A Comparison of Physical Activity Levels With and Without Feedback Via Fitbit® Flex™ in Hemodialysis Patients
| Status: | Completed |
|---|---|
| Conditions: | Renal Impairment / Chronic Kidney Disease, Renal Impairment / Chronic Kidney Disease |
| Therapuetic Areas: | Nephrology / Urology |
| Healthy: | No |
| Age Range: | 18 - 75 |
| Updated: | 4/21/2016 |
| Start Date: | October 2014 |
| End Date: | June 2015 |
This is a pilot study intended to gather data in order to inform future studies about the
role of feedback as an incentive for increasing levels of physical activity which could
improve health in hemodialysis patients.
role of feedback as an incentive for increasing levels of physical activity which could
improve health in hemodialysis patients.
In prior studies that have analyzed physical activity in dialysis patients,
three-dimensional accelerometers, physical performance tasks or self-reporting physical
activity questionnaires have been used to measure levels of activity. This proposed study
differs in that it will determine the effectiveness of providing "feedback" to dialysis
patients using a fitness tracking bracelet. For the purpose of this study, the word
'feedback' is used to refer to the information provided to the subject that demonstrates the
number of steps taken since the previous dialysis session as displayed by the Fitbit®
application. This 'feedback' will allow subjects to be more aware of their overall physical
activity on a quantitative level.
The study will seek to explore an association between feedback and physical activity.
Improved physical activity could improve indicators of subjects' health status such as blood
pressure, inflammatory markers, and pre-albumin levels, which will also be monitored and
recorded.
While informing subjects quantitatively about their levels of physical activity could be a
promising method to encourage them to be more active, it is unclear at this point if that
strategy actually works. This is an important practical question though, because actually
informing subjects on a regular basis about their activity level may pose substantial
operative challenges and result in additional costs.
The importance of encouraging subjects to be more physically active should not be
underestimated. Studying the physical activity of dialysis patients is important because it
allows researchers to consider the long-term effects that may influence the subject's
well-being. Johansen et al. showed that there was a direct relationship between the
inactivity of dialysis patients and susceptibility to hypertension, diabetes, cardiovascular
disease and even mortality. Additionally, the study demonstrated the importance of
implementing programs to promote physical activity [1]. If feedback does indeed increase
physical activity, then it will be substantially beneficial for this program to be
implemented.
three-dimensional accelerometers, physical performance tasks or self-reporting physical
activity questionnaires have been used to measure levels of activity. This proposed study
differs in that it will determine the effectiveness of providing "feedback" to dialysis
patients using a fitness tracking bracelet. For the purpose of this study, the word
'feedback' is used to refer to the information provided to the subject that demonstrates the
number of steps taken since the previous dialysis session as displayed by the Fitbit®
application. This 'feedback' will allow subjects to be more aware of their overall physical
activity on a quantitative level.
The study will seek to explore an association between feedback and physical activity.
Improved physical activity could improve indicators of subjects' health status such as blood
pressure, inflammatory markers, and pre-albumin levels, which will also be monitored and
recorded.
While informing subjects quantitatively about their levels of physical activity could be a
promising method to encourage them to be more active, it is unclear at this point if that
strategy actually works. This is an important practical question though, because actually
informing subjects on a regular basis about their activity level may pose substantial
operative challenges and result in additional costs.
The importance of encouraging subjects to be more physically active should not be
underestimated. Studying the physical activity of dialysis patients is important because it
allows researchers to consider the long-term effects that may influence the subject's
well-being. Johansen et al. showed that there was a direct relationship between the
inactivity of dialysis patients and susceptibility to hypertension, diabetes, cardiovascular
disease and even mortality. Additionally, the study demonstrated the importance of
implementing programs to promote physical activity [1]. If feedback does indeed increase
physical activity, then it will be substantially beneficial for this program to be
implemented.
Inclusion Criteria:
- Receiving hemodialysis three times a week
- On hemodialysis for more than 3 months
- Between the ages of 18 and 75 years
- Able to walk without assistance or assistive devices
- Able to read and understand the English language
Exclusion Criteria:
- Patient already uses an activity tracker
- Unstable health: acute infections, congestive heart failure NYHA class 4 and/or
unstable angina
- Hospitalization within the past 3 months for non-access related reasons
- Known allergies to nickel
- Unable to physically grip the handheld dynamometer in order to complete the Hand Grip
Strength Test
- Cognitive impairment
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