Abstract
目的 用病例交叉研究方法探讨急性职业性手外伤的瞬时危险因素.方法 对166例急性职业性手外伤患者进行问卷调查,分别用配对间隔和日常频率2种方法计算各危险因素的危险度.结果 配对间隔研究无法计算OR值,但设备(工具)异常、非日常工作任务、操作方式改变和注意力不集中主要出现在伤害阶段.日常频率分析发现,设备(工具)异常和匆忙的RR值和95%可信区间下限均大于1;而加班和戴手套的RR值虽然大于1,但95%可信区间下限均小于1;非日常工作任务、操作方式改变、身体不适或生病、注意力不集中无法计算RR值.结论 设备(工具)异常和匆忙作业是导致手外伤发生的危险因素.手外伤的预防措施应着重于控制各种瞬时危险因素。
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