Download the full-sized PDF of Relationship between objective measures of physical activity and weather: A longitudinal studyDownload the full-sized PDF



Permanent link (DOI):


Export to: EndNote  |  Zotero  |  Mendeley


This file is in the following communities:

Agricultural, Food and Nutritional Science, Department of


This file is in the following collections:

Journal Articles (Agricultural, Food and Nutritional Science)

Relationship between objective measures of physical activity and weather: A longitudinal study Open Access


Author or creator
Chan, Catherine B.
Ryan, Daniel A. J.
Tudor-Locke, Catrine
Additional contributors
Correlation (Statistics)
Longitudinal Method
Relaxation (Health)
Physical Fitness
Type of item
Journal Article (Published)
Background The weather may be a barrier to physical activity but objective assessment of this hypothesis is lacking. Therefore we evaluated the effect of temperature, rain or snow, and wind speed on the daily physical activity of adults. Methods This report contains data from 25 males (BMI (mean ± SD): 28.7 ± 3.83 kg/m2) and 177 females (BMI: 29.2 ± 5.92 kg/m2) enrolled in an intervention to increase physical activity. Steps/day of the participants was measured by pedometer. Weather data were obtained from Environment Canada. A total of 8,125 observations were included in a mixed linear model analysis. Results Significant weather related variables (at the 5% level) impacting steps/day included: seasonal effects related to the interaction between weekday and month; mean temperature, total rainfall, interactions between gender, BMI and total snow, interactions between maximum wind speed and BMI, and the amount of snow on the ground. The estimated magnitudes for the various effects were modest, ranging from ~1% to ~20%. Thus for an average individual taking ~10,000 steps/day, weather-dependent changes in physical activity could reach 2,000 steps/day. Conclusion We conclude that weather had modest effects on physical activity of participants in an intervention to increase their activity. It should be stressed that these effects may be different for less or more motivated people. With this in mind, we suggest that the effect of weather on physical activity in the general population needs to be objectively assessed to better understand the barrier it poses, especially as it relates to outdoor recreation or work activities.
Date created
License information

Attribution 4.0 International
Citation for previous publication
Chan, C. B., Ryan, D. A. J., & Tudor-Locke, C. (2006). Relationship between objective measures of physical activity and weather: A longitudinal study. International Journal of Behavioral Nutrition and Physical Activity, 3(21), [9 pages].


Link to related item

File Details

Date Uploaded
Date Modified
Audit Status
Audits have not yet been run on this file.
File format: pdf (PDF/A)
Mime type: application/pdf
File size: 768619
Last modified: 2017:09:06 16:10:49-06:00
Filename: BMCIJBNPA_3_21.pdf
Original checksum: 4081487714953a5c382e61d68eb84fca
Activity of users you follow
User Activity Date