Davis 1987.

Methods	Cluster randomised controlled trial. Allocation methods not stated. Outcomes assessment not blinded.
Participants	41 Grade 4‐6 classes (861 children).
Interventions	I: Six 1‐hour fire safety lessons with workbook, demonstrations, teacher training, materials, take‐home materials for parents. C: Usual lessons.
Outcomes	In‐school survey immediately after last class: Final alarm ownership.
Notes	Loss to follow‐up: I: 1% of children; C: 0% of children.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear