Characterizing Early Adolescent Plate Waste Using the Mobile Food Record

Other literature type, Article English OPEN
Panizza, Chloe E. ; Boushey, Carol J. ; Delp, Edward J. ; Kerr, Deborah A. ; Lim, Eunjung ; Gandhi, Krupa ; Banna, Jinan C. (2017)
  • Publisher: MDPI
  • Journal: Nutrients, volume 9, issue 2 (issn: 2072-6643, eissn: 2072-6643)
  • Related identifiers: pmc: PMC5331524, doi: 10.3390/nu9020093
  • Subject: TX341-641 | compost | dietary assessment | early adolescents | eating behavior | mobile food record | food waste | Article | portion size | Nutrition. Foods and food supply | recycle | plate waste
    mesheuropmc: digestive, oral, and skin physiology

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.
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