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Study Shows Calories for Some Restaurant Foods May Be Higher Than Posted Amount

July 19, 2011 -- Most posted calorie counts for restaurant foods are generally accurate, but there can be big discrepancies, especially at sit-down restaurants, according to a new analysis.

The study shows that overall the posted calorie counts for foods at 42 fast-food and sit-down restaurants were within 10 calories of their actual content. But 19% of foods contained 100 calories -- or more -- more than their posted calorie count.

In general, researchers found more discrepancies in calorie counts in foods served at sit-down restaurants than fast-food establishments.

The study is published in the Journal of the American Medical Association.

Biggest Calorie Count Offenders

The largest calorie count inaccuracies of foods that contained significantly more energy than stated were found among carbohydrate-rich side dishes, soups, salads, and desserts at sit-down restaurants.

"Although not typical, 1 side dish contained an excess of 1,000 kcal/portion than the stated energy amount of 450 kcal/portion, which is an amount that is nearly half the total daily energy requirement for most individuals," write researcher Lorien E. Urban, PhD, of Tufts University in Boston, and colleagues.

Unfortunately for people trying to count calories, the results also showed entrees at sit-down restaurants with a lower stated calorie count, like salads, which would be most appropriate for people trying to lose weight or prevent weight gain, often contained more calories than stated.

In contrast, some foods with higher stated calorie counts -- such as pizza, sandwiches, and meat -- often had fewer calories than stated.

Researchers say variation in portion size at sit-down restaurants may be responsible for much of this discrepancy in calorie counts of individual foods.

Comparing Calorie Counts

Researchers say foods purchased from restaurants account for about 35% of the daily calorie intake of Americans.

Experts say controlling and reducing energy or calorie intake by selecting foods lower in calories is a critical step in combating the obesity epidemic in the U.S.

In their study, the calorie counts of 269 foods items from seven fast food and seven sit-down restaurants across three states were measured via laboratory analysis and compared to their posted calorie counts published by the restaurants.

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