• Journal of Nutrition and Health
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• 제49권5호
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• pp.378-394
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• 2016

본 연구는 3~5세 취학전아동 대상 영양지수 (Nutrition Quotient for Preschoolers, NQ-P) 개발을 목표로 수행되었다. 어린이의 식행동 및 영양섭취 관련 문헌, 국민건강영양조사 자료 분석 및 전문가 대상 심층면접을 통해 38개 후보평가항목을 선정한 후, 후보 평가항목 중 식품 및 영양소 섭취량을 잘 반영해 주는 평가항목을 선정하기 위해 어린이집 3~5세반 100명의 부모/보호자를 대상으로 식사섭취조사와 체크리스트 설문조사를 수행하였으며, 평가항목과 식품 및 영양소 섭취량, 식사다양성, 체질량지수와의 상관관계 분석 결과로부터 유의한 상관관계를 나타낸 평가항목과 영유아 식생활지침과 어린이 급식관리지침서 영양관리기준에 근거하여 20개 평가항목으로 구성된 체크리스트를 도출하였다. 영양지수 모형을 설정하기 위해 전국 어린이집 목록을 활용하여 조사 대상 어린이집을 기본 층화변수로 5개 권역을 설정하여 어린이집 수를 할당하고 어린이집 당 약 10명을 표본으로 하여 총 412명을 대상으로 조사를 수행하였다. 탐색적 요인분석과 확정적 요인분석에 의해 영양지수구조 모형에 포함된 평가항목은 14개였으며, 구조방정식모형을 통해 14개의 평가항목으로 구성된 영양지수의 구성타당도를 검증하고 가중치를 계산하였다. 전문가 자문에 의한 요인 검토와 조정을 거친 결과 영양지수는 3-factor structure로서 균형, 절제, 환경의 3 영역으로 구성되었다. '균형' 영역에는 콩제품, 생선, 고기, 채소, 흰 우유 섭취의 5개 평가항목, '절제' 영역에는 가공육류, 가공음료, 과자류, 패스트푸드 섭취의 4개 평가항목, 그리고 '환경' 영역에는 아침식사 빈도, 정해진 장소에서 식사, 식사 전 손씻기, 바른 식생활을 위한 노력 정도, TV시청 스마트폰 컴퓨터 사용시간 (screen time)의 5개 평가항목이 포함되었다. 영역별 가중치는 균형 0.45, 절제 0.30, 환경 0.25로 설정하였으며, 영역 내 항목 가중치는 표준화 경로계수를 활용하여 계산하였다. 전국 3~5세 취학전아동 (n = 412명)의 NQ-P 점수는 평균 60.64점 (중앙값: 60.84점, 최소값: 34.99점, 최대값: 88.72점)이었고, 영역별 평균 점수를 보면 균형 60.49점, 절제 51.49점, 환경 71.66점을 나타내었다. 본 연구에서 개발한 NQ-P는 14개 문항의 체크리스트 설문 조사를 통하여 영양지수 점수는 물론, 균형, 절제, 환경의 3개 영역 (요인)의 점수를 산출할 수 있으며, 산출된 영양지수 점수와 영역 점수를 이용하여 어린이의 상대적인 NQ-P 등급을 부여하고, 영양상태 및 식사의 질에 대한 평가를 수행할 수 있다.

• Journal of Nutrition and Health
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• 제50권2호
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• pp.142-157
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• 2017

