Page 152 - Physical activity in recipients of solid organ transplantation - Edwin J. van Adrichem

Chapter 8
di

erent types of solid organs, these organs can be replaced by ‘organ transplantation’ in
general (Figure 2). Aspects that could be taken into account in the speci

cation of
programs are gender and age. Recipients being female and older tended to score higher on
the barrier ‘fear of negative e

ects’, and recipients being female and younger tended to
score higher on the motivator ‘group activities’. Younger recipients were also inclined to
score higher on the barrier ‘lack of motivation or time’.
Inextricably linked to the assessment of ful

ese aspects could be addressed in
the development of speci

c modules or to target a speci

c subgroup.
Figure 2.
Adjusted schematic representation of associated factors of physical activity in
recipients of solid organ transplantation.
Methodological considerations
Measuring the level of physical activity and exercise capacity
method of measuring the physical activity level that is performed.
performed.
150.

lling the physical activity guidelines is the
ree types of assessment methods of physical activity levels are commonly

e instrument should
provide information on the intensity, frequency, duration, type, and total amount of
activities that are executed. Adequate measurement is key to study the associations between
the level of physical activity and health outcomes in epidemiological studies and in the
formulation of recommendations on the appropriate level and type of physical activity to be

indicated: (1) criterion methods; (2) objective methods; and (3) subjective methods.
Examples of criterion methods are the use of doubly labeled water or indirect calorimetry.

ese criterion methods are the most reliable and valid methods but are expensive and
logistically challenging when performing studies with a large number of participants.
Objective assessment methods include activity monitors such as pedometers and
accelerometers as well as heart rate monitoring, however, just as with the criterion methods,