Non-traditional wearing positions of pedometers : validity and reliability of the Omron HJ-203-ED pedometer under controlled and free-living conditions
Deutscher übersetzter Titel: | Nicht traditionelle Tragepositionen von Schrittzählern : Validität und Reliabilität des "Omron HJ-203-ED"-Schrittzählers unter kontrollierten Bedingungen und im Alltag |
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Autor: | DeCocker, Katrien A.; DeMeyer, Jotie; De Bourdeaudhuij, Ilse M.; Cardon, Greet M. |
Erschienen in: | Journal of science and medicine in sport |
Veröffentlicht: | 15 (2012), 5, S. 418-424, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 1440-2440, 1878-1861 |
DOI: | 10.1016/j.jsams.2012.02.002 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU201211007680 |
Quelle: | BISp |
Abstract
Objectives: To test the validity and intra-instrument reliability of the HJ-203 Omron pedometer when worn in different positions, under controlled and free-living conditions. Design: Cross-sectional. Methods: Forty healthy adults (20 men, 29.5±7.7 years) participated in three controlled tests, i.e. 20 step test, stair climbing (up and down), and treadmill walking (five bouts at different speeds). All participants wore a HJ-203 pedometer in the pants pocket, in a carrier bag, and around the neck. Fifty-four adults (23 men, 33.9±11.1 years) participated in a free-living conditions test, wearing a HJ-203 in the pants pocket and around the neck during one day. Results: During controlled tests, absolute percentage error ranged between 0.1% and 14.0%. Accuracy was influenced by wearing position (p<0.001), walking speed (p<0.001), and wearing position×walking speed (p=0.001). Accuracy was poor for pedometers worn in the pants pocket, especially at slower speeds; and best when worn around the neck. During free-living conditions, APE ranged between 30.7% and 36.9% and did not differ statistically between pants pocket and neck position. Intra-instrument reliability varied for controlled tests (ICC=0.14–0.96) and was acceptable during free-living conditions (ICC=0.94). Conclusions: The HJ-203 Omron pedometer showed acceptable accuracy for all wearing positions during stairs walking and treadmill walking at higher speeds; but limited accuracy during free-living conditions when worn at non-traditional wearing positions (necklace and pants pocket). Reliability was acceptable during treadmill walking at higher speeds and free-living conditions. Verf.-Referat