본 연구는 생애주기별 영양지수 중 청소년을 위한 영양지수 (Nutrition Quotient for Adolescents, NQ-A) 모형을 개발하고자 수행되었다. 영양지수 평가항목 선정을 위해 식품섭취영역에서 20개 문항, 식행동 식습관 영역에서 21개 문항의 총 41개 문항으로 구성된 파일럿 조사용 체크리스트를 개발하였다. 청소년 213명을 대상으로 1일의 식사섭취실태 조사를 포함한 파일럿 조사를 수행하고, 체크리스트 항목 점수와 식사섭취실태 관련 변수들 간의 상관관계가 높은 24개의 평가항목으로 구성된 전국단위 조사용 체크리스트를 개발하였다. 전국단위 조사는 시도별 집락별로 층화추출된 중고등학생 1,547명에 대해 구조화된 설문지로 면대면 조사를 수행하였고, 탐색적 요인분석을 수행하여 청소년 영양지수의 평가 항목을 19개 항목의 5개요인으로 분류하고, 구조방정식 모형을 이용해 평가 항목의 구성타당도를 검증하고 추정된 경로계수를 가중치로 적용하였다. 청소년 영양지수를 위한 5개의 요인과 가중치는 각각 균형 0.25, 다양 0.15, 절제 0.25, 환경 0.15, 실천 0.20이었다. 균형 영역에는 과일 섭취 빈도, 흰 우유 섭취 빈도, 콩류 섭취 빈도, 생선 섭취 빈도의 4개 항목이 포함되었고, 다양 영역은 채소 반찬 섭취 빈도, 반찬 골고루 먹는 정도, 편식 정도의 3개 항목, 절제 영역은 과자 또는 달거나 기름진 빵 섭취 빈도, 가공 음료 섭취 빈도, 라면 섭취 빈도, 카페인 음료 섭취 빈도, 야식 섭취 빈도, 길거리 음식 섭취 빈도의 6개 항목, 환경 영역은 아침식사 빈도, 식탁에 앉아서 식사하는 정도, TV 핸드폰 컴퓨터 사용 시간의 3개 항목, 그리고 실천 영역은 영양 표시 확인 정도, 음식 먹기 전 손 씻는 정도, 운동 빈도의 3개 항목이 포함되었다. 전국단위 조사대상자의 영양지수 (NQ-A) 평균 점수는 56.0점이었고, 세부 영역별로는 균형 58.6점, 다양 55.6점, 절제 48.1점, 환경 70.6점, 실천 52.1점이었다. 영양지수 점수와 각 영역별 등급은 전국 조사 결과의 백분위수 분포를 기준으로 75~100 백분위의 경우 '상' 등급, 25 ~ <75 백분위의 경우 '중' 등급, 0 ~ <25 백분위는 '하' 등급으로 분류하였다. 영양지수의 경우 63.1~100점은 '상' 등급, 49.0~63점은 '중' 등급, 0~48.9점은 '하' 등급으로 판정되었다. 본 연구에서 개발된 청소년을 위한 영양지수는 19개 항목으로 구성된 식행동 체크리스트를 통해 영양지수 점수와 균형, 다양, 절제, 환경, 실천 영역의 점수를 산출할 수 있으며, 상대적인 NQ 등급 부여를 통해 식사의 질과 식행동이 양호한 지를 판정할 수 있다. 본 연구에서 개발된 청소년용 영양지수 (NQ-A)가 청소년의 식사의 질과 식행동 평가 및 영양교육의 효과 평가 등에 많이 활용될 것으로 기대된다.

• Journal of Nutrition and Health
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• 제56권5호
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• pp.483-495
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• 2023

