Table 4.
Survey item | Score, mean (SD) | ||||
|
All measures of the device | Blood pressure measure | ECGa measure | SpO2b measure | |
Individual itemc | |||||
|
The shape of the wearable device is adequate | 4.18 (0.60) | 4.36 (0.81) | 4.18 (0.60) | 4.27 (0.65) |
|
The size of the wearable device is adequate | 4.36 (0.50) | 4.36 (0.81) | 4.27 (0.65) | 4.27 (0.79) |
|
The weight of the wearable device is adequate | 4.36 (0.50) | 4.36 (0.67) | 4.27 (0.65) | 4.18 (0.75) |
|
The location of the part implementing the function is appropriate | 4.36 (0.50) | 4.36 (0.67) | 4.18 (0.60) | 4.27 (0.79) |
|
It is convenient to operate | 4.36 (0.67) | 4.45 (0.69) | 4 (1.10) | 4.45 (0.69) |
|
It works stably | 4.18 (0.60) | 4.27 (0.79) | 4.27 (0.65) | 4.45 (0.69) |
|
No discomfort when eating food | 4.00 (1.18) | 3.18 (1.66) | 3.55 (1.51) | 3.55 (1.51) |
|
No discomfort when going to the bathroom | 3.00 (1.67) | 2.27 (1.85) | 3.55 (1.51) | 3.27 (1.42) |
|
No discomfort when moving | 3.27 (1.56) | 2.45 (1.81) | 3.55 (1.51) | 3.45 (1.51) |
|
No discomfort when sleeping | 3.73 (1.19) | 3.36 (1.69) | 3.64 (1.50) | 3.55 (1.21) |
|
No difficulty in connecting the device without assistance | N/Ad | N/A | 4.18 (0.75) | N/A |
|
When attaching or moving the sensor sticker, there was no strain on the skin | N/A | N/A | 3.64 (1.50) | N/A |
|
No difficulty connecting the SpO2 device cup to the finger without assistance | N/A | N/A | N/A | 4.45 (0.69) |
|
Willing to use a home-based wearable device with similar performance in the future | 3.91 (1.14) | 3.91 (1.22) | 3.91 (1.22) | 4.18 (0.75) |
All itemse | |||||
|
Expected score for the wearable device before using it | 76.36 (22.92) | 85.45 (13.68) | 76.00 (21.58) | 85.27 (11.39) |
|
Evaluation score for the wearable device after actually using it | 89.36 (9.67) | 90.55 (10.55) | 85.00 (20.12) | 91.36 (7.78) |
aECG: electrocardiogram.
bSpO2: blood oxygen saturation.
cSurvey items were rated on a 5-point Likert scale, ranging from 1 (strongly disagree) to 5 (strongly agree).
dN/A: not applicable; this survey item did not pertain to either the device itself or to the indicated measure.
eParticipants responded using a scale where the maximum score was 100 points.