中文摘要：

目的了解安徽地区留守儿童意外伤害发生的流行特征及其影响因素，为制定相关预防和控制策略提供依据。方法采用整群分层抽样方法抽取安徽省长丰县3所初级中学共423人，以问卷形式调查初中生意外伤害的现况。结果在本次调查中，留守儿童203例，留守组意外伤害的发生率为46．80％，高于非留守组，差异有显著性（x^2=7．236，P〈0．01），留守组前五位意外伤害依次为：咬伤（27．6％）、跌伤（13．3％）、交通伤（11．3％）、锐器伤（7．9％）、触电（6．4％）。留守组意外伤害与监护类型、家庭收入、年级有关。结论留守儿童意外伤害问题较严重，应针对原因采取有效措施，减少意外伤害特别是二次伤害的发生。

英文摘要：

Objective To identify the current epidemiological situation of unintentional injuries among children left behind and to provide scientific evidence for prevention and control. Methods With a stratified sampling method, 423 students were drawn from three middle schools in Changfeng County of Anhui Province, and an anonymous questionnaire survey was conducted on them. Results There were 203 children left behind, the incidence of unintentional injuries among left-behind children group was 46.80 %, significantly higher than non-left-behind children group （ x^2 = 7. 236, P〈 0.01 ）. Five kinds of unintentional injures of left-behind children group took the first 5 places： animal-related （27.6%）, fall （ 13.3 % ）, transportation-related （ 11.3 % ）, electric shock （ 7.9 % ）, cutting/piercing （ 6.4 % ）. The unintentional injures of children left behind were related to guardianship type, household income and grade. Conclusions The incidence of unintentional injuries among children left behind is serious. Some preventive measures should taken to decrease the incidence of injuries, especially on recurrent ones.