본 연구는 서울 및 경기지역에 거주하는 노인 250명을 대상으로 건강기능식품 섭취가 식생활에 미치는 영향을 파악하기 위해 수행되었다. 2주 이상 지속적으로 건강기능식품을 섭취하였을 때 건강기능식품 섭취군으로 판정하였고, 노인의 식생활 평가를 위해 구성타당도 평가가 수행된 노인 영양지수 (NQ-E 2021)를 활용하여 식사의 질을 평가한 결과는 다음과 같다. 본 연구대상자의 평균 연령은 70.8세이었고, 건강기능 섭취 여부에 따른 연령, 키, 체중 및 체질량지수에 유의적인 차이는 존재하지 않았다. 전체 조사대상자의 NQ-E 점수와 영역별 점수를 보면 NQ-E 52.5점, 균형 43.3점, 절제 56.7점, 실천 65.7점이었고, 영양지수 전체 17개 항목 중 60점 이하의 낮은 점수를 보인 항목은 총 7개였는데, '과일 섭취', '우유 및 유제품 섭취', '어패류 섭취', '달걀 섭취', '콩 및 콩 제품 섭취', '견과류 섭취'와 '단 간식 및 단 음료 섭취 절제' 점수가 낮아서 노인들이 전반적으로 다양한 식품군을 충분하게 섭취하지 못하는 것으로 평가되었다. 건강기능식품 섭취 여부에 따른 차이를 보면 전체 NQ 점수와 다양한 식품군을 섭취하는 균형점수에서 유의적인 차이를 보여 건강기능식품 섭취군에서 건강기능식품 비섭취군보다 유의적으로 높은 점수를 보였다. NQ 판정등급 비율에서도 건강기능식품 섭취군이 건강기능식품 비섭취군보다 NQ-E 점수와 균형 영역에서 [상] 등급이 8% 이상 유의적으로 더 많았다. 영양지수 문항별 점수에서 건강기능식품 섭취군은 과일, 어패류, 달걀, 견과류, 잡곡밥 섭취 및 건강한 식생활을 하려는 노력에서 건강기능식품 비섭취군보다 높은 점수를 보였다. 본 연구결과 노인에서 건강기능식품 섭취군이 비섭취군보다 영양지수 평가를 통해 전반적인 식사의 질이 높은 것으로 평가되었는데, 이는 건강기능식품 섭취군에서 균형과 실천 영역에 해당하는 문항의 점수가 높은 것에 기인하였다. 그러나 전반적으로 노인들의 영양지수 점수가 낮고, 특히 균형 영역에 해당하는 다양한 식품군의 섭취가 제대로 이루어지지 않으므로 노인 영양문제 개선을 위한 지속적인 노력이 강구되어야 할 것으로 사료된다.

• 대한영양사협회학술지
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• 제21권2호
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• pp.110-122
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• 2015

The purpose of this study was to investigate the correlation between food behavior and Attention Deficit Hyperactivity Disorder (ADHD) score in elementary students in Suwon-si, Gyeonggi-do. Two hundreds and thirty two students (113 male and 119 female) in grades 4~6 participated. We assessed food behavior by using Nutrition Quotient (NQ). NQ was examined by an NQ questionnaire, which consisted of 19 food behavior checklist items. Their items were grouped into five categories: balance, diversity, moderation, regularity, and practice. All data were statistically analyzed by SPSS 18.0. Among the five factors, NQ for food behavior and balance factor showed the lowest score, whereas that of diversity factor showed the highest score. The final Nutrition Quotient (NQ) score weighted on such five factors was 62.59 points. The average level of ADHD by Conners-Wells Adolescent Self-Report Scale (Short Form) [CASS(S)] was 17.02 points out of a total of 81 points. Six students (2.2%) who scored more than 41 points were classified as ADHD risk. By gender, male students (19.76 points) showed a higher CASS(S) score than female students (14.41 points) did. There was a significant negative correlation between NQ and CASS(S) score (r=-0.445, P<0.001). Multiple regression determined the effects of moderation ($Exp({\beta})=-0.193$, P<0.01) and practice ($Exp({\beta})=-0.345$, P<0.001) on CASS(S) score. In conclusion, distinctive nutritional education is needed for students with a high level of ADHD to help their understanding considering their different levels of attention.

• 환경생물
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• 제34권4호
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• pp.281-291
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• 2016

