title: The impact of newspaper reporting of hydrogen sulfide suicide on imitative suicide attempts in Japan.
abstract: OBJECTIVE
  An analysis model based on monthly or fortnight data is inadequate to precisely evaluate the impact of media reporting of suicide on suicide rates as well as the time lag from exposure to the report of a suicide. Thus, we used daily time-series data and examined the association between newspaper articles on suicide and suicide attempts in Japan.
  
  
  METHODS
  The Box-Jenkins transfer function model was applied to daily time-series data for the period March 27-May 21, 2008.
  
  
  RESULTS
  Newspaper articles on suicide using hydrogen sulfide at (t - 1) were related to suicide attempts at (t) (ps < 0.001 and 0.05). Newspaper articles on suicides using hydrogen sulfide on the front page at (t - 1) were related to suicide attempts at (t) (p < 0.00). The magnitude of the impact of newspaper articles about suicide at (t - 1) or (t - 3) on "copy-cat" suicide attempts became greater as the number of news articles violating the media suicide recommendations increased.
  
  
  CONCLUSIONS
  The time lag between exposure to newspaper reports of suicide and attempts was 1 or 3 days, and the magnitude of the impact of front page articles was about four times as great as that of suicide articles in general.
authors.affiliation: Department of Health Services Management and Policy, Kyushu University Graduate School of Medicine, Higashi-ku, Fukuoka, 812-8582, Japan, hagihara@hsmp.med.kyushu-u.ac.jp.
authors.forename: Akihito
authors.initials: A
authors.lastname: Hagihara
authors.forename: Takeru
authors.initials: T
authors.lastname: Abe
authors.forename: Megumi
authors.initials: M
authors.lastname: Omagari
authors.forename: Midori
authors.initials: M
authors.lastname: Motoi
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Nabeshima
mesh_terms: D000818:Animals; D002415:Cats; D005260:Female; D006801:Humans; D006862:Hydrogen Sulfide / Q000506:poisoning*; D007100:Imitative Behavior; D007564:Japan; D008297:Male; D009524:Newspapers as Topic; D012621:Seasons; D013405:Suicide / Q000523:psychology* / Q000706:statistics & numerical data / Q000639:trends*; D013406:Suicide, Attempted / Q000523:psychology
chemical_list: D006862:Hydrogen Sulfide