Table 3.
Internet-of-Things device selection by the participants.
| Devices | Phase 1 (n=15), n (%) | Phase 2 (n=22), n (%) | |
| Door and window sensor | 12 (80) | 15 (68) | |
| Multipurpose sensor | 14 (93) | 18 (81) | |
| IPa camera | 2 (13) | 3 (14) | |
| Smart speaker | N/Ab | 19 (86) | |
| Combinations of devices selected | |||
|
|
Door and window sensor only | 1 (7) | 1 (5) |
|
|
Multipurpose sensor only | 3 (20) | 0 (0) |
|
|
Smart speaker only | N/A | 1 (5) |
|
|
Door and window+multipurpose sensor | 9 (60) | 2 (9) |
|
|
Door and window+multipurpose sensor+IP camera | 2 (13) | 0 (0) |
|
|
Door and window+multipurpose sensor+smart speaker | N/A | 11 (50) |
|
|
multipurpose sensor+smart speaker | N/A | 4 (18) |
|
|
IP camera+smart speaker | N/A | 2 (9) |
|
|
Door and window+multipurpose sensor+IP camera+smart speaker | N/A | 1 (5) |
aIP: internet protocol.
bN/A: not applicable. Smart speaker was not offered during phase 1.