Effect of an educational leaflet on the frequency of seat belt use and the rate of motor vehicle accidents during pregnancy in Japan in 2018: a prospective, non-randomised control trial with a questionnaire survey

Objective To determine whether an educational leaflet had any effect on seat belt use, seat preference and motor vehicle accidents rate during pregnancy in Japan. Design Prospective, non-randomised control trial with a questionnaire survey. Setting Eight obstetric hospitals in Sapporo, Japan. Participants 2216 pregnant women, of whom 1105 received the leaflet (intervention group) and 1111 did not (control group). Interventions Distribution of an...