Bloom of small centric diatom Stephanodiscus is quite occasional in winter season in temperate freshwater ecosystems. It often leads to degradation of water quality and affects the quality of supplied drinking water. In a previous study, we have found that naphthoquinone (NQ) 4-6 derivate is an effective tool for efficient mitigation of natural S. hantzschii blooms. In the present research, polylactide (PLA) and agar foam were used as immobilized agent for NQ 4-6 to improve the efficiency of NQ 4-6 compound releasing process for its application under various field conditions. Mesocosm experiments at 10 ton scale suggested that the abundance of S. hantzschii was continuously increased in the control and upon treatment of the mesocosm with immobilized NQ 4-6 from PLA and agar foam. Their algicidal activities were 78.8% and 77.1%, respectively, on S. hantzschii after 10 days. In the mesocosm experiments, the dynamics of biotic (bacteria, HNFs, ciliates, zooplankton) and abiotic (water temperature, dissolved oxygen, pH, conductivity, nutrients) factors remained unaffected. They exhibited similar trends in the control and treatment groups. Therefore, the immobilized NQ 4-6 from PLA and agar foam has potential to be used as an alternative algicidal substance to effectively mitigate natural S. hantzschii blooms under various field conditions. In addition, it not only can be used to control S. hantzschii, but also is an effective technique. The immobilized NQ 4-6 showed stable controlled release in desired system.

• 한국식품조리과학회지
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• 제32권1호
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• pp.84-95
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• 2016

This study investigated the food behavior and nutritional status of children using the Nutrition Quotient (NQ). The subjects for this study were 974 students and their parents who lived in Seocho-gu, Gwanak-gu, and Dongjak-gu, Seoul. The average NQ score of the subjects was 68.3, which was a medium grade. The mean scores for balance and moderation were above the thresholds, whereas the mean scores for diversity, regularity, and practice did not reach the thresholds. According to the results of evaluation by NQ, the subjects may have insufficient intake of calcium, iron, potassium, zinc, vitamin A, and vitamin C. NQ and NQ factors were different according to the general characteristics and home background characteristics of the subjects. The mean scores for the moderation factor was significantly lower as the eating out frequency increased (p<0.001). The mean scores for balance, moderation, and regularity factors were significantly higher, with higher parents educational level. It is necessary to choose diverse side dishes, vegetables and also foods with balanced nutrition when eating out.

• Journal of Microbiology and Biotechnology
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• 제17권9호
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• pp.1538-1545
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• 2007

Clavulanic acid (CA) is an inhibitor of ${\beta}$-lactamase that is produced from Streptomyces clavuligerus NRRL3585 and is used in combination with other antibiotics in clinical treatments. In order to increase the production of CA, the replicative and integrative expressions of ccaR (encoding for a specific regulator of the CA biosynthetic operon) and cas2 (encoding for the rate-limiting enzyme in the CA biosynthetic pathway) were applied. Six recombinant plasmids were designed for this study. The pIBRHL1, pIBRHL3, and pIBRHL13 were constructed for overexpression, whereas pNQ3, pNQ2, and pNQ1 were constructed for chromosomal integration with ccaR, cas2, and ccaR-cas2, respectively. All of these plasmids were transformed into S. clavuligerus NRRL3585. CA production in transformants resulted in a significantly enhanced amount greater than that of the wild type, a 2.25-fold increase with pIBRHLl, a 9.28-fold increase with pNQ3, a 5.06-fold increase with pIBRHL3, a 2.93-fold increase with pNQ2 integration, a 5.79-fold increase with pIBRHLl3, and a 23.8-fold increase with pNQ1. The integrative pNQl strain has been successfully applied to enhance production.

• Journal of Nutrition and Health
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• 제46권5호
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• pp.427-439
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• 2013

The aim of this study was to determine whether Nutrition Quotient (NQ) for children, which has been developed from data on urban children, can be applied to children in rural areas. A total of 200 children (108 boys and 92 girls) in fifth and sixth grade at three elementary schools in rural areas of Gyeongbuk participated in the survey conducted during June 2012. Questionnaires consisted of items on food intake frequency and dietary behavior. Food intake data were obtained using the 24-hour recall method, and nutrient intake was calculated using the CAN-Pro 4.0 Program. Percentages of children who took less than the estimated average requirement were 76.5%, 49.5%, 45.5%, 33.5%, and 26.0% for calcium, vitamin C, iron, vitamin A, and folate, respectively. Significant associations were observed between intake frequencies of vegetables, kimchi, and fruits, and intake of vitamin C, folate, and dietary fiber. White milk and legumes showed positive correlation with intake of calcium and vitamin A. Eating breakfast, meal regularity, and diverse side dishes showed positive correlation with intake of folate and calcium. The 19 food checklist items could be categorized according to five factors. The mean NQ score of the subjects was 62.0, which was similar to that of urban children, 64.4. NQ score and factor scores for balance, regularity, and practice were significantly lower in children with lower socioeconomic level as compared to those with higher socioeconomic level. Higher NQ score showed an association with increased intake of vitamin B2, folate, vitamin C, and calcium. In conclusion, NQ offers a valuable instrument for evaluation of food habit and dietary quality of rural children as well as urban children, and children with low socioeconomic status should be monitored by testing with NQ checklist before implementation of nutrition programs.

