Cultural translation: acceptability and efficacy of a US-based injury prevention intervention in China.

Background: Increased belt-positioning booster seat (BPB) awareness and access have led to increased use in the USA. Although transportation in Beijing is rapidly becoming 'motorised', Beijing's population has limited awareness of or access to BPBs.

Objective: To explore the efficacy and acceptability of using a US-developed BPB use promotion intervention in Beijing.