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. Author manuscript; available in PMC: 2009 Dec 30.
Published in final edited form as: J Am Geriatr Soc. 2008 Jan 5;56(3):436–443. doi: 10.1111/j.1532-5415.2007.01603.x

Figure 1.

Figure 1

Distribution of the disability subtypes and no disability over all of the 18-month intervals (N=2,503). The percentages do not add up to 100 because of rounding. Because disability at the start of an interval was an exclusion criterion, the disability subtypes represent incident cases. The unit of measurement was the 18-month interval.