Volume 23, Number 3, 2001
Exercise and QOL
195
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the observed effects appear to be independent of improvements
in physical functioning at least as assessed by gait speed.
As a next research step, we recommend additional studies
with designs focused on identifying the type of older adults who
can be expected to achieve the greatest QOL benefits from vari-
ous exercise interventions. In addition, we also recommend that
future studies incorporate more sensitive measures of QOL in
their assessment batteries to ascertain intervention impacts
more precisely and that future analyses examine the effects of
adherence to the prescribed exercise regimens.
The FICSIT model of linking distinct clinical studies with a
coordinating center and a common database has facilitated the
successful implementation of preplanned meta-analyses that
have several methodological advantages. Thus, the FICSIT
model has provided the sample size benefits of a common effi-
cacy analysis while yielding site specific information about lo-
cally defined interventions. Both the FICSIT study design and
the data-analytic approach deserve careful consideration as a
potential model for future multicenter investigations.
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