Subjects in this study were very sedentary, spending less than 1% of their waking time in MVPA. This is consistent with other studies of objectively measured PA in this population. People with COPD from the National Health and Nutrition Examination Survey spent a mean of 6 minutes/day in MVPA, 249 minutes/day in LPA, and 676 minutes/day sedentary, equaling 1%, 27%, and 72% of waking hours, respectively. Eliason et al observed a mean of 7.5 and 7.0 minutes/day of MVPA and a mean of 478 and 483 minutes/day of sedentary time for people with moderate and severe COPD, respectively.