Korean Journal of Community Nutrition

Research Article

[Korean]
Evaluation of Nutritional Quality of Convenience Store Meal Boxes according to Store Company and Meal Price: Changgyu Cho, Youngmin Nam, Youngmin Nam, Hye-Jong Yoo, Hye-Jong Yoo; Korean J Community Nutr 2022;27(2):105-120. Published online April 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.2.105

Objectives
This study evaluated nutritional quality of convenience store meal boxes according to store company and meal price.
Methods
In May 2020, 71 meal boxes from five major convenience store companies were collected. Respective weights of all dishes and food ingredients included in each meal box were measured with a digital scale. Information on nutritional contents was collected from nutrition fact panels on packages. Food group patterns, dietary diversity scores (DDS), and dietary variety scores (DVS) were analyzed. Nutritional contents, i.e., amounts of energy, protein, and sodium, and percentages of energy from carbohydrate, sugar, fat, and saturated fat were compared with respective standards based on the 2020 Dietary Reference Intakes for Koreans. Comparison was made among five companies (Company A, B, C, D, E) and three price groups ( ≤4,200 won, ≥4,300 and ≤4,500 won, ≥4,600 won). Multiple regression analyses were conducted to examine the difference of nutritional contents according to company and price, respectively while holding the other variable constant.
Results
DDS, but not DVS, significantly differed among companies. The percentages of meal boxes meeting the nutritional standards of sodium significantly differed among companies; the percentage was highest in companies B (75.0%) and C (73.3%). “Company” was associated with amount of energy, protein, and sodium, and percentage of energy from saturated fat. “Price” was associated with the amount of energy and percentage of energy from carbohydrate. The average number of satisfied standards was highest in companies B (5.0) and C (4.0). About two-thirds of the meal boxes provided less amount of energy than the standard; the percentage of such meal boxes was highest in meal boxes with price of 4,200 won or lower.
Conclusions
There were significant differences in the nutritional quality of meal boxes according to “company”. Meanwhile, higher-priced meal boxes did not necessarily ensure better nutritional quality.

Citations

Citations to this article as recorded by

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Original Article

[English]
A Study of the Dietary Habits, the Nutritional Knowledge and the Consumption Patterns of Convenience Foods of University Students in the Gwangju Area: Kyung Hee Kim; Korean J Community Nutr 2003;8(2):181-191. Published online April 30, 2003

Abstract PDF: The purpose of this study was to investigate the dietary habits, the nutritional knowledge and the consumption patterns of convenience foods of 618 university students located in the Gwangju area, from November twentieth to November thirtieth, 2002. The subjects included 301 males (48.7%) and 317 females (51.3%). This survey was conducted using a self-administered questionnaire. The percentage of students who were underweight, normal and overweight based on their body mass index (BMI) was 3.7, 88.0 and 8.3 for the males, and 29, 71 and 0 for the females, respectively. Most students (73.8%) skipped breakfast. This was because of lack of time (65.1%) of the cases. Self-reported eating habit problems were eating irregular meal (52.4%), overeating (21%), prejudiced meal (12.4%) and skipping meal (7.4%). The type of favorite snack was biscuit (31.9%) and cup Ramyon (31.9%). The rates of alcohol drinking in male and female students were 88.0% and 85.8% respectively, and the rates of smoking were 35.9% and 2.8% respectively. Males ate frequently cup Ramyon (2.08 +/- 2.95), fries (pork cutlet, fried potato)(1.91 +/- 2.58), Ramyon (1.81 +/- 3.00) and kimbab (1.70 +/- 3.17) more frequently, while females ate kimbab (2.25 +/- 3.26), cup Ramyon (1.89 +/- 2.09), fries (pork cutlet, fried potato)(1.77 +/- 2.67), Ramyon (1.46 +/- 1.1.95) and fish paste 1.45 +/- 2.22) more frequently. The nutritional knowledge score was higher in females than in males. The mean consumption patterns of convenience foods of students living in home were lower than that of students living in dormitory and boarding w/cooking. When the amount of pocket money available and the body mass index increased and the nutritional knowledge level was low, the mean consumption of convenience foods increased. The mean consumption of convenience foods correlated negatively with nutritional knowledge (p < 0.01). Therefore, nutritional education for university students is needed so as to improve their health and nutritional education program should be developed to meet the various needs of these students.

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