Suicide prevention through means restriction: assessing the risk of substitution. A critical review and synthesis.

摘要: The effectiveness of restricting access to certain means committing suicide has been demonstrated, at least as regards toxic domestic gas, firearms, drugs and bridges. At the individual level, studies tend indicate that many persons have a preference for given means, which would limit possibility substitution or displacement towards another method. Similarly, fact suicidal crisis are very often short-lived (and, what is more, influenced by ambivalence impulsiveness) suggests an with restricted not put off his plans later turn alternative methods. This more difficult demonstrate scientifically in population studies. Nevertheless, it appears that, should such shift occur other be into effect only part over longer term.