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This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring in adults with incomplete spinal cord injury. J Rehabil Res Dev. 2011;48(10): 1187–94. DOI:10.1682/JRRD.2010.09.0190 Slideshow Project DOI:10.1682/JRRD.2010.09.0190JSP Reliability of daily step activity monitoring in adults with incomplete spinal cord injury Saori Ishikawa, MS, ATC, CSCS; Sandy L. Stevens, PhD; Minsoo Kang, PhD; Don W. Morgan, PhD

2 This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring in adults with incomplete spinal cord injury. J Rehabil Res Dev. 2011;48(10): 1187–94. DOI:10.1682/JRRD.2010.09.0190 Slideshow Project DOI:10.1682/JRRD.2010.09.0190JSP Study Aim – Determine the number of days of step activity monitoring required to establish stable measures of walking activity in adults with incomplete spinal cord injury (iSCI). Relevance – Before quantifying changes in physical activity status due to therapeutic interventions in persons with iSCI, researchers must be able to accurately and reliably assess locomotor activity.

3 This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring in adults with incomplete spinal cord injury. J Rehabil Res Dev. 2011;48(10): 1187–94. DOI:10.1682/JRRD.2010.09.0190 Slideshow Project DOI:10.1682/JRRD.2010.09.0190JSP Methods 11 adults with iSCI wore a StepWatch Activity Monitor during waking hours for 7 consecutive days. We used generalizability theory to identify sources of variance in daily step counts and determine the minimum number of days necessary to obtain a reliability coefficient ≥0.80.

4 This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring in adults with incomplete spinal cord injury. J Rehabil Res Dev. 2011;48(10): 1187–94. DOI:10.1682/JRRD.2010.09.0190 Slideshow Project DOI:10.1682/JRRD.2010.09.0190JSP Results Average daily step activity was 1,281 ± 1,594 steps. Minimum of 2 days was required to achieve a reliability coefficient ≥0.80. Relationship between days of step activity monitoring and mean reliability coefficient (G-coefficient) values.

5 This article and any supplementary material should be cited as follows: Ishikawa S, Stevens SL, Kang M, Morgan DW. Reliability of daily step activity monitoring in adults with incomplete spinal cord injury. J Rehabil Res Dev. 2011;48(10): 1187–94. DOI:10.1682/JRRD.2010.09.0190 Slideshow Project DOI:10.1682/JRRD.2010.09.0190JSP Conclusions An acceptably stable measure of walking activity in adults with iSCI can be obtained by averaging step count values from any 2-day period in a week. These results should be useful in evaluating the effect of activity-based programs designed to enhance locomotor function in persons with iSCI.

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