In conclusion, betel-quid chewing should be controlled, and a regular nationwide survey on betel-quid chewing using standardized measurement criteria would be useful.

• 与同时有嚼食槟榔及呼菸两项行为者戒嚼槟榔意愿相关之因素则有年龄、过去一年曾否戒菸、和未来半年有无戒菸意愿。