WWBS Metrics

The dataset consists of recordings acquired from a sensorized WWBS smart-vest garment (developed by the project's partner SMARTEX), which the older adults wear during their daily routine. The garment is equipped with electrodes for ECG monitoring, a piezoresistive sensor for respiration monitoring, and Inertial Measurement Units (IMUs) for movement and posture monitoring. Each recording consists of a series of channels, and each recording channel is a pair of [Timestamp, Value] columns. The full list of recording channels is described below: <strong>- Part_id</strong>: User ID, a 4-digit number, serving as the file name for each user's data - <strong>ECG</strong>: Electric signal measuring the ECG (value: 0.8 mV - sampling rate: 250Hz) - <strong>ECGquality</strong>: ECG signal quality (value: 0-255 where 0=poor and 255=excellent - sampling rate: 1/5 sec) - <strong>ECGHR</strong>: Heart rate (value: Beats/minute - sampling rate: 1/5 sec) - <strong>ECGRR</strong>: R-R intervals (value: number of samples between R-R peaks - sampling rate:1/5 sec) - <strong>ECGHRV</strong>: Heart rate variability (value: ms - sampling rate: 1/60 sec) - <strong>AccX-Y-Z</strong>: Accelerometer in X-Y-Z axes (value: 0.97 10-3 g - sampling rate: 25 Hz) - <strong>GyroX-Y-Z</strong>: Gyroscope in X-Y-Z axes (value: 0.122 °/s - sampling rate: 25 Hz) - <strong>MagX-Y-Z</strong>: Magnetometer in X-Y-Z axes (value: 0.6 µT - sampling rate: 25 Hz) - <strong>RespPiezo</strong>: Electric signal measuring the chest pressure on the piezoelectric point (value: 0.8 mV - sampling rate: 25 Hz) - <strong>RespQuality</strong>: Respiration signal quality (value: 0-255 where 0=poor and 255=excellent - sampling rate: 1/5 sec) - <strong>BR</strong>: Breathing rate (value: Breaths/minute - sampling rate: 1/5 sec) - <strong>BA</strong>: Breathing Amplitude (value: logic levels - sampling rate: 1/15 sec) - <strong>Activityenergy</strong>: estimation of energy activity (value: estimation where 0=no activity and 255=max of activity - sampling rate: 1/5 sec) - <strong>Activityclass</strong>: Activity performed (value: 0-4 where 0=other, 1=lying, 2=standing/sitting, 3=walking and 4=running - sampling rate: 1/5 sec) - <strong>Activity1Pace</strong>: Step period (value: ms- sampling rate: 1 Hz) - <strong>ActivityPace</strong>: Pace (value: steps/min - sampling rate: 1/5 sec) - <strong>Q0-Q1-Q2-Q3</strong>: Quaternions from main electronic device, i.e. Q0, Q1, Q2, Q3 components (value: Q14 format - sampling rate: 25 Hz) - <strong>QEL0-QEL1-QEL2-QEL3</strong>: Quaternions from external left arm device, i.e. Q0, Q1, Q2, Q3 components (value: Q14 format - sampling rate: 25 Hz) - <strong>QER0-QER1-QER2-QER3</strong>: Quaternions from external right arm device, i.e. Q0, Q1, Q2, Q3 components (value: Q14 format - sampling rate: 25 Hz)