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Nutrients 2017, 9(2), 93; doi:10.3390/nu9020093

Characterizing Early Adolescent Plate Waste Using the Mobile Food Record

University of Hawai’i at Manoa, Honolulu, HI 96822, USA
University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
Purdue University, West Lafayette, IN 47907-2035, USA
Curtin University, Kent Street, Bentley, Perth, WA 6102, Australia
University of Hawai’i John A. Burns School of Medicine, Honolulu, HI 96813, USA
Author to whom correspondence should be addressed.
Received: 30 November 2016 / Revised: 19 January 2017 / Accepted: 22 January 2017 / Published: 26 January 2017
(This article belongs to the Special Issue Technology Based Approaches to Dietary Intake Assessment)
View Full-Text   |   Download PDF [234 KB, uploaded 26 January 2017]


This study aimed to assess the amount of plate waste and how plate waste was disposed by early adolescent girls using a mobile food record (mFR). Participants were girls nine to thirteen years residing in O’ahu, Hawai’i (n = 93). Foods selected and leftover were estimated using a three day mFR. Each leftover food was then classified as thrown into the trash, fed to a pet, eaten later, or other (e.g., composted). Repeated measures analyses of variance (ANOVA) were conducted and Tukey’s post-hoc test were used to adjust for multiple comparisons between times (breakfast, lunch, dinner, and snack) on leftover food and leftover food thrown into the trash. The percentage of food leftover and thrown into the trash was highest at lunch. The percentage of protein, grain, vegetables, fruit, and dairy leftover at lunch were unexpectedly low compared to previous studies. The median for percentage of food thrown into the trash at lunch was <5% for all food groups, and was consistently low across the day (<10%). Average energy intake was 436 kcal (±216) at lunch, and 80% of caregivers reported total household income as ≥$70,000. Studies in real-time using technology over full days may better quantify plate waste among adolescents. View Full-Text
Keywords: early adolescents; mobile food record; food waste; plate waste; eating behavior; portion size; dietary assessment; compost; recycle early adolescents; mobile food record; food waste; plate waste; eating behavior; portion size; dietary assessment; compost; recycle
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Panizza, C.E.; Boushey, C.J.; Delp, E.J.; Kerr, D.A.; Lim, E.; Gandhi, K.; Banna, J.C. Characterizing Early Adolescent Plate Waste Using the Mobile Food Record. Nutrients 2017, 9, 93.

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