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The objective of the study was to evaluate nutritional balance for fast foods selected by middle and high school students using INQ (Index of Nutritional Quality). A thousan students that is 0.09% of the population (middle and high school students in Seoul) were surveyed from January 21 to February 10 in 1989. A total of 835 subjects excluding incomplete answer were analyzed. All statistical data analyses were conducted using the SPSS. Fifty kinds of fast foods were analyzed for nutrient values calculation. INQ and % of std. values of selected fast food combination were calculated, and % of std. were charted with each first letter of menu items by using GW-BASIC program. Satiety of fast foods was low in hamburger and pizza chain, high in noodle chain. 66.3% of the subjects ate fast foods snack, 29.2% for meals and 6% for beverages. Protein content of hamburger sold in Korea by American brand name was insufficient compared to the data published in the U.S. for the same brand's menu item. As a result of INQ evaluation, the desirable case of both 'nutritious' and 'fitness for a meal' was only appeared in selecting several menu items at once. A total of 59% of combined fast foods surveyed were revealed as 'nutritious'. Both 'nutritious' and 'fitness for a meal' was 10.4% and 'nutritious' was 48.6%, 'Unfitness for a meal' but 'nutritious' was 48.6% and 'undernutritious' was 37%. Thus a total of 85.6% was 'unfitness for a meal'. 'Undernutritious' but 'fitness for a meal' was 3.5%
