Parameterizing and validating existing algorithms for identifying out-of-bed time using hip-worn accelerometer data from older women
نویسندگان
چکیده
منابع مشابه
Identifying accelerometer nonwear and wear time in older adults
BACKGROUND Five accelerometer-derived methods of identifying nonwear and wear time were compared with a self-report criterion in adults ≥ 56 years of age. METHODS Two hundred participants who reported wearing an Actical™ activity monitor for four to seven consecutive days and provided complete daily log sheet data (i.e., the criterion) were included. Four variables were obtained from log shee...
متن کاملExploring the challenges in obtaining physical activity data from women using hip-worn accelerometers.
Quality objective physical activity data are required to inform physical activity-based health improvement initiatives, however, various challenges undermine acquisition of such data. We examined the efficacy and challenges of a hip-worn accelerometry protocol in women. Specific objectives included determining accelerometer-wear-compliance rates and understanding the barriers and acceptability ...
متن کاملDifferentiating Sitting and Lying Using a Thigh-Worn Accelerometer.
UNLABELLED A triaxial accelerometer worn on the thigh can provide information on the angle of rotation of the thigh. These data may be used to estimate periods of lying versus sitting. PURPOSE To develop and test a classification algorithm to identify sedentary events as either lying or sitting events using a thigh-worn, triaxial accelerometer. METHODS Seven-day free-living activity from 14...
متن کاملActivities of Daily Life (ADL) Recognition using Wrist-worn Accelerometer
Activity recognition has become the necessity of smart homes, future factories, and surveillance. Activities independent of body posture predominantly exhibiting gestures involving both arm and the wrist motion supports the use of the wearable sensors for data acquisition. This paper uses an algorithm based prediction method to recognize the Activities of Daily Life (ADL) involving activities l...
متن کاملCalibration and Validation of a Wrist- and Hip-Worn Actigraph Accelerometer in 4-Year-Old Children
INTRODUCTION To determine time spent at different physical activity intensities, accelerometers need calibration. The aim of this study was to develop and cross-validate intensity thresholds for the Actigraph GT3X+ accelerometer for wrist and hip placement in four-year-old children. METHODS In total 30 children (49 months, SD 3.7) were recruited from five preschools in Stockholm. Equipped wit...
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ژورنال
عنوان ژورنال: Physiological Measurement
سال: 2019
ISSN: 1361-6579
DOI: 10.1088/1361-6579/ab1c04