From: Feasibility of three wearable sensors for 24 hour monitoring in middle-aged women
Wake time | Sleep time | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Device | Valid daysa (%) | Valid nightsb (%) | ||||||||
≥1 | ≥4 | 7 | Mean | (SD) days | ≥1 | ≥4 | 6 | Mean | (SD) days | |
Actigraph | 100 | 100 | 61.9 | 6.57 | ±0.75 | 100 | 100 | 85.71 | 5.81 | ±0.51 |
GENEActivc | 100 | 95.2 | 95.2 | 6.76 | ±1.09 | 100 | 95.24 | 90.48 | 5.71 | ±1.10 |
SenseWeard | 100 | 100 | 71.43 | 6.52 | ±0.93 | 100 | 90.47 | 80.95 | 5.62 | ±0.92 |