Volume 11 — September 04, 2014
ORIGINAL RESEARCH
Buying Food on Sale: A Mixed Methods Study With Shoppers at an Urban Supermarket, Philadelphia, Pennsylvania, 2010–2012
| Food Category | Mean Percentage of Weeks on Sale (95% Confidence Interval) |
|---|---|
| Low-calorie foods | 19.2 (15.4–25.1) |
| Fruit | 16.5 (12.7–20.7) |
| Vegetables | 21.4 (14.9–31.9) |
| Low-fat dairy | 19.0 (5.0–37.1) |
| High-calorie foods | 25.7 (21.6–30.4) |
| Sweet snacks | 15.3 (12.6–20.0) |
| Savory snacks | 32.0 (21.8–48.3) |
| Sugar-sweetened beverages | 35.0 (26.6–41.9) |
| Grain-based snacks | 22.5 (15.5–29.6) |
Figure. Mean percentage of weeks foods were on sale, by food category and aggregate food category, in an urban supermarket, Philadelphia, Pennsylvania, April through August 2010 and December 2010 through October 2012.
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