Impact of Calorie Menu Labeling on Dietary Choices

Introduction to Caloric Menu Labeling

Recent research indicates that the implementation of calorie labeling on menu items may not effectively reduce caloric intake over the long term. This initiative was fully enacted in the United States in May 2018, aiming to promote awareness of caloric consumption as part of the broader effort to combat obesity. The rationale behind displaying calorie counts was to encourage individuals to become more mindful of their food choices by translating food descriptions into numerical values.

Unclear Effects on Food Choices

Since the introduction of calorie labeling, the actual impact on consumer food choices has remained ambiguous. Previous studies assessing these effects often involved small sample sizes and yielded inconclusive results. A significant challenge in understanding these behaviors stems from the complexity of quantifying eating habits.

Recent Study Findings

A recent study published in the British Medical Journal examined the influence of calorie menu labeling on dietary decisions in the southern United States. Researchers analyzed a comprehensive dataset of ordering information from 104 restaurants belonging to a large American food chain that incorporated calorie descriptions into its menus, take-out, and drive-through services. The investigation compared food ordering records from these establishments for two years prior to the introduction of calorie labeling and one additional year afterward.

Initial Reduction in Caloric Intake

The initial findings suggested that calorie menu labeling led to a reduction in caloric intake, with an average decrease of 60 calories per order noted. However, this reduction was not sustained. Over time, caloric intake began to rise again, returning to pre-labeling levels with each subsequent order. Notably, this trend was consistent across both low- and high-income areas.

Conclusions on Caloric Menu Labeling

The results of this study imply that calorie menu labeling may not be sufficient to effect lasting changes in food choices.

Written by Marina Chemerovski-Glikman, PhD. Reference: Petimar, J.; Zhang, F.; Cleveland LP.; Simon, D.; Gortmaker SL.; Polacsek, M.; Bleich, SN.; Rimm, RB.; Roberto, CA.; Block, JP. Estimating the effect of calorie menu labeling on calories purchased in a large restaurant franchise in the southern United States: quasi-experimental study. BMJ, 2019.

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