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Title: Presence and duration of reactivity to pedometers in adults
Authors: Clemes, Stacy A.
Deans, Nuala K.
Keywords: Pedometers
Exercise
Physical activity
Walking
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 steps/day) (P<0.001). 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
DOI: 10.1249/MSS.0b013e318242a377
URI: https://dspace.lboro.ac.uk/2134/15570
Publisher Link: http://dx.doi.org/10.1249/MSS.0b013e318242a377
ISSN: 0195-9131
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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