This 16 question instrument assesses physical activity participation in three domains (activity at work, travel to and from places, and recreational activities) as well as sedentary behavior. It is commonly used as a surveillance measure of physical activity in diverse populations.
Construct Definition (and Source):
Any form of exercise or movement. Physical activity may include planned activity such as walking, running, basketball, or other sports. Physical activity may also include other daily activities such as household chores, yard work, walking the dog, etc. (NCI)
Armstrong, T., Bull, F. (2006). Development of the World Health Organization Global Physical Activity Questionnaire (GPAQ). J Public Health 14, 66–70. https://doi.org/10.1007/s10389-006-0024-x
Bull FC, Maslin TS, Armstrong T. (2009). Global physical activity questionnaire (GPAQ): nine country reliability and validity study. J Phys Act Health. 2009 Nov;6(6):790-804. doi: 10.1123/jpah.6.6.790. J Phys Act Health 10.1123/jpah.6.6.790
If you are interested in all the references for this measure, go to PubMed.