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Association with Temperature Variability and Physical Activity, Sedentary Behavior, and Sleep in a Free-Living
Jeong-Hui Park1, Youngwon Kim2, Gregory J Welk3
1Department of Physical Education, Kyung Hee University (Global Campus), 1732 Deokyoungdaero, Giheung-gu, Yongin-si 17014, Gyeonggi-do, Korea.
International Journal of Environmental Research and Public Health
|December 24, 2021
Summary
Temperature significantly impacts adult sedentary behavior and sleep, with older adults more affected. Physical activity levels varied, with more activity in cold weather, not hot.
Area of Science:
- Environmental health
- Human physiology
- Behavioral science
Background:
- Understanding how environmental factors like temperature influence daily behaviors is crucial for public health.
- Previous research has yielded mixed results on the relationship between weather and physical activity.
- Sedentary behavior and sleep patterns are also key components of overall health influenced by external conditions.
Purpose of the Study:
- To investigate the impact of ambient temperature on physical activity (PA), sedentary behavior (SB), and sleep in a diverse adult population.
- To determine if age and gender moderate the relationship between temperature and these daily behaviors.
- To provide data for more accurate interpretation of PA and SB in research and surveillance.
Main Methods:
- Utilized data from 1235 adults (ages 21-70) in Iowa, USA, who wore a SenseWear Mini Armband (SWA) for one day.
- Classified ambient temperature into five categories using Koppen's weather climate classification: cold, cool, mild, warm, and hot.
- Employed three-way ANOVA to analyze the main effects of age, gender, and temperature on PA, SB, and sleep.
Main Results:
- Significant differences in sedentary behavior and sleep were observed, with older adults exhibiting higher levels than younger adults (p < 0.05).
- Moderate to vigorous physical activity (MVPA) did not show a significant systematic variation with age or gender.
- Contrary to hypotheses, the main effect of weather was not significant for MVPA (p > 0.05), though participants engaged in more PA during cold temperatures compared to hot.
Conclusions:
- Ambient temperature significantly influences sedentary behavior and sleep patterns in adults, with age being a key differentiating factor.
- While not statistically significant overall, physical activity levels showed a trend towards higher engagement in colder conditions and lower engagement in hotter conditions.
- These findings underscore the importance of considering temperature variations when interpreting physical activity and sedentary behavior data in research and public health surveillance.
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