Abstract
Objectives: To evaluate the reliability and validity of the StepWatch Activity Monitor (SAM) as a reliable and valid measurement tool for assessing ambulatory activity in able-bodied children and to assess the ambulatory activity of able-bodied children. Design: Descriptive study. Setting: General community. Participants: Ninety-seven able-bodied children, aged 6 to 20 years. Interventions: Not applicable. Main Outcome Measures: Anthropometric parameters, calibration of a step activity monitor to ensure accuracy, and 3 days of simultaneous heart rate and step activity monitoring. Results: The SAM had an accuracy of 99.87% compared with the observer-counted steps and was shown to be valid and reliable when compared with heart rate monitoring. The subjects in all age groups (6-10y, 11-15y, 16-20y) spent most of their active time at low step rate but took the fewest steps at this rate. Although the least amount of time was spent at high step rate, it accounted for the most steps. The 6- to 10-year-old group took more total steps per day than any of the other groups. Boys spent significantly more time at high step rate than girls in all age groups (mean for boys, 66±4min/d; girls, 47±4 min/d). Conclusions: The SAM is an accurate, valid, and useful tool for measuring continuous, time-based step activity during real-world community activity for children and adolescents.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 793-801 |
| Number of pages | 9 |
| Journal | Archives of Physical Medicine and Rehabilitation |
| Volume | 86 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2005 |
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Keywords
- Ambulation disorders, neurologic
- Monitoring, ambulatory
- Rehabilitation
- Walking
ASJC Scopus subject areas
- Rehabilitation
Cite this
Utility of a step activity monitor for the measurement of daily ambulatory activity in children. / McDonald, Craig M; Widman, Lana; Abresch, R. Ted; Walsh, Sandra A.; Walsh, Denise D.
In: Archives of Physical Medicine and Rehabilitation, Vol. 86, No. 4, 04.2005, p. 793-801.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Utility of a step activity monitor for the measurement of daily ambulatory activity in children
AU - McDonald, Craig M
AU - Widman, Lana
AU - Abresch, R. Ted
AU - Walsh, Sandra A.
AU - Walsh, Denise D.
PY - 2005/4
Y1 - 2005/4
N2 - Objectives: To evaluate the reliability and validity of the StepWatch Activity Monitor (SAM) as a reliable and valid measurement tool for assessing ambulatory activity in able-bodied children and to assess the ambulatory activity of able-bodied children. Design: Descriptive study. Setting: General community. Participants: Ninety-seven able-bodied children, aged 6 to 20 years. Interventions: Not applicable. Main Outcome Measures: Anthropometric parameters, calibration of a step activity monitor to ensure accuracy, and 3 days of simultaneous heart rate and step activity monitoring. Results: The SAM had an accuracy of 99.87% compared with the observer-counted steps and was shown to be valid and reliable when compared with heart rate monitoring. The subjects in all age groups (6-10y, 11-15y, 16-20y) spent most of their active time at low step rate but took the fewest steps at this rate. Although the least amount of time was spent at high step rate, it accounted for the most steps. The 6- to 10-year-old group took more total steps per day than any of the other groups. Boys spent significantly more time at high step rate than girls in all age groups (mean for boys, 66±4min/d; girls, 47±4 min/d). Conclusions: The SAM is an accurate, valid, and useful tool for measuring continuous, time-based step activity during real-world community activity for children and adolescents.
AB - Objectives: To evaluate the reliability and validity of the StepWatch Activity Monitor (SAM) as a reliable and valid measurement tool for assessing ambulatory activity in able-bodied children and to assess the ambulatory activity of able-bodied children. Design: Descriptive study. Setting: General community. Participants: Ninety-seven able-bodied children, aged 6 to 20 years. Interventions: Not applicable. Main Outcome Measures: Anthropometric parameters, calibration of a step activity monitor to ensure accuracy, and 3 days of simultaneous heart rate and step activity monitoring. Results: The SAM had an accuracy of 99.87% compared with the observer-counted steps and was shown to be valid and reliable when compared with heart rate monitoring. The subjects in all age groups (6-10y, 11-15y, 16-20y) spent most of their active time at low step rate but took the fewest steps at this rate. Although the least amount of time was spent at high step rate, it accounted for the most steps. The 6- to 10-year-old group took more total steps per day than any of the other groups. Boys spent significantly more time at high step rate than girls in all age groups (mean for boys, 66±4min/d; girls, 47±4 min/d). Conclusions: The SAM is an accurate, valid, and useful tool for measuring continuous, time-based step activity during real-world community activity for children and adolescents.
KW - Ambulation disorders, neurologic
KW - Monitoring, ambulatory
KW - Rehabilitation
KW - Walking
UR - http://www.scopus.com/inward/record.url?scp=16844377517&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=16844377517&partnerID=8YFLogxK
U2 - 10.1016/j.apmr.2004.10.011
DO - 10.1016/j.apmr.2004.10.011
M3 - Article
C2 - 15827934
AN - SCOPUS:16844377517
VL - 86
SP - 793
EP - 801
JO - Archives of Physical Medicine and Rehabilitation
JF - Archives of Physical Medicine and Rehabilitation
SN - 0003-9993
IS - 4
ER -