长沙市农村社区老年人群自杀率的流行病学调查

目的　掌握农村社区老年人群自杀率的第一手资料 ,为预防农村老年人自杀提供依据。　方法　采取分层整群抽样方法 ,以长沙近郊浏阳市和望城县的 8个乡 (镇 )的全部 14 5个行政村1996～ 2 0 0 0年自杀死亡的老年人为调查对象 ,调查农村老年人自杀率 ,对自杀者的性别、年龄、地区等差异运用 χ2 检验和 (或 )u检验方法进行统计学推断。　结果　 (1) 5年平均标化自杀率 10 3 18/10万 ,男性 116 38/ 10万、女性 90 73/ 10万 ,性别差异无显著性 (P >0 0 5 ) ;(2 )自杀死亡占农村老年人群意外死亡的 6 7 6 8% ,为意外死亡的第一位死因 ;(3)望城县历年的老年人群自杀率呈直线上升趋势 (P <0 0 0 5 )。　结论　农村老年人群是自杀的高危人群之一 ,自杀为其意外死亡的首位死因

Epidemiological survey on suicide rate of the elderly in rural area of Changsha

Objective The main purposes of this study are to collect the first-handed data on suicide rate of the elderly in rural communities to provide reliable scientific bases for preventing suicide of the elderly in rural area. Methods All 60-year-old or over elder people in 2 counties(Liuyang and Wangcheng) including 145 villages of 8 townships in Changsha, Hunan Province, who committed suicide from the year 1996 to 2000, were analyzed in this study. Results (1)Average standardized rate was 103.18 per 100 000 from 1996 to 2000 in two counties. There was no gender difference of suicide rate (P>0.05). (2) Suicide was the first cause of accident death among the rural elderly (67.68%).(3)The suicide rate of Wangcheng County was demonstrated to have a linear ascending tendency by tendency test (P<0.05). Conclusions Rural elderly is one of the groups that have high risk of committing suicide. Among the causes of rural elderly's accident death, suicide ranked the first.