(6):542-550.
This pilot study was performed to produce data of the Children's Dietary Life Safety (CDLS) Index which is required by the Special Act on Safety Management of Children's Dietary Life...
25-Hydroxyvitamin D Status Based on Estimated Glomerular Filtration Rate in Patients with Chronic Kidney Disease

Koh JH, Kwak IS, Song SH, Lee SB, Rhee H, Seong EY, Park CJ, Kim TK, Oh SB

  • KMID: 2264782
  • Korean J Med.
  • 2012 Dec;83(6):740-751.
BACKGROUND/AIMS: Accumulating data suggest that vitamin D deficiency is prevalent in patients with chronic kidney disease (CKD). However, comprehensive data are lacking for Koreans. The aim of this study was...
Assessment of Kindergarten Principals and Teachers' Performance Degree of Foodservice Hygiene Management and Foodservice Employees' Hygiene Knowledge

Lee JE, Choi KS, Kwak TK

  • KMID: 2332371
  • J Korean Diet Assoc.
  • 2012 Nov;18(4):308-325.
This research aimed to survey foodservice hygiene management practices performed by principals and teachers as well as examine foodservice employees' hygiene knowledge in kindergartens. Surveys were administered to principals, teachers,...
Development of Evaluation Indicators for a Children's Dietary Life Safety Index in Korea

Chung HR, Kwak TK, Choi YS, Kim HY, Lee JS, Choi JH, Yi NY, Kwon S, Choi YJ, Lee SK, Kang MH

This study was performed to develop a children's dietary life safety index required by the Special Act on Safety Management of Children's Dietary Life enacted in 2009. An analytical hierarchy...
Statistical Approach to Test Construct Validity and Obtain Weights for the Children's Dietary Life Recognition and Practice Index

Kwon S, Kim HY, Lee JS, Kwak TK, Chung HR, Choi YS, Kang MH

Constructs with seven latent evaluation indicators and 18 observable survey questions were developed by food and nutrition experts to calculate a food safety recognition and practice index for children. The...
Comparison of Perception and Practice Levels of Dietary Life in Elementary School Children according to Gender and Obesity Status

Lee JS, Kim HY, Choi YS, Kwak TK, Chung HR, Kwon S, Choi YJ, Lee SK, Kang MH

This study was performed to analyze children's perceptions and practice levels according to gender and obesity status using a dietary life safety index. A national survey was conducted on fifth...
Clients' Handling and Consumption of Home-delivered Meals at Home and Their Perceptions on Home-Delivered Meal Services for Older Adults

Park JY, Lee KE, Yi NY, Kwak TK

  • KMID: 2259956
  • Korean J Community Nutr.
  • 2010 Jun;15(3):379-392.
The purposes of this study were to investigate recipients' handling and consumption of home-delivered meals at home and to assess their perceptions on home-delivered meal services for older adults. A...

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