Research Article
The Impact of Physical Activity on Disability Incidence among Older Adults in Mexico and the United States
Table 1
Sample size for outcome at time 2 for persons with no ADL limitations at time 1.
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Notes: unweighted statistics; USA data included persons age 53 and older at time 2; Mexican data included persons 54 years and older at time 2; both samples include only community-dwelling persons with no ADL limitations at baseline. |