ActiGraph ACTITRAINER Instrukcja Użytkownika Strona 9

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IPEN Adolescent Accelerometer Data Collection Guidelines
Valid Wearing Day definition:
Weekday: 10 wearing hours (commonly used and based on a balance between
feasibility and enough data to represent usual daily activity patterns)
Weekend: 8 wearing hours (based on feedback from IPEN Adolescent investigators
that this would be necessary to ensure good compliance on the weekends)
Valid Wearing Week definition:
Give participants 7 full wear days (e.g., pick up on 9
th
day)
Use MeterPlus to screen for 5 valid days, including 1 weekend
Ask for rewear for however many additional days are needed
Kelli L. Cain, San Diego May 2014
Rewears boosted
compliance rates in
the US study from
66% to 86%!
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