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应用2×C表线性回归显著性检验，对我市1～9岁儿童青少年意外伤害死亡监测结果作趋势研究，并结合减寿分析和流行病学方法，探讨该死因致死特点及对居民健康的影响。结果表明：7年间儿童青少年意外伤害致死1662例，占全死因60．50％，居构成比首位，标化死亡率达40．63／10万；男性及合计死亡率递减有显著意义，女性死亡率维持于39．06／10万水平；淹死、自杀死亡率递减对全死因死亡率下降贡献比较大，女性自杀、男性淹死、交通事故致死死亡率性别差异突出，淹死、自杀年龄别死亡率差异显著；性别及合计减寿率下降均有极显著意义。结果提示：意外伤害已成为儿童青少年死亡的主要原因，但该死因致死减寿影响程度递减，居民健康水平提高。
The 2 × C table linear regression significance test, the city of 1-9-year-old children adolescent accidental death monitoring results for the trend study, combined with the longevity analysis and epidemiological methods to explore the characteristics of death of the cause of death and health of residents influences. The results showed that 1662 children and adolescents died of accidental death in six years, accounting for 60.50% of all causes of death, ranking first in population, with a standardized death rate of 40.63 / 100000; the death rate of males and the total mortality decreased significantly The rate of death due to drowning and suicide contributed a lot to the decrease of all-cause mortality rate. Female suicides, male drowning and traffic fatalities caused by traffic accidents had prominent gender differences, drowning and suicide age Significant differences in mortality; gender and total loss of life reduction rates are extremely significant. The results suggest that accidental injury has become the main cause of death among children and adolescents, but the impact of death and longevity of the cause of death is diminishing and the residents’ health level rises.