Figure 1.

A.) Absolute metabolic equivalent values separated into individuals who self-reported mobility impairment or no impairment performing mobility tasks. B.) Metabolic equivalents (MET) normalized for self-selected rapid and usual walking speed (meters per sec) and stair climbing speed (flight per minute). Values for 1B are predicted means and standard errors adjusted for body mass index, history of cardiovascular disease and current osteoarthritis. Mobility impairment defined as reporting of any difficulty walking ¼ mile, getting up from a chair, climbing a flight of stairs, or performing light housework. *p-value < 0.05, ^ p-value = 0.07.