• 사상체질의학회지
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• 제32권4호
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• pp.86-95
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• 2020

Objectives Meal and nutrition are important lifestyle factors that affect maintenance and promotion of health status and are also associated with chronic diseases. In Sasang constitutional medicine, dietary behavior according to the characteristics of Sasang constitution (SC) types is a key component in health management. The aim of this study was to evaluate the nutritional status and quality of meals according to the SC. Methods This was a cross-sectional study of 1,947 subjects surveyed in a community-based cohort called the Korean Medicine Daejeon Citizen Cohort study. Data were collected including demographic characteristics, Korea Sasang Constitutional Diagnostic Questionnaire, and nutrition quotient (NQ) for adults. We analyzed the differences in NQ grade and scores among three SC types: Taeeumin (TE), Soeumin (SE), and Soyangin (SY), by conducting chi-square and ANCOVA tests. Results The distribution of SC into TE, SE, and SY types was 43.1%, 25.2%, and 31.8%, respectively. The mean NQ score of all subjects was 53.4±8.6. There was a significant difference in the distribution of NQ grades and mean of NQ scores among SC types, including total and four sub-factors: balance, diversity, moderation, and dietary behavior. The TE type had the lowest score for the moderation factors in the crude model. The SE type showed lower NQ scores than the TE and SY types in all domains except moderation after adjusting for variables. Conclusions We found that dietary behaviors had to be distinct according to the SC types. These results elucidate why it is important to develop a customized dietary habit management program considering the SC types.

• Nutrition Research and Practice
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• 제15권2호
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• pp.248-265
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• 2021

BACKGROUND/OBJECTIVES: This study aimed to assess the dietary behaviors of preschool children using the nutrition quotient for preschoolers (NQ-P) and analyzed the difference in the scores of the children's dietary behaviors in regards to the parents' health consciousness. SUBJECTS/METHODS: The subjects were 257 children aged 3-5 years and their parents residing in Seoul and Gyeonggi-do, South Korea. The questionnaire is composed of demographic characteristics, the NQ-P questions, and health consciousness. All data were statistically analyzed by SPSS program (ver. 25.0) and the statistical differences in variables were evaluated by χ2 test, Fisher's exact test, t-test, 1-way analysis of variance and Tukey's multiple comparison test. RESULTS: There was a significant difference on the intake frequency of processed meat by region and fast foods by age, region, and weight status (P < 0.05). There was also a significant difference in not moving around while eating by weight status and parents' effort to have healthy eating habits by sex (P < 0.05). The mean score of NQ-P of the total subjects was 59.47, which was within the medium-low grade. The mean score of balance was 61.62, and the boys were significantly higher than girls (P < 0.05). As the age of children increased, the mean score of the moderation was significantly decreased (P < 0.05). The scores of NQ-P (P < 0.05), balance (P < 0.01), and environment (P < 0.05) were significantly higher in the high group of parents' health consciousness than the low group. CONCLUSIONS: According to the results of the evaluation by NQ-P, the dietary behaviors of preschoolers residing in Seoul and Gyeonggi-do need to be improved. For improving their eating behavior and nutritional health status, parents and children need customized nutrition education programs based on sex, age, region and weight status of preschool children as well as the degree of parents' health consciousness.