Do physical activity, caloric intake, and sleep vary together day to day? exploration of intraindividual variability in 3 key health behaviors

Stephanie A. Hooker; Laura B. Oswald; Kathryn J. Reid; Kelly G. Baron

doi:10.1123/jpah.2019-0207

Do physical activity, caloric intake, and sleep vary together day to day? exploration of intraindividual variability in 3 key health behaviors

Stephanie A. Hooker, Laura B. Oswald, Kathryn J. Reid, Kelly G. Baron^*

^*Corresponding author for this work

Neurology

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Background: Little is known about how daily fluctuations in health behaviors relate to chronic disease risk. The goal of this study was to examine whether variability in physical activity, caloric intake, and sleep is related to body composition (body mass index and body fat percentage). Methods: Healthy adults (N = 103; 64% female) were monitored for 7 days to assess physical activity (SenseWear Armband), caloric intake (daily food diaries), and sleep duration and timing (Actiwatch Spectrum). Data were analyzed using correlations (between- and within-subjects correlations) and regression. Results: The results demonstrated that variabilities in physical activity, caloric intake, and sleep were unrelated. Caloric intake and sleep variability were unrelated to body composition. At greater levels of physical activity variability, any level of physical activity was protective for body composition. Conclusions: These results suggest that among healthy adults, variabilities in health behaviors may be independent of each other, and physical activity variability may bemore strongly related to body composition among those who are less active.

Original language	English (US)
Pages (from-to)	45-51
Number of pages	7
Journal	Journal of Physical Activity and Health
Volume	17
Issue number	1
DOIs	https://doi.org/10.1123/jpah.2019-0207
State	Published - 2020

Funding

The authors would like to acknowledge Leland Bardsley, Leah Hecht, David Clough, Lori Koch, Lisa Wolfe, MD, and Hrayr Attarian, MD, for their assistance with data collection and Phyllis Zee, MD, PhD for her mentorship on this project. This research was supported by a grant from the National Heart, Lung, and Blood Institute (NHLBI) (1K23HL109110-01) to K.G.B. L.B.O was supported by National Institutes of Health/National Cancer Institute training grant CA193193.

Keywords

Body fat
Body mass index
Healthy adults
Variation

ASJC Scopus subject areas

Public Health, Environmental and Occupational Health
Physical Therapy, Sports Therapy and Rehabilitation
Epidemiology
Orthopedics and Sports Medicine

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title = "Do physical activity, caloric intake, and sleep vary together day to day? exploration of intraindividual variability in 3 key health behaviors",

abstract = "Background: Little is known about how daily fluctuations in health behaviors relate to chronic disease risk. The goal of this study was to examine whether variability in physical activity, caloric intake, and sleep is related to body composition (body mass index and body fat percentage). Methods: Healthy adults (N = 103; 64\% female) were monitored for 7 days to assess physical activity (SenseWear Armband), caloric intake (daily food diaries), and sleep duration and timing (Actiwatch Spectrum). Data were analyzed using correlations (between- and within-subjects correlations) and regression. Results: The results demonstrated that variabilities in physical activity, caloric intake, and sleep were unrelated. Caloric intake and sleep variability were unrelated to body composition. At greater levels of physical activity variability, any level of physical activity was protective for body composition. Conclusions: These results suggest that among healthy adults, variabilities in health behaviors may be independent of each other, and physical activity variability may bemore strongly related to body composition among those who are less active.",

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AU - Oswald, Laura B.

AU - Reid, Kathryn J.

AU - Baron, Kelly G.

PY - 2020

Y1 - 2020

N2 - Background: Little is known about how daily fluctuations in health behaviors relate to chronic disease risk. The goal of this study was to examine whether variability in physical activity, caloric intake, and sleep is related to body composition (body mass index and body fat percentage). Methods: Healthy adults (N = 103; 64% female) were monitored for 7 days to assess physical activity (SenseWear Armband), caloric intake (daily food diaries), and sleep duration and timing (Actiwatch Spectrum). Data were analyzed using correlations (between- and within-subjects correlations) and regression. Results: The results demonstrated that variabilities in physical activity, caloric intake, and sleep were unrelated. Caloric intake and sleep variability were unrelated to body composition. At greater levels of physical activity variability, any level of physical activity was protective for body composition. Conclusions: These results suggest that among healthy adults, variabilities in health behaviors may be independent of each other, and physical activity variability may bemore strongly related to body composition among those who are less active.

AB - Background: Little is known about how daily fluctuations in health behaviors relate to chronic disease risk. The goal of this study was to examine whether variability in physical activity, caloric intake, and sleep is related to body composition (body mass index and body fat percentage). Methods: Healthy adults (N = 103; 64% female) were monitored for 7 days to assess physical activity (SenseWear Armband), caloric intake (daily food diaries), and sleep duration and timing (Actiwatch Spectrum). Data were analyzed using correlations (between- and within-subjects correlations) and regression. Results: The results demonstrated that variabilities in physical activity, caloric intake, and sleep were unrelated. Caloric intake and sleep variability were unrelated to body composition. At greater levels of physical activity variability, any level of physical activity was protective for body composition. Conclusions: These results suggest that among healthy adults, variabilities in health behaviors may be independent of each other, and physical activity variability may bemore strongly related to body composition among those who are less active.

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Do physical activity, caloric intake, and sleep vary together day to day? exploration of intraindividual variability in 3 key health behaviors

Abstract

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Keywords

ASJC Scopus subject areas

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