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|Title: ||Presence and duration of reactivity to pedometers in adults|
|Authors: ||Clemes, Stacy A.|
Deans, Nuala K.
|Issue Date: ||2012|
|Publisher: ||© American College of Sports Medicine|
|Citation: ||CLEMES, S.A. and DEANS, N.K., 2012. Presence and duration of reactivity to pedometers in adults. Medicine and Science in Sports and Exercise, 44 (6), pp. 1097-1101.|
|Abstract: ||PURPOSE: To examine the presence and duration of reactivity to wearing a pedometer and
recording daily step counts in free-living adults.
METHODS: On the first visit to the laboratory 90 participants (69% female, age = 26.8±13.0 years,
BMI = 23.4±4.0 kg/m2), blinded to the study aim, were provided with a sealed pedometer (New
Lifestyles NL-800) and informed that it was a 'Body Posture Monitor' (covert condition).
Participants wore the pedometer throughout waking hours for 1 week. Upon return to the
laboratory, stored step counts were recorded and participants were informed that the device was
a pedometer. Participants wore the pedometer unsealed (no restriction on viewing the step count
display) for 2 weeks, during which they recorded their daily step count in a diary (diary
condition). Mean daily step counts recorded during the covert condition and during weeks 1 and
2 of the diary condition were compared using a repeated-measures ANOVA.
RESULTS: There was a significant overall effect of study condition (P<0.001), with post hoc
analyses revealing that mean daily step counts reported during the first week of the diary
condition (9898±3002 steps/day) were significantly higher than those reported during the covert
condition (8331±3010 steps/day) and during the second week of the diary condition (8226±3170
CONCLUSION: Reactivity to wearing unsealed pedometers and step count recording appears to last
for 1 week. In the absence of any intervention material, step counts return to normal levels
during the second week of monitoring, and therefore represent a more accurate estimate of
habitual activity. These findings have important implications to both researchers and
practitioners interested in the use of pedometers for physical activity surveillance and promotion.|
|Description: ||This is a non-final version of an article published in final form in: CLEMES, S.A. and DEANS, N.K., 2012. Presence and duration of reactivity to pedometers in adults. Medicine and Science in Sports and Exercise, 44 (6), pp. 1097-1101. URL: http://dx.doi.org/10.1249/MSS.0b013e318242a377.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.1249/MSS.0b013e318242a377|
|Appears in Collections:||Published Articles (Sport, Exercise and Health Sciences)|
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