Adult Participation in Aerobic and Muscle-Strengthening Physical Activities - United States, 2011
For 2011, 20.6% of U.S. adults were classified as meeting both the aerobic and muscle-strengthening guidelines, including 23.4% of men and 17.9% of women.
Vital Signs: Walking Among Adults - United States, 2005 and 2010 (8/30/2012)
From 2005 to 2010, the proportion of U.S. adults who reported walking increased significantly by 6.3 percentage points, from 55.7% to 62.0%. Among men, the increase was 7.4 percentage points, from 54.3% to 61.7%, and among women the increase was 5.2 percentage points, from 57.2% to 62.4%. Among both sexes, the prevalence increase was significant in most subgroups.