Shapiro 1987.

Methods	RCT
Participants	Women admitted to the maternity ward of 3 hospitals
Interventions	I = pamphlet about tap water scalds and thermometer for testing, plus a one minute educational message summarising pamphlet C = pamphlet and thermometer
Outcomes	Outcomes measured between 2 and 9 months: Tested hot water temperature I = 155/302 C = 88/302, OR 2.56 (1.83 to 3.59) Lowered hot water temperature Figures and P value not reported
Notes	Blinding ‐ u Outcomes 80% ‐ y Balance ‐ n/a
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	Unclear