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性别差异是研究疾病与健康、人口与经济发展、人口再生产趋势的基本信息。本文分析了长江三角洲北岸一个98万人口的农业县在人口出生、死亡、主要死因、生存概率及平均期望寿命等诸方面的性别差异及趋势。一、资料来源人口资料来自县公安局年报;年龄组人口资料来自县人口普查办公室;出生、生育及死亡资料来自县的生命统计登记报告资料;影响死亡率的社会因素通过专题调查取得。二、人口数量与年龄构成的性别差异
Gender differences are the basic information for studying diseases and health, population and economic development, and population reproduction trends. This paper analyzes the gender differences and trends in the birth, death, main cause of death, survival probability and average life expectancy of a population of 980,000 people on the northern bank of the Yangtze River Delta. I. Sources of data Population information comes from the county public security bureau’s annual report; age group population data comes from the county census office; birth, birth, and death data come from the county’s vital statistics registration report; social factors that affect mortality are obtained through special investigations. II. Gender Differences in Population Composition and Age Composition