Vineis 1994.

Methods	Non‐randomised controlled trial (C) Allocation at level of 2‐3 week periods of clinic attendance and sequential allocation to treatment group
Participants	Parents of newborn babies
Interventions	I = 15 minutes counselling by nurse + distribution of 3 educational booklets ‐ 1 on prevention of home injuries in childhood, 1 on smoking and one on passive smoking C = none of the above
Outcomes	Outcomes measured over 2 and 4 years: Risk of burns ‐ no significant difference in preventive behaviours. No P values reported. Scores of risk of poisoning by (a) cleaning products and (b) medicines ‐ no significant difference in preventive behaviours. No P values reported. Scores of risk of falls ‐ no significant difference in preventive behaviours. No P values reported. Scores of risk of electric shock ‐ no significant difference in preventive behaviours. No P values reported. Risk of home injury score comprising behaviours relating to burns, poisonings, falls and electrical injury ‐ reports change from baseline in risk scores, but baseline scores not presented. No significant difference in risk scores between groups. No P values reported.
Notes	Blinding ‐ n Outcomes 80% ‐ n Balance ‐ u
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	Not applicable ‐ non‐randomised study