The feasibility and preliminary efficacy of early time-restricted eating on diet quality in college students: A randomized study

Selicia T. Mayra, Kelly Chondropoulos, Anateresa De Leon, Natalie Kravat, Carol S. Johnston

Research output: Contribution to journalArticlepeer-review

Abstract

Meal timing is an important consideration when assessing health. The primary outcome of this pilot study was to examine the feasibility and preliminary efficacy of early time-restricted eating (eTRE) on diet quality in a sample of college students attending a large southwestern university. Cardiometabolic indices and anthropometric measures were also obtained. The study was planned as an eight-week intervention; however, COVID-19 necessitated laboratory closures that disrupted data collection at week eight. Hence, only data obtained at week zero (baseline) and week four were viable for analysis and are presented herein. Twenty-five healthy participants were randomized to the intervention group (eTRE) which consisted of a daily 6-hour eating window or the control group (CON) which consisted of a daily 16-hour eating window. Each week, participants were permitted one day off from their respective study protocol. Seventeen participants completed all aspects of the study, and diet quality data were obtained from one additional participant (n = 18). Preliminary findings indicate that the 6-hour eTRE protocol may be beneficial for weight reduction and for reducing energy-dense foods typically consumed during the evening hours or later at night. Future research should accommodate individual preferences with regard to the initiation time of the eating window while also providing evidence-based nutrition recommendations to improve diet quality.

Original languageEnglish (US)
Pages (from-to)413-420
Number of pages8
JournalObesity Research and Clinical Practice
Volume16
Issue number5
DOIs
StatePublished - Sep 1 2022

Keywords

  • College students
  • Diet quality
  • Intermittent fasting
  • Time-restricted eating

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

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