The purposes of this study were to identify the attributes of food and service quality, to examine the levels of satisfaction and plate wastes leftover in school meals and to determine the relationship between student satisfaction and plate wastes. A questionnaire was administrated to 1000 elementary students. The respondents comprised of 505 boys and 494 girls. The satisfaction score with the food service quality was rated as 'average', with a score of 3.06 out of 5. The quality attributes of the food service were categorized into three aspects, which included food, service and hygiene. The satisfaction scores for the food- and hygiene-related factors were 3.20 and 3.24, respectively. However, the aspect of service was rated at 2.74, indicating a low level of satisfaction. The intake rates of soup, kimchi, fish and vegetables were lower than those of other types of foods. Two groups, a no-leftovers group and a leftovers group, were classified based on whether students ate all or left foods. The satisfaction scores for the school food service attributes between the two groups revealed that the no-leftovers group was more highly satisfied with the food service quality than the leftovers group (p<0.001).
Despite the universal recommendation to eat a variety of foods, we still do not know whether and to what extent the variety affects dietary quality. This study was performed to evaluate the dietary variety scores as tools for assessing the dietary quality of Korean young adults. The 1-day dietary intake data were collected from 144 male and 214 female college students (>18 years) using the 24-hour recall method Relative nutrient intake compared to Korean Recommended Dietary Allowance (KRDA) as the nutrient adequacy ratio (NAR), were computed Also, the mean adequacy ratio (MAR) was calculated. Dietary variety score (DVS) was determined by counting the number of food items consumed daily, and the dietary diversity score (DDS) by counting the number of food groups consumed daily. Results showed that DVS, DDS and MAR were significantly correlated to each other. The MAR score significantly increased as DDS increased in both men and women. When different DVS (20$\leqDVS\leq$ 30) was evaluated for its sensitivity, specificity, measured prevalence, true prevalence, and positive and negative predictive values towards MAR, DVS 21 was revealed to be optimal dietary variety score as a cutoff point to differentiate Korean young adults with or without an adequate and balanced diet. Nutrient intakes of subjects who had DVS<21 were significantly lower than those of subjects with DVS$\qeq$ 21. These results indicate that the dietary variety score appeared to be an effective tool for evaluating the adequacy of diet in Korean young adults.
Obesity and overweight pose a significant public health problem, as they are associated with an elevated risk of metabolic syndrome (MetS). Several studies have shown that diet quality is associated with the development of MetS risk factors. Analyzing dietary patterns may be more helpful in determining the relationship between eating habits and chronic diseases compared to focusing on single foods or nutrients. In this study, our objective was to evaluate the association of food quality score (FQS) with risk factors for MetS in individuals with obesity and overweight. The participants in this cross-sectional study were 340 adults with overweight and obesity. Participants' food intake was measured using a Food Frequency Questionnaire, then the FQS was calculated. A fasting blood sample assessed serum glucose, triglycerides, total cholesterol (TC), high-density lipoprotein cholesterol, and serum insulin levels. Fat-free mass, height, basal metabolic rate, socio-economic score, and waist-to-hip ratio significantly differed among FQS tertiles. TC, systolic and diastolic blood pressure, and fasting blood glucose were significantly lower in the highest tertile of FQS. After multivariable adjustment, our results showed that individuals in the third tertile of FQS had reduced risk of higher levels of TC (odds ratio [OR], 0.982; 95% confidence interval [CI], 0.970-0.984) and higher levels of low-density lipoprotein cholesterol (OR, 0.974; 95% CI, 0.974-0.999). Our findings demonstrate an inverse relationship between diet quality, as measured by FQS, and MetS risk factors. However, further experimental and longitudinal investigations are warranted to elucidate the causal nature of this association.
