Samantha M R Kling1, Liane S Roe1, Kathleen L Keller2, Barbara J Rolls3. 1. Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, United States. 2. Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, United States; Department of Food Science, The Pennsylvania State University, University Park, PA, United States. 3. Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, United States. Electronic address: bjr4@psu.edu.
Abstract
BACKGROUND: Both portion size and energy density (ED) have substantial effects on intake; however, their combined effects on preschool children's intake have not been examined when multiple foods are varied at a meal. OBJECTIVE: We tested the effects on intake of varying the portion size and ED of lunches served to children in their usual eating environment. DESIGN: In a crossover design, lunch was served in 3 childcare centers once a week for 6weeks to 120 children aged 3-5y. Across the 6 meals, all items were served at 3 levels of portion size (100%, 150%, or 200%) and 2 levels of ED (100% or 142%). The lunch menu had either lower-ED or higher-ED versions of chicken, macaroni and cheese, vegetables, applesauce, ketchup, and milk. Children's ratings of the foods indicated that the lower-ED and higher-ED meals were similarly well liked. RESULTS: The total weight of food and milk consumed at meals was increased by serving larger portions (P<0.0001) but was unaffected by varying the ED (P=0.22). Meal energy intake, however, was independently affected by portion size and ED (both P<0.0001). Doubling the portions increased energy intake by 24% and increasing meal ED by 42% increased energy intake by 40%. These effects combined to increase intake by 175±12kcal or 79% at the higher-ED meal with the largest portions compared to the lower-ED meal with the smallest portions. The foods contributing the most to this increase were chicken, macaroni and cheese, and applesauce. The effects of meal portion size and ED on intake were not influenced by child age or body size, but were significantly affected by parental ratings of child eating behavior. CONCLUSION: Strategically moderating the portion size and ED of foods typically consumed by children could substantially reduce their energy intake without affecting acceptability.
RCT Entities:
BACKGROUND: Both portion size and energy density (ED) have substantial effects on intake; however, their combined effects on preschool children's intake have not been examined when multiple foods are varied at a meal. OBJECTIVE: We tested the effects on intake of varying the portion size and ED of lunches served to children in their usual eating environment. DESIGN: In a crossover design, lunch was served in 3 childcare centers once a week for 6weeks to 120 children aged 3-5y. Across the 6 meals, all items were served at 3 levels of portion size (100%, 150%, or 200%) and 2 levels of ED (100% or 142%). The lunch menu had either lower-ED or higher-ED versions of chicken, macaroni and cheese, vegetables, applesauce, ketchup, and milk. Children's ratings of the foods indicated that the lower-ED and higher-ED meals were similarly well liked. RESULTS: The total weight of food and milk consumed at meals was increased by serving larger portions (P<0.0001) but was unaffected by varying the ED (P=0.22). Meal energy intake, however, was independently affected by portion size and ED (both P<0.0001). Doubling the portions increased energy intake by 24% and increasing meal ED by 42% increased energy intake by 40%. These effects combined to increase intake by 175±12kcal or 79% at the higher-ED meal with the largest portions compared to the lower-ED meal with the smallest portions. The foods contributing the most to this increase were chicken, macaroni and cheese, and applesauce. The effects of meal portion size and ED on intake were not influenced by child age or body size, but were significantly affected by parental ratings of child eating behavior. CONCLUSION: Strategically moderating the portion size and ED of foods typically consumed by children could substantially reduce their energy intake without affecting acceptability.
Authors: Gabriel Torbahn; Ines Gellhaus; Benjamin Koch; Rüdiger von Kries; Viola Obermeier; Reinhard W Holl; Katharina Fink; Andreas van Egmond-Fröhlich Journal: Obes Facts Date: 2017-10-31 Impact factor: 3.942
Authors: Kathleen L Keller; Laural K English; S Nicole Fearnbach; Marlou Lasschuijt; Kaitlin Anderson; Maria Bermudez; Jennifer O Fisher; Barbara J Rolls; Stephen J Wilson Journal: Appetite Date: 2018-02-02 Impact factor: 3.868
Authors: Alissa D Smethers; Liane S Roe; Christine E Sanchez; Faris M Zuraikat; Kathleen L Keller; Barbara J Rolls Journal: Physiol Behav Date: 2019-03-01
Authors: Alissa D Smethers; Liane S Roe; Christine E Sanchez; Faris M Zuraikat; Kathleen L Keller; Samantha M R Kling; Barbara J Rolls Journal: Am J Clin Nutr Date: 2019-05-01 Impact factor: 7.045
Authors: Liane S Roe; Christine E Sanchez; Alissa D Smethers; Kathleen L Keller; Barbara J Rolls Journal: Am J Clin Nutr Date: 2022-01-11 Impact factor: 7.045
Authors: Rebecca K Hodder; Kate M O'Brien; Fiona G Stacey; Flora Tzelepis; Rebecca J Wyse; Kate M Bartlem; Rachel Sutherland; Erica L James; Courtney Barnes; Luke Wolfenden Journal: Cochrane Database Syst Rev Date: 2019-11-07