| Validation of a talking pedometer for adults with visual impairment. | |
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MedLine Citation:
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PMID: 21085034 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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PURPOSE: : The purpose of this study was to establish validity evidence for the Centrios talking pedometer relative to environmental familiarity and MA use in adults with VI. METHODS: : Thirteen adults with VI (age = 38 ± 14 yr) completed two walking trials over an unfamiliar, quarter-mile course while wearing a Centrios talking pedometer at the right and left sides of the hip. Walking speed, pedometer-determined steps, and actual steps were recorded during the first session, reflecting walking in an "unfamiliar environment." After a series of additional walks over the same course, outcome measures were reassessed during a second trial, reflecting walking in a "familiar environment." Absolute percent error (APE) scores were calculated between actual and pedometer-determined steps. Paired t-tests were used to assess differences in APE relative to mounting position across environmental settings. RESULTS: : During unfamiliar trials, the pedometer accurately reported steps when mounted at the hip opposite the user's MA (APE = 2.1%) but was significantly less accurate when mounted at the hip on the user's MA side (APE = 11.1%). In the familiar setting, the pedometer accurately reported steps when mounted at the left hip and the hip opposite the user's MA (APE <3%). APE values did not differ across environmental conditions (P > 0.05). CONCLUSIONS: : In unfamiliar and familiar walking conditions, the Centrios pedometer accurately monitors step-based activity in adults with VI when mounted at the hip opposite the user's MA. |
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Authors:
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Elizabeth Ackley Holbrook; Sandy L Stevens; Minsoo Kang; Don W Morgan |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Medicine and science in sports and exercise Volume: 43 ISSN: 1530-0315 ISO Abbreviation: Med Sci Sports Exerc Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-05-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8005433 Medline TA: Med Sci Sports Exerc Country: United States |
Other Details:
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Languages: eng Pagination: 1094-9 Citation Subset: IM; S |
Affiliation:
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1Department of Health and Human Performance, Roanoke College, Salem, VA; and 2Department of Health and Human Performance, Middle Tennessee State University, Murfreesboro, TN. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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