Journal of the Korean Society of Food Science and Nutrition
/
v.24
no.1
/
pp.10-18
/
1995
Nutrition knowledge of mothers who had middle-school studients was investigated using questionnaire about nutrition knowledge and food habit. The results were summerized as follows ; The mean score of nutrition knowledge was 25.3 (out of possible-80-80points), which score was slightly lower than those of other studies. the percentage of perceived knowledge and accuracy of the knowledge were 77.7% and 79.6%, respectively. these scores were influenced by general characteristics such as age, education, occupation, income, food expense. With decreasing age and increasing education level, family income, nutritional knowledge score, the percentage of perceived knowledge and accuracy were significantly getting higher. The levels of both perceived knowledge and accuracy on the necessi쇼 of vitamins and minerals were above 90%. However, the accuracy on protein quality and dietary fiber was below 40%. The better food habit a subject had, the higher was the nutrition knowledge score.
To assess the food intake and diet quality by the interrelationship of DDS and DVS of high school girls, this dietary survey was conducted with 253 subjects living in Iksan and Seoul areas using a 24-hour recall method. The average amount of total food intake was 1,133.2 g, with 79.9% of food intake being supplied by vegetable food and 20.1% by animal food and higher in Seoul area. The food consumed most frequently was rice, green onion, garlic, soy sauce, sesame oil, onion, and Kimchi. The food consumed in the largest amounts were rice(303.3 g), milk(62.2 g), and Kimchi(53.4 g). Diet quality was assessed by food group pattern, dietary diversity score(DDS), and dietary variety score(DVS). When investigating the consumption pattern of major five food groups(grain, meat, dairy, fruit, vegetable groups), nobody consumed all five food groups in each meal. The groups most frequently missing were fruits and dairy products. The average number of food consumed per day was 12.1(DVS) and Iksan area scored lower(11.7) on DVS than Seoul area(12.6). The higher DDS and DVS of subjects were, the more MAR and NAR of energy, calcium, vitamin A and C increased. The number of major food groups(DDS)(p<0.01, P<0.05) and that of food items (DVS)(p<0.01) correlated positively NAR(nutrient adequacy ratio) and MAR (mean adequacy ratio) significantly.
Park, Moon-Kyung;Yang, Il-Sun;Yi, Bo-Sook;Kim, Young-Shin
Journal of the Korean Dietetic Association
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v.16
no.2
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pp.83-99
/
2010
The purposes of this study were to analyze the quality attributes and customer satisfaction in school foodservice by distribution place and to suggest an improvement plan. The survey was distributed to different respondents (students, parents, and faculty) at different types of schools (elementary school, middle school, and high school) on September 2008 in 16 cities and provinces. The statistics were analyzed using descriptive analysis, t-test, and ANOVA by SPSS 12.0. All foodservice quality attributes were significant different by school type and the students in elementary schools had higher scores than students in middle and high school. A comparison of scores by school type and distribution place demonstrated that elementary schools had a higher score for quality attributes and in middle and high school dining halls had a higher score for quality attributes. The overall customer satisfaction with school foodservice was higher for dining halls than classrooms for all respondents (students, parents, and faculty). For students, the overall customer satisfaction score was 69.1 for schools using dining halls and 66.4 for schools using classrooms. The overall customer satisfaction for classrooms was higher in elementary school but, this score for middle and high school was higher for dining halls. Therefore, students prefer dining halls to classrooms. Especially, as the students grow, they have an increased preference for dining halls.
The purpose of this study was to investigate workers' perception on the quality improvement of Korean restaurants for the globalization of Korean food. A total of 342 workers at Korean restaurants in Seoul and Gyeonggi province were surveyed using a self-administrated questionnaire. Excluding responses with significant missing data, 250 responses were used for data analysis. In terms of the improvement of service quality attributes, the 'sanitation management (4.51)' category received the highest score, followed by 'service skill (3.93)', 'menu development (3.90)', 'serving method (3.88)', 'facility and ambiance (3.84)', and 'food taste (3.40)'. There were significant differences of workers' perception on the improvement of service quality which were 'menu development (p<0.01)', 'service skill (p<0.001)', 'facility and ambiance (p<0.001)', and 'sanitation management (p<0.01)' by restaurant operation type, and 'service skill (p<0.001)' and 'facility and ambiance (p<0.001)' by workers' position. The mean score of each service quality category showed that Korean restaurants managed by a franchisor were ranked the highest. In each service quality category, the items which showed the highest scores for the improvement were 'developing the finest cuisine (4.08)', 'providing food seasoning according to customer requests (3.70)', 'proving ladles, tongs, and extra plates which enable customers to take as much food as they want (4.12)', 'staff's ability to explain menu (4.08)', 'using tableware appropriate to each dish (4.03)', 'sanitary management of the provided tableware (dishes, spoons and knives) (4.57)', and 'thorough toilet management (4.57)'. This research suggests that Korean restaurants need to improve service quality to globalize Korean food, and the strategies for service quality management should be developed to be applied to each restaurant operation type.
