Journal of Physical Activity and Health · 2011 · 155 citations · 12 references
An abbreviated schedule of SOPARC was sufficient for estimating park use, park user characteristics, and physical activity. Applying these observation methods can augment physical activity surveillance.
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Physical Activity in the United States Measured by Accelerometer
Richard P. Troiano, David Berrigan, Kevin W. Dodd et al. · Medicine & Science in Sports & Exercise · 2008 · 7.6K citations
Contribution of Public Parks to Physical Activity
Deborah A. Cohen, Thomas L. McKenzie, Amber Sehgal et al. · American Journal of Public Health · 2007 · 970 citations · Full text