USDA Economic Research Service Briefing Room
" "  
Link: Bypass USDA Left navigation.
Search ERS

Browse by Subject
Diet, Health & Safety
Farm Economy
Farm Practices & Management
Food & Nutrition Assistance
Food Sector
Natural Resources & Environment
Policy Topics
Research & Productivity
Rural Economy
Trade and International Markets
Also Browse By


or

""

 


 
Briefing Rooms

Diet Quality and Food Consumption

Contents
 

Overview

ERS provides indepth economic analyses of the Nation’s food consumption trends, consumer reactions to changes in food prices and income, dietary patterns, and the relationship between food intake and nutritional/health outcomes such as obesity. Food and dietary choices are influenced not only by prices and income, but also by family structure, time constraints, psychological factors, nutritional information, and Federal food and nutrition assistance programs.

ERS has also developed data systems to study the determinants of food consumption trends and to inform policymakers and the public about these trends. ERS maintains and analyzes data representing three different “views” of the food consumption landscape:

More overview...

FeaturesImage of a woman examining nutrition labels for spices

The Decline in Consumer Use of Food Nutrition Labels, 1995-2006—This report examines changes in consumers’ use of nutrition labels on food packages between 1995-96 and 2005-06. Although a majority of consumers report using nutrition labels when buying food, use has declined for most label components, including the Nutrition Facts panel and information about calories, fats, cholesterol, and sodium. In contrast, use of fiber information has increased.

Is Dietary Knowledge Enough? Hunger, Stress, and Other Roadblocks to Healthy Eating—Poor diets and rising obesity rates among Americans persist despite increased public awareness of the benefits of a healthy lifestyle. This report presents a consumer demand model to illustrate how both long-term health objectives and immediate visceral influences—long intervals between meals, eating away from home, or time pressures—can drive individuals’ food choices. When individuals extend the interval between meals or consume more of their food away from home, they are significantly more likely to consume more calories and have lower diet quality.

The U.S. Grain Consumption Landscape: Who Eats Grain, in What Form, Where, and How Much?—This study compared Americans’ consumption of grains with the recommendations in the government’s 2005 Dietary Guidelines for Americans, using data from USDA’s Continuing Survey of Food Intakes by Individuals, 1994-96 and 1998. The analysis confirmed a national preference for refined grains—only 7 percent of survey respondents met the 2005 whole-grain recommendation. The results suggest that consumers who perceive grain consumption as important and read food labels during shopping tend to eat more whole grains than other people.Image of fresh fruit in a paper container designed for fast food french fries

Could Behavioral Economics Help Improve Diet Quality for Nutrition Assistance Program Participants?— Behavioral economics, food marketing, and psychology are used to identify possible options for improving the diets and health of participants in the Food Stamp Program, the Special Supplemental Nutrition Program for Women, Infants and Children, and the National School Lunch and School Breakfast Programs.

Recommended Readings

Image of various fruits and vegetables

U.S. Fruit and Vegetable Consumption—Increasing Americans’ consumption of fruits and vegetables has been a mainstay of Federal dietary guidance for more than a decade. Yet, U.S. consumption of healthful foods still does not meet dietary recommendations. To better understand the reasons behind this shortfall, ERS researchers examined economic and behavioral influences on fruit and vegetable choices. A series of research briefs highlight major findings and provide a list of ERS publications on U.S. fruit and vegetable consumption.

Image of an obese boy with his sister and brother

Economics, Obesity, and Policy Intervention—Americans are not only getting fatter, but doing so at younger ages. Behind American obesity is a complex story with genetic, physiologic, psychological, and economic subplots. These articles look at the economic plot line and examine the consequences of some proposed interventions to reduce obesity. While economics can not provide all the answers, examining the causes of the increase in obesity and the proposed interventions under an economist's lens may help to identify potential solutions to the obesity crisis.

Estimation of Food Demand and Nutrient Elasticities from Household Survey Data—ERS researchers developed a methodology for estimating a food demand system from household survey data and applied it to the 1987-88 Nationwide Food Consumption Survey data. The results are sets of estimated price and income elasticities for households of different income levels. The estimation results are useful in evaluating some food policy and program effects related to households of a specific income level.

See all recommended readings…

Recommended Data Products

Data on food consumption and nutrient intake—These tables display data on consumption of different food groups and nutrient intakes by age, gender, and eating locale.

