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Assessment of Social Transmission of Food Preferences Behaviors
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Measuring sustainable consumer food purchasing and behavior.

Samuel S Polzin1, Jayson L Lusk2, Ahmad Zia Wahdat2

  • 1Center for Food Demand Analysis and Sustainability, Purdue University, 403 W. State Street, West Lafayette, IN, 47907, USA.

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Summary

Consumers

Keywords:
Consumer behaviorFactor analysisFood choiceFood systemSustainable healthy diet

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Area of Science:

  • Food systems sustainability
  • Consumer behavior analysis
  • Dietary patterns research

Background:

  • Consumer food purchasing significantly impacts food system sustainability.
  • Existing research defines sustainable food systems and consumer preferences separately.
  • Understanding consumer adoption of sustainable healthy diets (SHD) is crucial.

Purpose of the Study:

  • To track US adults' SHD behaviors using longitudinal data.
  • To map consumer behaviors onto systems-level sustainability indicators.
  • To determine if consumer sustainability perceptions align with expert-defined principles.

Main Methods:

  • Defined 18 food purchasing behaviors aligned with scientific sustainability goals.
  • Utilized factor analysis to identify underlying drivers of these behaviors.
  • Developed SHD scores to analyze correlations with consumer characteristics.

Main Results:

  • Factor analysis revealed three core sustainability dimensions: Economic Security, Socio-Environment, and Nutrition.
  • Consumers showed higher adoption of Economic Security behaviors compared to Socio-Environment and Nutrition.
  • Socio-economic and demographic factors influenced all three sustainability dimensions.

Conclusions:

  • Consumer food purchasing aligns with three key sustainability dimensions, fewer than often proposed by researchers.
  • Economic factors appear to be a primary driver for sustainable food choices.
  • Demographic and socio-economic factors play a significant role in shaping SHD behaviors.