Table 3.
Descriptive characteristics of suicide cases inside and outside both significant spatial high-risk suicide clusters
| Within Most Likely High-Risk Spatial Cluster (column % of Suicides within cluster) | Rest of Kentucky (column % of Suicides outsides outside cluster) | Pearson χ2 (df) | Within Secondary High-risk Spatial Cluster (column % of Suicides within cluster) | Rest Kentucky (column % of Suicides outside cluster) | Pearson χ2 (df) | |
|---|---|---|---|---|---|---|
| Counties | Ballard, Carlisle, Graves, Hickman, Livingston, Marshall, McCracken | - | Breckinridge, Daviess, Grayson, Hancock, Henderson, McLean, Meade, Ohio | - | ||
| Age* | ||||||
| Average age (SD) | 48.9 (18.8) | 45.2 (17.5) | 3.190, p < 0.01 (309) | 45.5 (16.1) | 45.4 (17.7) | -0.09, p = 0.932 (459) |
| Average Age of Males (SD) | 49.3 (19.2) | 45.4 (18.0) | 2.92, p < 0.01 (250) | 45.7 (16.7) | 45.6 (18.2) | -0.0633, p = 0.950 (382) |
| Average Age of Females (SD) | 47.1 (17) | 44.1 (15.3) | -1.12, p = 0.267 (57) | 44.3 (12.4) | 44.3 (15.6) | 0.023, p = 0.982 (75) |
| Age category | ||||||
| 10-14 yrs | 1 (0.35) | 24 (0.48) | 28.264, p = 0.020 (15) | 0 (0) | 25 (0.52) | 30.783, p = 0.009 (15) |
| 15-19 yrs | 15 (5.3) | 210 (4.2) | 12 (3.1) | 213 (4.4) | ||
| 20-24 yrs | 16 (5.6) | 363 (7.3) | 21 (5.5) | 358 (7.4) | ||
| 25-29 yrs | 13 (4.6) | 434 (8.8) | 30 (7.8) | 417 (8.6) | ||
| 30-34 yrs | 19 (6.7) | 442 (8.9) | 32 (8.4) | 429 (8.4) | ||
| 35-39 yrs | 28 (9.9) | 539 (10.9) | 44 (11.5) | 523 (10.8) | ||
| 40-44 yrs | 31 (11.0) | 590 (11.9) | 66 (17.2) | 555 (11.4) | ||
| 45-49 yrs | 29 (10.2) | 559 (11.3) | 37 (9.7) | 551 (11.4) | ||
| 50-54 yrs | 34 (12.0) | 448 (9.0) | 48 (12.5) | 434 (8.9) | ||
| 55-59 yrs | 23 (8.1) | 342 (6.9) | 24 (6.3) | 341 (7.0) | ||
| 60-64 yrs | 14 (4.9) | 244 (4.9) | 23 (6.0) | 235 (4.8) | ||
| 65-69 yrs | 13 (4.6) | 208 (4.2) | 11 (2.9) | 210 (4.3) | ||
| 70-74 yrs | 10 (3.5) | 168 (3.4) | 10 (2.6) | 168 (3.5) | ||
| 75-79 yrs | 13 (4.6) | 149 (3.0) | 5 (1.3) | 157 (3.2) | ||
| 80-84 yrs | 15 (5.3) | 137 (2.8) | 14 (3.7) | 138 (2.8) | ||
| 85-98 yrs | 9 (3.2) | 97 (2.0) | 6 (1.6) | 100 (2.1) | ||
| Total Suicides | 283 (100) | 4,954 (100) | 383 (100) | 4854 (100) | ||
| Suicide Method | ||||||
| Self-poisoning (X60-X69) | 34 (12) | 614 (12) | 4.569, p = 0.206 (3) | 74 (19) | 574 (12) | 21.027, p < 0.001 (3) |
| Hanging, strangulation, suffocation, drowning and submersion (X70-X71) | 43 (15) | 861 (17) | 55 (14) | 849 (17) | ||
| Firearm (X72-X74) | 202 (71) | 3,315 (67) | 247 (64) | 3,270 (67) | ||
| All other methods (X75-X84, Y87) | 4 (1) | 164 (3) | 7 (2) | 161 (3) | ||
| Total Suicides | 283 (100) | 4,954 (100) | 383 (100) | 4,854 (100) | ||
| Cumulative incidence rates per 100,000 persons | ||||||
| Average (SD) | 17.6 (2.9) | 12.4 (4.1) | 14.5 (2.5) | 12.5 (4.2) | ||
| Median | 18.5 | 12.3 | 14.6 | 12.3 | ||
| Range | 12.4-21.6 | 0-27.6 | 10.2-18.2 | 0-27.6 |
*t-test for unequal variances used