Tracking of Pedometer-Determined Physical Activity: A 5-Year Follow-Up Study of Adolescents in Sweden
in Pediatric Exercise ScienceClick name to view affiliation
Tracking refers to the tendency for individuals to maintain their rank in a group over time. The authors explored tracking of pedometer-determined physical activity. In October of 2000, 2003, and 2005, data of physical activity as steps per day were collected with sealed Yamax SW-200 pedometers (Tokyo, Japan) for 4 consecutive schooldays in 97 (46 boys and 51 girls) Swedish adolescents (mean age 12.7 in 2000). In general, tracking of pedometer-determined physical activity was low to moderate during adolescence. A sex difference, with boys expressing higher tracking, was seen. Moderate tracking was seen in the individuals who, according to recommendations, were insufficiently active.
The authors are with the School of Human Sciences, Division of Physical Education, University of Kalmar, SE 391 82 Kalmar, Sweden.
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