Image of various commodities of foodFood Availability (Per Capita) Data System—ERS annually calculates the amount of food available for human consumption in the United States. National aggregate consumption of several hundred basic commodities is tracked in this historical series. It is the only continuous source of data on food and nutrient availability in the United States and provides data back to 1909 for many commodities. See also the related report, Dietary Assessment of Major Trends in U.S. Food Consumption, 1970-2005.

How Much Do Americans Pay for Fruits and Vegetables?—ERS calculated total pounds or pints purchased at retail, total dollars spent, average retail price, serving size, servings per pound or pint, and dollars per serving for each of 57 fruits and vegetables. Spreadsheets that contain all the report data show how the costs per serving figures were derived. Along with the statistics tabulated for each fruit and vegetable is a short description of the nutritional benefits of each fruit and vegetable and little known facts (or trivia). This report provides a good understanding of the costs of produce, the nutrient density of most fruits and vegetables, and their contributions to a healthful diet.

Recent Research Developments

Effect of Nutrition Labels on Dietary Outcomes—The 1994 Nutrition Labeling and Education Act (NLEA) mandated that most packaged foods display a Nutrition Facts panel to disclose information on nutrients such as calories, total and saturated fats, cholesterol, and sodium in a standardized format. By providing nutrition information in a credible, distinctive, and easy-to-read format, the new label was expected to help consumers choose healthier, more nutritious diets. ERS examined whether the disclosure of nutrition information through the mandatory labels impacted consumer diets, taking into consideration the confounding of the label effect with unobserved label user characteristics. To address this self-selection problem, ERS examined models that excluded away-from-home food (the NLEA exempts away-from-home foods from mandatory labeling) and found that label users had increased fiber and iron intakes, compared with label nonusers. In comparison, a model that does not account for self-selection implies significant label effects for all but 2 of the 13 nutrients that are listed on the label. (See Jay Variyam. June 2008. “Do Nutrition Labels Improve Dietary Outcomes?” Health Economics, 17: 695-708.) Contact Jay Variyam for a reprint.

Food and Agricultural Commodity Consumption in the United States: Looking Ahead to 2020—U.S. consumption of food commodities is projected to rise through the year 2020, mainly due to an increase in population. But the mix of commodities is expected to shift because of an older and more diverse population, rising income, higher educational attainment, improved diet and health knowledge, and the growing popularity of eating out. This study analyzes data from USDA’s food consumption survey to project the consumption of 25 food groups and 22 food commodity groups through 2020. Per capita consumption of fish, poultry, eggs, yogurt, fruits, nuts and seeds, lettuce, tomatoes, some other vegetables, grains, and vegetable oils is predicted to rise, whereas consumption of beef, pork, other meat, milk, cheese, potatoes, and sugar is expected to fall. Fruit consumption is expected to lead all commodities in growth in the at-home market, and fish consumption is expected to lead in growth in the away-from-home market.

Image of snacks: popcorn, pretzels, tortilla chips, peanuts, and potatoe chipsTaxing Snack Foods: What To Expect for Diet and Tax Revenues—Health policy advocates have proposed excise taxes on snack foods as a possible way to address the growing prevalence of obesity and overweight in the United States. Using household scanner data to examine the likely impacts of such a measure on consumption of salty snacks, the study finds that relatively low tax rates of 1 cent per pound and 1 percent of value would not appreciably alter consumption—and, thus, would have little effect on diet quality—but would generate $40-$100 million per year in tax revenues. A technical version of this study was published in the Review of Agricultural Economics. Contact Fred Kuchler for a reprint.

Related Briefing Rooms

Related Links

The Dietary Guidelines for Americans, 2005—These guidelines summarize the most current scientific evidence on diet and health into recommendations for healthy Americans age 2 and older and serve as the basis for Federal nutrition and education programs.

MyPyramid—The original Food Guide Pyramid has been replaced by MyPyramid. Since its release, MyPyramid has been widely used by nutrition and health professionals as well as educators and the media and has helped disseminate the Dietary Guidelines' recommendations.

HealthierUS.gov—A website that provides easy access to all online Federal Government information on nutrition, healthy eating, physical activity, and food safety.

Nutrition.gov—A website that provides easy access to all online Federal Government information on nutrition, healthy eating, physical activity, and food safety.  

The USDA Healthy Eating Index—A summary measure of overall diet quality. It measures the degree to which diets comply with specific recommendations in the The Dietary Guidelines for Americans and MyPyramid.

For more information, contact: Biing-Hwan Lin

Web administration: webadmin@ers.usda.gov

Updated date: September 25, 2008