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Classification Accuracy Of The Wrist-Worn Genea Accelerometer During Structured Activity Bouts: A Cross-Validation Study, Whitney Allegra Welch
Classification Accuracy Of The Wrist-Worn Genea Accelerometer During Structured Activity Bouts: A Cross-Validation Study, Whitney Allegra Welch
Masters Theses
Purpose: The purpose of this study is to determine whether the left wrist cutpoints of Esliger et al., for the triaxial GENEA accelerometer, are accurate for predicting intensity categories during 14 different activities including; treadmill-based, home and office, and sport activities. Methods: 130 adults wore a GENEA accelerometer on their left wrist while performing various lifestyle activities. The Oxycon Mobile Portable Metabolic Unit was used to measure oxygen uptake during each activity. Statistical analysis used Spearman’s rank correlations to determine the relationship between measured and estimated intensity classifications. Cross tabulation tables were constructed to describe under or over …