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Association Between Physical Activity, Sedentary Behavior, and Dietary Supplement Use and Obesity Among Adults Using
Ju-Pil Choe1, Minsoo Kang1, Yunhee Chang2
1Health and Sport Analytics Laboratory, Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, University, MS, USA.
Journal of Physical Activity & Health
|October 19, 2025
Summary
Understanding combined lifestyle behaviors like physical activity (PA), sedentary behavior (SB), and dietary supplement (DS) use is key to managing obesity. Certain behavior patterns significantly influence obesity risk, suggesting tailored public health strategies.
Area of Science:
- Public Health
- Behavioral Science
- Obesity Research
Background:
- Obesity is a significant global health issue.
- Physical activity (PA), sedentary behavior (SB), and dietary supplement (DS) use are known obesity influencers.
- Combined effects of these behaviors on obesity are understudied.
Purpose of the Study:
- Identify distinct behavioral subgroups based on PA, SB, and DS use.
- Examine the association between these subgroups and obesity risk.
Main Methods:
- Latent class analysis of PA (occupational, recreational, transportation), SB, and DS use in US adults (2011-2018 NHANES).
- Exclusion of participants with cancer, diabetes, hypertension, or pregnancy.
- Obesity defined by percent body fat; confounders adjusted using propensity score weighting.
Main Results:
- Four behavioral classes identified: Occupational PA (OPA), SB/DS, OPA/recreational PA/DS, and SB.
- The OPA/recreational PA/DS group showed significantly lower obesity odds (OR=0.87) versus the SB group.
- The SB/DS group had reduced odds (OR=0.96), while the OPA group had higher odds (OR=1.04) compared to SB/DS.
Conclusions:
- Specific combinations of PA, SB, and DS use patterns are linked to varying obesity risks.
- Public health interventions should consider complex behavioral profiles for effective obesity management.
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