Community-based interventions in prepared-food sources: a systematic review

Area of Science:

• Public Health Nutrition
• Health Promotion Strategies
• Community Interventions

Background:

• Prepared-food sources are a significant part of the American diet.
• Consumption is linked to increased chronic disease rates.
• Interventions aim to promote healthier choices in these settings.

Purpose of the Study:

• To systematically review interventions promoting healthful options in prepared-food sources within community settings.

Main Methods:

• Systematic review of 13 interventions from PubMed and Google Scholar (post-1990).
• Criteria included focus on prepared-food sources, impact evaluation, and documentation.
• Interviews with staff and data extraction in table format were used.

Main Results:

• Interventions primarily targeted urban, predominantly white populations across income levels.
• Social marketing theory was the common framework; most used nonexperimental designs.
• Signage and menu labeling were universal; some promoted healthier cooking, few introduced new options.
• Feasibility and sustainability were high, with increased purchasing of healthy options.
• Consumer measures showed improved awareness and purchase frequency.

Conclusions:

• Prepared-food source interventions show initial promise at the store level.
• Future research needs improved study designs and expanded strategies beyond signage.
• Assessing consumer impact requires further investigation.