著者
伊沢 寛志
出版者
新潟医学会
雑誌
新潟医学会雑誌 = 新潟医学会雑誌 (ISSN:00290440)
巻号頁・発行日
vol.116, no.12, pp.606-618, 2002-12

A total of 371 suicide notes were collected in 868 suicide cases investigated by the Niigata prefectural police during one year of 1999. The ratio of suicide completers (297 cases) who left their notes was 34.2%. The suicides were classified according to sex, age, suicide manner, motivation, history of mental illness and previous attempts or threats of suicide. The detailed form was investigated and their message of the notes was examined using 14 key words including apology, pain of sickness, thanks, requests after death and unwilling part. The psychological status of the note can be understood as a combination of the key word. The result of key word classification showed that many factors are comprised in a motive of suicide. The police made a classification of suicide motive into 8 classification and limited it to one, but it was difficult to select a main motive to only one