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Association between smartphone screen time and exaggerated blood pressure response during treadmill exercise testing:
1Department of Cardiology, Sincan Training and Research Hospital, Ankara, Turkey.
Blood Pressure
|July 16, 2025
Summary
High mobile phone screen time and low physical activity are linked to exaggerated hypertensive response to exercise (EHRE). These lifestyle factors are key targets for cardiovascular risk management.
Area of Science:
- Cardiology
- Exercise Physiology
- Digital Health
Background:
- Exaggerated hypertensive response to exercise (EHRE) is a potential cardiovascular risk factor.
- Lifestyle factors like physical activity and screen time may influence EHRE.
- Understanding these associations is crucial for preventive cardiology.
Purpose of the Study:
- To investigate the relationship between EHRE, mobile phone screen time, and daily physical activity.
- To identify lifestyle-related factors contributing to cardiovascular risk in individuals with EHRE.
- To explore the role of digital behavioral metrics in cardiovascular health.
Main Methods:
- An observational case-control study involving 85 participants (33 EHRE group, 52 control).
- EHRE was identified using a standardized treadmill exercise test.
- Objective data on daily mobile phone screen time and step counts were collected via smartphone tracking applications.
Main Results:
- Participants with EHRE showed significantly higher daily mobile phone screen time (6.1 vs. 4.7 h/day).
- EHRE group had greater weekly screen time in dim light and longer mobile phone usage duration.
- Individuals with EHRE exhibited significantly lower daily step counts (4120 vs. 6830 steps/day).
Conclusions:
- Increased mobile phone screen time and reduced physical activity are significantly associated with EHRE.
- These modifiable behavioral factors are relevant for cardiovascular risk.
- Findings support integrating digital behavioral metrics into cardiovascular risk management strategies.
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