Reducing Weight and Waistlines with Exercise Breaks at Work
Author Information
Author(s): Yancey Antronette K MD, MPH, Lara Agustin MD, Tapia-Conyer Roberto MD, MPH, MSc, DrSc, Kuri-Morales Pablo MD, MSc, SPH, Subirats Elena MPH, Flores Yvonne PhD, Mistry Ritesh PhD, McCarthy William J PhD
Primary Institution: Mexican Ministry of Health and UCLA Jonsson Comprehensive Cancer Center
Hypothesis
Integrating daily 10-minute exercise breaks into the workday will improve body composition among sedentary office workers.
Conclusion
The intervention led to significant reductions in body mass index and waist circumference among participants.
Supporting Evidence
- Body mass index decreased by 0.32 kg/m2 overall.
- Waist circumference decreased by 1.6 cm overall.
- The decrease in BMI was significant only for men.
- Diastolic blood pressure decreased significantly among women.
Takeaway
This study shows that taking short exercise breaks at work can help people lose weight and improve their health.
Methodology
An uncontrolled pretest–post-test study design was used to evaluate the effects of integrating daily 10-minute exercise breaks during paid work time.
Potential Biases
Selection bias may have occurred as healthier workers were more likely to participate.
Limitations
The study lacked a control group and did not track changes in job location or current physical activity levels.
Participant Demographics
Participants were primarily Mexican Ministry of Health office workers, with 62% being women and a mean age of 48.9 years.
Statistical Information
P-Value
P = .05 for BMI decrease; P = .0009 for waist circumference decrease.
Confidence Interval
95% CI for weight loss: 0.11 to 1.90; for waist circumference: 0.66 to 2.52.
Statistical Significance
p<0.05
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