Number of railway suicides occurring within a 500 metre and 1000 metre radius of fencing sites and rate ratios (RR) comparing the pre- and post-intervention periods, Victoria, January 2008 to June 2021
Pre-period | Post-period | ||||||
Number of suicides | Number of months | Suicide rate (per month) | Number of suicides | Number of months | Suicide rate (per month) | RR (95% CI) | |
500 metre radius of site | |||||||
All sites (36 sites; 7995 m) | 43 | 4584 | 0.009 | * | 816 | 0.005 | 0.52 (0.14 to 1.44) |
Sites with fences <100 m (nine sites; 399 m) | 9 | 1164 | 0.008 | * | 186 | 0.005 | 0.70 (0.02 to 5.02) |
Sites with fences ≥100 m (27 sites; 7596 m) | 34 | 3420 | 0.010 | * | 630 | 0.005 | 0.48 (0.09 to 1.52) |
1000 metre radius of site | |||||||
All sites (36 sites; 7995 m) | 93 | 4584 | 0.020 | 10 | 816 | 0.012 | 0.60 (0.28 to 1.16) |
Sites with fences <100 m (nine sites; 399 m)) | 18 | 1164 | 0.015 | * | 186 | 0.022 | 1.39 (0.34 to 4.22) |
Sites with fences ≥100 m (27 sites; 7596 m) | 75 | 3420 | 0.022 | * | 630 | 0.010 | 0.43 (0.15 to 0.99) † |
*Cell suppressed due to small cell count.
†Significant decrease.