Cochrane · systematic review · CD013543
Means restriction for the prevention of suicide by jumping
Okolie, C, Wood, S, Hawton, K, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library
Common Mental DisordersAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
25
current version
GRADE rated
6
No studies
19
Included studies
NR
No studies 19 · 76%Ungraded 0 · 0%Very low 0 · 0%Low 6 · 24%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
All means restriction interventions (delivered in isolation or in combination with other interventions) to restrict the availability of, or access to, means of suicide by jumping
Population: adults or children of all ethnicities
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Suicide (Observation period ‐ pre‐intervention: 119.5 years; postintervention: 92 years) | IRR 0.09 | 12 participants | Low |
Attempted suicide | no estimate extracted | NR | No studies |
Study withdrawal | no estimate extracted | NR | No studies |
Change in hospital admission rates | no estimate extracted | NR | No studies |
Cost‐effectiveness of interventions | no estimate extracted | NR | No studies |
Means restriction interventions delivered in isolation to restrict the availability of, or access to, means of suicide by jumping
Population: adults or children of all ethnicities
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Suicide (Observation period ‐ pre‐intervention: 89 years; postintervention 78.5 years) | IRR 0.05 | 9 studies · 9 participants | Low |
Attempted suicide | no estimate extracted | NR | No studies |
Study withdrawal | no estimate extracted | NR | No studies |
Change in hospital admission rates | no estimate extracted | NR | No studies |
Cost‐effectiveness of interventions | no estimate extracted | NR | No studies |
Means restriction interventions delivered in combination with other interventions to restrict the availability of, or access to, means of suicide by jumping
Population: adults or children of all ethnicities
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Suicide (Observation period: pre‐intervention 30.5 years; postintervention 13.5 years) | IRR 0.54 | 3 studies · 3 participants | Low |
Attempted suicide | no estimate extracted | NR | No studies |
Study withdrawal | no estimate extracted | NR | No studies |
Change in hospital admission rates | no estimate extracted | NR | No studies |
Cost‐effectiveness of interventions | no estimate extracted | NR | No studies |
Installation of barriers to restrict the availability of, or access to, means of suicide by jumping
Population: adults or children of all ethnicities
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Suicide (Observation period: pre‐intervention 81.5 years; postintervention 71.8 years) | IRR 0.07 | 7 studies · 7 participants | Low |
Attempted suicide | no estimate extracted | NR | No studies |
Study withdrawal | no estimate extracted | NR | No studies |
Change in hospital admission rates | no estimate extracted | NR | No studies |
Cost‐effectiveness of interventions (the study reviewed suicide data from a bridge and surrounding areas over a 70‐year period, and estimated reductions in mortality due to the barrier over a 20‐year period) | no estimate extracted | 1 study · 1 participants | Low Downgraded: risk of bias, inconsistency |
Installation of safety nets to restrict the availability of, or access to, means of suicide by jumping
Population: adults or children of all ethnicities
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Suicide (Observation period: pre‐intervention 19.5 years; postintervention 6.5 years) | IRR 0.09 | 2 studies · 2 participants | Low |
Attempted suicide | no estimate extracted | NR | No studies |
Study withdrawal | no estimate extracted | NR | No studies |
Change in hospital admission rates | no estimate extracted | NR | No studies |
Cost‐effectiveness of interventions | no estimate extracted | NR | No studies |