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Assessment of Social Transmission of Food Preferences Behaviors
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Quantifying consumer portion control practices. A cross-sectional study.

M Spence1, L Lähteenmäki2, V Stefan2

  • 1Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5AG, United Kingdom.

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PubMed
Summary
This summary is machine-generated.

Portion control practices are infrequently used but show preliminary validity. Higher general health interest and being female are linked to more frequent use, potentially reducing energy-dense food consumption.

Keywords:
Energy intakeFood portion controlFood portion sizePracticesScale

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Area of Science:

  • Nutrition Science
  • Behavioral Science

Background:

  • Portion control practices are crucial for energy intake regulation but their real-world usage remains under-quantified.
  • Understanding the factors influencing portion control adoption is key to developing effective dietary interventions.

Purpose of the Study:

  • To quantify the use of various portion control practices in the general population.
  • To investigate associations between portion control strategies, cognitive restraint, demographics, and general health interest (GHI).
  • To examine the predictive relationship between portion control practices and estimated consumption of energy-dense foods like pizza.

Main Methods:

  • A representative sample of 1012 consumers from the island of Ireland rated 22 portion control practices.
  • Factor analysis identified three main strategies: measurement, eating, and purchasing.
  • Regression analyses explored predictors of strategy use and their impact on pizza consumption estimates.

Main Results:

  • The eating-strategy scale was most frequently reported, while the measurement-strategy scale was least frequent.
  • General health interest (GHI) and female gender were significant predictors of more frequent portion control use.
  • Higher scores on eating and purchasing strategy scales were associated with lower estimated pizza portion sizes.

Conclusions:

  • Reported use of portion control practices is low, yet findings suggest preliminary validity.
  • GHI and gender influence portion control adoption, highlighting potential targets for public health initiatives.
  • Further research is needed to understand the long-term impact of portion control on food intake and weight management.