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目的评价出生死亡监测质量,校正三峡库区报告人口出生率和死亡率。方法采用分层随机整群抽样方法,对抽取的7061户居民逐户调查人口出生和死亡情况,再与同期监测系统所报告的出生、死亡资料进行核对,计算漏报率以及总体出生率和死亡率95%可信区间(CI)。结果三峡库区人群健康监测系统出生漏报率为13．91%,死亡漏报率为15．60%,婴儿死亡漏报率为33．33%。校正报告出生率为8．92‰,估计总体出生率95% CI：8．38‰～9．45‰,校正报告死亡率为6．88‰,估计总体死亡率95%CI：6．37‰～7．38‰。结论三峡库区人群健康监测系统出生和死亡报告质量符合国家疾病监测点质量要求。2002—2004年三峡库区人口出生率和死亡率在10．00‰以下。
Objective To evaluate the quality of birth death surveillance and to correct the reported birth rate and mortality in the Three Gorges reservoir area. Methods A stratified random cluster sampling method was used to investigate the birth and death of the population of 7061 households that were collected from households, and then to check the birth and death data reported by the monitoring system during the same period to calculate the missed rate and the overall birth rate and mortality. 95% confidence interval (CI). [Results] The rate of missed birth was 13.91% in the population health monitoring system in the Three Gorges Reservoir Area, the missed rate of death was 15.60%, and the missed rate of infant death was 33.33%. The corrected report birth rate was 8.92‰. The estimated birth rate was 95% CI: 8.38‰ to 9.45‰, the corrected report mortality rate was 6.88‰, and the estimated overall mortality rate was 95% CI: 6.37‰-7. .38. Conclusion The quality of birth and death reporting in the population health monitoring system of the Three Gorges Reservoir area meets the quality requirements of national disease surveillance sites. From 2002 to 2004, the birth rate and mortality of the Three Gorges reservoir area were below 10.00‰.