Hendrickson 2000.

Methods	Randomised controlled trial. Allocation by coin toss. Unblinded outcomes assessment.
Participants	82 low‐income mothers (87% Hispanic) with children aged 10‐47 months.
Interventions	I: Home visit, with safety teaching, brochure, free smoke alarms, involving mother in installation and maintenance of alarms. C: No intervention.
Outcomes	Home inspection 1 month after intervention: 1) Final functioning alarms. 2) Functioning alarms acquired.
Notes	Loss to follow‐up: I: 7.3%; C: 2.0%.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	High risk	C ‐ Inadequate