Kye, Seung-He
(Department of Nutrition and Exercise Sciences, Oregon State University)
,
Suh, Hee-Jae
(Department of Food and Nutrition, Sookmyung Women's University)
,
Kim, Bok-Hee
(Department of Food Science and Nutrtion, Chosun University)
This study was performed to evaluate effects of dietary variety scores (DVS) and dietary diversity scores (DDS) on the nutritional quality of the diets of Korean college students, and to examine the association between food group intake patterns and nutritional adequacy. This study examined the rela...
This study was performed to evaluate effects of dietary variety scores (DVS) and dietary diversity scores (DDS) on the nutritional quality of the diets of Korean college students, and to examine the association between food group intake patterns and nutritional adequacy. This study examined the relationship of dietary diversity scores (DDS), dietary variety scores (DVS), and food group intake patterns with nutrient intakes using 24-hour recall data (n=.358). The .DDS was calculated from the sum of each of the five food groups consumed as a score of 'I'. DVS was determined by counting the number of food items consumed daily. Food group intake patterns were expressed with the presence or omission of five major food groups-dairy, meat, grain, fruit, and vegetable. The four most prevalent food group patterns and the proportion of the population reporting them were as follows; no dairy and fruit, $23\%;\;no\;dairy,\;20\%;$ no dairy, meat, and fruit, $15\%$; all food groups, $14\%$. Even though the DDS or DVS was higher, the majority of this study population failed to meet the Korean RDA for calcium in both genders and iron in women. Higher DVS scores $(\geq31)$, within all DDS groups, were associated with the largest proportion of individuals consuming more than $75\%$ of the Korean RDA for selected nutrients. The consistency of these results indicates that screening diets to evaluate the overall dietary variety and variety among the major food groups including food group intake patterns provide meaningful information about their quality.
This study was performed to evaluate effects of dietary variety scores (DVS) and dietary diversity scores (DDS) on the nutritional quality of the diets of Korean college students, and to examine the association between food group intake patterns and nutritional adequacy. This study examined the relationship of dietary diversity scores (DDS), dietary variety scores (DVS), and food group intake patterns with nutrient intakes using 24-hour recall data (n=.358). The .DDS was calculated from the sum of each of the five food groups consumed as a score of 'I'. DVS was determined by counting the number of food items consumed daily. Food group intake patterns were expressed with the presence or omission of five major food groups-dairy, meat, grain, fruit, and vegetable. The four most prevalent food group patterns and the proportion of the population reporting them were as follows; no dairy and fruit, $23\%;\;no\;dairy,\;20\%;$ no dairy, meat, and fruit, $15\%$; all food groups, $14\%$. Even though the DDS or DVS was higher, the majority of this study population failed to meet the Korean RDA for calcium in both genders and iron in women. Higher DVS scores $(\geq31)$, within all DDS groups, were associated with the largest proportion of individuals consuming more than $75\%$ of the Korean RDA for selected nutrients. The consistency of these results indicates that screening diets to evaluate the overall dietary variety and variety among the major food groups including food group intake patterns provide meaningful information about their quality.
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문제 정의
Despite the dietary guideline for Koreans to eat a variety of foods, there is relatively little known about how food variety affects the dietary quality of Korean young adults (10, 17). This study was performed to evaluate effects of the DVS and DDS on dietary quality of Korean college students and to examine the association between food group intake patterns and nutrition adequacy.
제안 방법
This is sound guidance since dietary variety for the young adults in this study was related to nutrient adequacy. Some caution must be taken in interpreting these findings because the dietary score was assessed from a single 24-hour recall. The method for describing the dietary pattern including DDS has some limitations in the amounts of each food group eaten (above the minimum).
대상 데이터
Subjects were 144 male and 214 female college students aged 19 years or older who were enrolled in in troductory nutrition courses at two universities located in Seoul and Ansung cities, Korea from March 1 to June 30, 2003. Subject characteristics, age, height, weight, and dietary intake data were obtained by a personal interview.
데이터처리
, Cary, NC). ANOVA and Duncan's multiple range tests were used to check differences of nutrient intake by DDS or DVS. Spearman correlation coefficients were calculated to identify relationships among DVS, DDS, and nutrient intake.
Spearman correlation coefficients were calculated to identify relationships among DVS, DDS, and nutrient intake. Differences between means of DVS by DDS were compared by ANOVA and Duncan's multiple range tests.
ANOVA and Duncan's multiple range tests were used to check differences of nutrient intake by DDS or DVS. Spearman correlation coefficients were calculated to identify relationships among DVS, DDS, and nutrient intake. Differences between means of DVS by DDS were compared by ANOVA and Duncan's multiple range tests.
성능/효과
Omission of the dairy group in diets was reported by 68% of total subjects. Consumption of foods from all five food groups (DMGFV=11111) was reported by only 8% of males and 18% of females.
(10) suggested that a daily intake of 24~32 (or 28) of DVS using a single 24-hour recall from a sample of 287 Koreans (20 — 49 years) was recommendable for an optimal nutriture of all nutrients, if the variety of food groups and sufficient intakes of vitamin A and calcium were emphasized together. In this study, even though the DVS level was higher (26~30, >31), a larger portion of the subject with a DDS 4 or less failed to meet at least 75% of Korean RDA for calcium, iron, vitamin A, and riboflavin.
If food intake is limited, choices should be varied. In this study, even though the high dietary scores of DDS 5 and DVS >31, some of the proportions failed to meet more than 75% of Korean RDA. From this result, further evaluation of the relationship between diet variety and serving size for nutrient adequacy is warranted.
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