珠海市户籍人群自杀死亡流行病学特征

目的了解珠海市人群自杀死亡流行特征及自杀模式,为自杀干预提供决策依据。方法应用2003~2005年珠海市户籍居民病伤死亡原因监测资料,描述珠海市人群自杀死亡的流行病学特征。结果2003~2005年间珠海市户籍人群平均自杀死亡率为6.43/10万,标准化率为6.61/10万,是继交通事故之后的第二位伤害死亡原因;其中男性和女性、农村和城市标准化率分别为8.69/10万和4.68/10万、9.03/10万和5.05/10万,男性高于女性(U=3.47,P<0.01),农村高于城市(U=3.45,P<0.01);3年平均自杀死亡率随着年龄的增长而增加,60岁以上增加明显,且多为老年男性;自杀方式以自缢和服毒居多,占所有自杀死亡的80%。结论珠海市户籍人群平均自杀死亡率低于全国平均水平;其自杀模式既具有中国人群的自杀模式特征,农村高于城市,且主要为自缢和服毒;又具有国外自杀模式特征,男性明显高于女性,且多发生在老年男性人群。

Epidemiological characteristics of suicide death in registered population in Zhuhai

Objective To understand the epidemiological characteristics and the specific patterns of suicide death in Zhuhai population in order to provide decision-making evidence for suicide intervention.Methods To describe epidemic properties of suicide death of registered population by using the data of Mortality Registration System from 2003 to 2005 in Zhuhai. Results From 2003 to 2005, the average death rate of suicide and the standard rate in registered population in Zhuhai were 6.43 and 6.61 per 100000, respectively. Suicide death was the second death cause following traffic accident. The standard rates for male, female, country and city population were 8.69, 4.68, 9.03 and 5.05 per 100000, respectively. The standard rate in male population was higher than that in female one (U=3.47, P<0.01), and the standard rate in the country was higher than that in the city (U=3.45, P<0.01). The average death rate of suicide increased with increasing age, especially in the male population over 60 years old. The main suicide ways included hanging oneself and taking poisons with their rates in all suicide deaths being up to 80%.Conclusion The mean death rate of suicide in registered population in Zhuhai is lower than national average rate in China. The specific patterns of suicide death in Zhuhai population have suicide characteristics present both in China and in the foreign countries, that is, suicide death rate in the country is higher than in the city, and men are more likely to kill themselves than women, especially aged men.