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Purpose <p>Plate-clearing behavior (PCB), a maladaptive behavior in a food environment characterized by large, energy-dense portions of food, may contribute to weight gain over time. If a portion size is selected that causes overeating, a trade-off exists between food waste and weight gain due to PCB. However, patterns between PCBs and pre-meal portion planning to prevent overeating (PPP-O) remain overlooked. This study aimed to identify these patterns in various meal situations and describe the demographic, anthropometric, psychological, and lifestyle-related characteristics of those following each pattern.</p> Methods <p>Overall, 1,707 Japanese participants responded to a web-based anonymous questionnaire in February 2023. Cluster analysis was performed to identify patterns in PPP-O and PCB. Multiple logistic regression analysis was used on clusters of participant characteristic variables.</p> Results <p>The median age of the participants was 40 (25th and 75th percentile: 30, 50) years (female&#xa0;=&#xa0; 865, 50.7%). Four clusters with independent predictors were identified: low PPP-O and high PCB, moderate PPP-O and high PCB, moderate PPP-O and low PCB, and high PPP-O and low PCB. Low BMI and a higher positive attitude toward food waste were independent predictors in high PPP-O and low PCB, while high BMI was an independent predictor in moderate PPP-O and high PCBs and low attitude toward food waste were independent predictors in moderate PPP-O and low PCB. Psychological factors were described as independent predictors of several clusters.</p> Conclusion <p>The results support the possibility of a trade-off between food waste and weight gain if PPP-O is not implemented.</p>

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Are weight control and food waste a trade-off?: A clustering of pre-meal portion planning and plate-clearing behaviors among Japanese adult consumers

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月18日

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  • Yui Kawasaki,
  • Sayaka Nagao-Sato,
  • Misa Shimpo,
  • Rie Akamatsu

摘要

Purpose

Plate-clearing behavior (PCB), a maladaptive behavior in a food environment characterized by large, energy-dense portions of food, may contribute to weight gain over time. If a portion size is selected that causes overeating, a trade-off exists between food waste and weight gain due to PCB. However, patterns between PCBs and pre-meal portion planning to prevent overeating (PPP-O) remain overlooked. This study aimed to identify these patterns in various meal situations and describe the demographic, anthropometric, psychological, and lifestyle-related characteristics of those following each pattern.

Methods

Overall, 1,707 Japanese participants responded to a web-based anonymous questionnaire in February 2023. Cluster analysis was performed to identify patterns in PPP-O and PCB. Multiple logistic regression analysis was used on clusters of participant characteristic variables.

Results

The median age of the participants was 40 (25th and 75th percentile: 30, 50) years (female =  865, 50.7%). Four clusters with independent predictors were identified: low PPP-O and high PCB, moderate PPP-O and high PCB, moderate PPP-O and low PCB, and high PPP-O and low PCB. Low BMI and a higher positive attitude toward food waste were independent predictors in high PPP-O and low PCB, while high BMI was an independent predictor in moderate PPP-O and high PCBs and low attitude toward food waste were independent predictors in moderate PPP-O and low PCB. Psychological factors were described as independent predictors of several clusters.

Conclusion

The results support the possibility of a trade-off between food waste and weight gain if PPP-O is not implemented.