伤害发生率是指单位时间内（通常是年）伤害发生的人数与同期人口数之比，是进行伤害研究与检测的常用指标。
年轻人和老年人的伤害发生率最高。
且伤害发生率与其父母文化程度及是否独生子女有密切关系。
The rate of injuries was related closely to parent's culture background and the statistically significant difference was found between one-child families and multi-child families.
伤害发生率居前5位分别为跌摔伤、扭伤、擦伤、击打伤和划伤。
The injury formation rate preceded 5 ranks for fall, sprains, the abrasion, strikes injures and scratches.
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