Modeling of eating style and its effect on intake

J.H.W. van den Boer, M. Mars

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract

Observational research has indicated that modeling of eating style might occur when eating in the presence of an eating companion. This experiment investigated the effect of bite frequency of a same-sex eating companion on bite frequency, meal size and meal duration. A total of 30 normal weight young adults (m/f¿=¿8/22, age: 21.2¿±¿1.9¿years, BMI: 21.2¿±¿1.6¿kg/m2) had three ad libitum meals together with a same-sex confederate (i.e. instructed eating companion). Confederates were instructed to eat at a slow (3¿bites/min), medium (5¿bites/min) or fast (7¿bites/min) bite frequency in randomized order. Eating style was assessed through video registration and weighing left-overs. It was found that the participants' bite frequency was similar during all three conditions, i.e. slow: 3.9¿±¿1.3, medium: 4.0¿±¿1.1, fast: 4.0¿±¿1.3¿bites/min (p¿=¿0.75), as was average bite size (11¿±¿2.6¿g). Time eaten of the participants was shorter in the medium (14.9¿±¿3.6¿min) and fast condition (14.4¿±¿3.7¿min) compared to the slow condition (16.8¿±¿4.8¿min) (post hoc in both cases p¿
Original languageEnglish
Pages (from-to)25-30
JournalAppetite
Volume86
DOIs
Publication statusPublished - 2015

Keywords

  • food-intake
  • social facilitation
  • behavior
  • humans
  • perception
  • duration
  • power
  • size

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