Characteristic | Number/ number of participants | % (95% CI) |
---|---|---|
Ownership and installation (by inspection) | ||
At least one smoke alarm present | 89/228 | 39 (33 to 46) |
At least one installed alarm | 71/228 | 31 (25 to 38) |
At least one correctly installed alarm | 38/228 | 17 (12 to 22) |
Reasons for incorrect installation (all incorrectly installed alarms)1-150: | ||
On wall: 25/43 (58%) | ||
< 30 cm from walls, lights, or corners: 12/43 (28%) | ||
In or near kitchen: 8/43 (19%) | ||
None on bedroom level: 5/43 (12%) | ||
Function | ||
At least one installed alarm with positive button test1-151 | 36/223 | 16 (12 to 22) |
At least one installed, functioning alarm (positive smoke test)1-151 | 37/225 | 16 (12 to 22) |
At least one correctly installed, functioning alarm1-151 | 21/225 | 9 (6 to 14) |
Reasons for failure (all installed, non-functioning alarms)1-152 | ||
Battery absent: 33/46 (72%) | ||
Battery disconnected: 8/46 (17%) | ||
Alarm malfunction: 4/46 (9%) | ||
Battery dead: 2/46 (4%) |