This study aimed to find oils that can replace high-priced sesame oil. The quality of baked Yackwa containing different types of oils (rice bran, olive, or sesame oils) and amount of oils (30, 35, 40%) were investigated. The hardness of the baked Yackwa depended on the amount of oil, as more oil led to a softer texture of baked Yackwa. According to sensory evaluations, baked Yackwa with rice bran oil received the highest score in taste quality, with sesame oil receiving the second highest score. The flavor of baked Yackwa containing the rice bran oil was also better than other samples. In contrast, there were no significant differences in taste between other samples, including baked Yackwa containing all ingredients, 40% sesame oil, and 40% olive oil. The overall acceptance showed the highest score in baked Yackwa with rice bran oil (35%). In conclusion, rice bran oil (35%) is recommended as an oil ingredient for baked Yackwa.
This study was intended to investigate the relation between nutrient status and food diversity of elementary school students in Daegu-Kyungpook area. The subjects were 164 elementary school students (82 boys, 82 girls) who participated in "Dietary Intake Survey of Infants, Children and Adolescents" conducted by Korea Food & Drug Administration and Korea Health Industry Development Institute. We analyzed the nutritional status for two non-consecutive days by 24 hour recall method. Adequacy of dietary intake was evaluated by the proportion of subjects consuming nutrients less than Estimated Average Requirements (EAR). Food diversity was compared by using Dietary Diversity Score (DDS) and Dietary Variety Score (DVS). Nutrients intake was significantly higher in boys than girls. Subjects who consumed all food groups showed higher intake of energy and other nutrients. Boys maintained better diet quality than girls, measured by Dietary Diversity Score (DDS) as well as Dietary Variety Score (DVS). Based on these results, nutrition education for elementary school students should focus on the importance of consuming all food groups with more attention for girls.
The purpose of this study was to investigate dietary intake and to evaluate patient satisfaction toward the quality of hospital foodservice. Questionnaires were distributed to 203 hospitalized patients in 3 hospitals having 300 beds. The intake rates for served amounts of rice, side dishes, and soup were 72.5%, 68.2%, and 62.6%, respectively. The main reasons for left-overs were 'no appetite' (25.8%) and 'not salty enough' (19.9%). The rate of patients eating outside food was about 33.5%. The average score for quality satisfaction of meal characteristics was 3.34 ${\pm}$ 0.61, and the average score for quality satisfaction of sanitation and service characteristics was 3.58 ${\pm}$ 0.61. 'Seasoning' showed the lowest score and 'temperature' showed the highest score for quality satisfaction of meal characteristics. In the quality satisfaction of sanitation and services, 'explanation of meals' showed the lowest score and 'exactness of meal times' showed the highest score. The patients hospitalized for 10 days showed significantly lower average scores than those hospitalized over 60 days for quality satisfaction of meal characteristics. The patients with 'little appetite' and 'regular appetite' showed significantly lower average scores than those with 'much appetite' for the quality satisfaction of meal, sanitation, and service characteristics. The patients who 'rarely had leftovers' showed significantly higher average scores than those who 'always had leftovers' and 'often had leftovers' for quality satisfaction of meal characteristics. Meal characteristic scores were significantly correlated with age (r = 0.216), length of admission (r = 0.310), appetite (r = 0.251), leftovers (r = 0.233), and intake of soup (r = 0.205). Also, sanitation and service characteristics scores were significantly correlated with age (r = 0.327), education (r = -0.202), length of admission (r = 0.168), and appetite (r = 0.155). Thus, it would seem to be desirable that hospital foodservices improve the taste and seasoning of meals and provide appropriate nutrition education and counseling in mid-sized hospitals.
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