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Tjurin, Petra; Niemelä, Maisa; Kangas, Maarit; Vähä-Ypyä, Henri; Sievänen, Harri; Jämsä, Timo; Korpelainen, Raija – Measurement in Physical Education and Exercise Science, 2019
The purpose of this study was to describe the accelerometry-based characteristics of overall sedentary behavior (SB) and sitting among adults under free-living conditions. Thirty-six (mean age 47.6 years) volunteers carried a waist-worn accelerometer for =4 days with data =600 min/d during 14 consecutive days. A machine learning (ML) based method…
Descriptors: Adults, Physical Activity Level, Measurement Equipment, Behavior Patterns
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Janssen, Xanne; Cliff, Dylan P. – Measurement in Physical Education and Exercise Science, 2015
The use of objective measures of sedentary behavior has increased over the past decade; however, as is the case for objectively measured physical activity, methodological decisions before and after data collection are likely to influence the outcomes. The aim of this article is to review the evidence on different methodological decisions made by…
Descriptors: Life Style, Physical Activity Level, Measurement Techniques, Measurement Equipment