Table 2.
Research priorities by suicide method
| Suicide methods | Articlesa | |||||
|---|---|---|---|---|---|---|
| 1999–2006 | 2010–2017 | 2 sample prop. test | ||||
| # | % | # | % | z-value | p(z) | |
| Poisoning by drugs | 20.0 | 54.1 | 19.1 | 34.1 | − 1.91 | 0.056 |
| Poisoning by other (including by gases and vapours) | 2.8 | 7.7 | 4.8 | 8.5 | 0.16 | 0.877 |
| Hanging (incl. strangulation and suffocation) | 3.8 | 10.4 | 7.9 | 14.2 | 0.54 | 0.590 |
| Firearms (incl. explosives) | 4.3 | 11.7 | 4.4 | 7.9 | − 0.61 | 0.539 |
| Drowning | 1.0 | 2.7 | 0.8 | 1.4 | − 0.45 | 0.655 |
| Jumping from a high place | 1.5 | 4.1 | 6.1 | 10.9 | 1.17 | 0.242 |
| Jumping or lying before a moving object | 0.0 | 0.0 | 6.5 | 11.6 | 0.044b | |
| Other | 3.5 | 9.5 | 6.3 | 11.2 | 0.26 | 0.794 |
| Total | 37.0 | 100.0 | 56 | |||
Test results highlighted in italics mean a significant in the variable of relevance change over time
aThe number of grants/fellowships and articles may not be integer due to the weighting applied in the coding
bFisher’s exact test