Diet Quality Is Lower and Energy Intake Is Higher on Weekends Compared with Weekdays in Midlife Women: A 1-Year Cohort Study

Abstract Background Differences in energy and macronutrient intakes by weekday and weekend have been reported, but there are few data on differences in food group consumption and indices of diet quality. Objective The aim of this study was to describe dietary intake by day and on weekends compared w...

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Bibliographic Details
Published in:Journal of the Academy of Nutrition and Dietetics 2017-07, Vol.117 (7), p.1080-1086.e1
Main Authors: Jahns, Lisa, PhD, RD, Conrad, Zach, PhD, MPH, Johnson, LuAnn K., MS, Scheett, Angela J., MPH, RDN, Stote, Kim S., PhD, MPH, RDN, Raatz, Susan K., PhD, MPH, RD
Format: Article
Language:English
Subjects:
Adult
Alcohol Drinking
Body Mass Index
Cohort Studies
Diet
Diet quality
Diet Records
Dietary Fats - administration & dosage
Dietary intake
Energy Intake
Feeding Behavior
Female
Gastroenterology and Hepatology
Healthy Diet
Healthy Eating Index-2010 (HEI-2010)
Humans
Internal Medicine
Leisure Activities
Longitudinal Studies
Middle Aged
North Dakota
Time Factors
Weekend
Women
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Summary:Abstract Background Differences in energy and macronutrient intakes by weekday and weekend have been reported, but there are few data on differences in food group consumption and indices of diet quality. Objective The aim of this study was to describe dietary intake by day and on weekends compared with weekdays. Design This study utilized a longitudinal cohort design with self-reported dietary intake collected using the Automated Self-Administered 24-Hour Dietary Assessment Tool. Participants/setting Participants were ambulatory women with access to high-speed internet, body mass index between 18 and 35, and aged 40 to 60 years from the Life in All Seasons study (n=52) conducted in Grand Forks, ND, between July 2012 and July 2014. Each woman completed an Automated Self-Administered 24-Hour Dietary Assessment Tool diet recall every 10 days for 1 year. Main outcome measures Primary outcome measures were total and energy intake from macronutrients, food groups (per 1,000 kcal), and Healthy Eating Index-2010 (HEI-2010) scores from 1,866 24-hour recalls. Statistical analyses performed Effects of weekend on energy and macronutrient intake, energy-adjusted food groups, and HEI-2010 scores and component scores were tested using mixed linear models. Results Participants (n=52) completed 1,080 recalls on weekdays and 786 on weekends. Seventy-five percent of women reported consuming more energy on weekends than on weekdays, with a higher mean intake of 158 kcal on weekends ( P
ISSN:2212-2672
2212-2680
DOI:10.1016/j.jand.2017.01.012