Cited by 513Consumer Attitudes and Food LabelingConsumer Market Behavior and PricingNutrition, Health and Food Behavior

Pricing and promotion effects on low-fat vending snack purchases: the CHIPS Study

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Simone A. French, Robert W. Jeffery, Mary T. Story, KYLE K BREITLOW, J S Baxter, Peter J. Hannan, M P Snyder·2001·American Journal of Public Health

Abstract

OBJECTIVES: This study examined the effects of pricing and promotion strategies on purchases of low-fat snacks from vending machines. METHODS: Low-fat snacks were added to 55 vending machines in a convenience sample of 12 secondary schools and 12 worksites. Four pricing levels (equal price, 10% reduction, 25% reduction, 50% reduction) and 3 promotional conditions (none, low-fat label, low-fat label plus promotional sign) were crossed in a Latin square design. Sales of low-fat vending snacks were measured continuously for the 12-month intervention. RESULTS: Price reductions of 10%, 25%, and 50% on low-fat snacks were associated with significant increases in low-fat snack sales; percentages of low-fat snack sales increased by 9%, 39%, and 93%, respectively. Promotional signage was independently but weakly associated with increases in low-fat snack sales. Average profits per machine were not affected by the vending interventions. CONCLUSIONS: Reducing relative prices on low-fat snacks was effective in promoting lower-fat snack purchases from vending machines in both adult and adolescent populations.

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  1. Centers for Disease Control and Prevention. Daily dietary fat and total food-energy intakes- Third National Health and Nutrition Examina- tion Survey, Phase I, 1988-91. MMWR Morb Mortal Wkly Rep. 1994;43:116-117, 123-125.
  2. Harnack L, Jeffery RW, Boutelle KN. Temporal trends in energy intake in the US: an ecological perspective. Am J Clin Nutr. 2000;71:478-484.
  3. Putnam J, Gerrior S. Trends in the US food sup- ply, 1970-97. In: America's Eating Habits: Changes and Consequences. Washington, DC: US Dept of Agriculture, Economic Research Service; 1999:133-160. Agriculture informa- tion bulletin 750.
  4. National Research Council. Diet and Health: Implications for Reducing Chronic Disease Risk. Washington, DC: National Academy Press; 1989.
  5. Truswell AS, Darnton-Hill I. Food habits of ado- lescents. Nutr Rev. 1981;39:73-88.
  6. Tippett KS, Cleveland LE. How current diets stack up: comparison with dietary guidelines. In: America's Eating Habits: Changes and Con- sequences. Washington, DC: US Dept of Agri- culture, Economic Research Service; 1999: 51-70. Agriculture information bulletin 750.

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Authors
French, S. A., Jeffery, R. W., Story, M. T., BREITLOW, K. K., Baxter, J. S., Hannan, P. J., & Snyder, M. P.
Affiliations
University of Minnesota (US)
Venue
American Journal of Public Health
Published
2001-01-01
Volume
91
Issue
1
Pages
112-117
ISSN
  • 0090-0036 (ISSN-L)
  • 1541-0048
OpenAlex
W1548823472
Cited by
512
References
24
Citations by year
2026: 6 · 2025: 5 · 2024: 8 · 2023: 5 · 2022: 5 · 2021: 13 · 2020: 9 · 2019: 13 · 2018: 22 · 2017: 20 · 2016: 22 · 2015: 31 · 2014: 35 · 2013: 27 · 2012: 30
FWCI
17.05
Type
journal article
Language
en
Open access
Locations
  • American Journal of Public Health (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01hl056577-03)
  • National Heart, Lung, and Blood Institute (R01 HL56577)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Consumer Attitudes and Food Labeling
  • Social Sciences › Business, Management and Accounting › Marketing › Consumer Market Behavior and Pricing
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
Keywords
vending machines, low-fat snacks, pricing, discounts, food promotion, advertising signs, school vending, adolescent nutrition, food environment interventions
MeSH terms
Adolescent, Adult, Advertising, Analysis of Variance, Cost-Benefit Analysis, Dietary Fats, Food Dispensers, Automatic, Food Preferences, Humans, Minnesota, Students, Occupational Health, Adolescent Nutritional Physiological Phenomena

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