Results.The drivers using the airbag-only had significantly higher rate (54.1%) of cervical fractures than those using both airbag and a seatbelt (42.1%).

• 结果：驾驶员仅使用安全气囊有较高(54.；1%25)的颈椎骨折发生率，比使用了安全气囊和座椅安全带(42