Table 1. Demographic and lifestyle characteristics and stressful life events of participants by suicide status during follow-up.
| Suicide (n = 520) | Possible suicide (n = 554) | No suicide (n = 511,641) | All (n = 512,715) | |
|---|---|---|---|---|
| Sociodemographic factors | ||||
| Age group (median age) N (%) | ||||
| 30–39 | (36.8a) 40 (7.7%) | (37.7) 42 (7.6%) | (37.4) 15.2% | (37.4) 15.1% |
| 40–49 | (44.4) 106 (20.4%) | (43.4) 116 (20.9%) | (44.5) 29.8% | (44.5) 29.8% |
| 50–59 | (55.1) 165 (31.7%) | (55.3) 161 (29.1%) | (54.5) 30.7% | (54.5) 30.7% |
| 60–69 | (65.3) 144 (27.7%) | (65.4) 145 (26.2%) | (64.6) 17.9% | (64.6) 17.9% |
| 70–79 | (72.9) 65 (12.5%) | (72.5) 90 (16.2%) | (72.3) 6.4% | (72.3) 21.6% |
| Female (%) | 253 (48.7%) | 212 (38.3%) | 302,045 (59.0%) | 302,510 (59.0%) |
| Rural residence (%) | 425 (79.8%) | 424 (76.5%) | 285,694 (55.8%) | 286,533 (55.9%) |
| Low education (<6 years) | 381 (73.3%) | 379 (68.4%) | 259,596 (50.7%) | 260,356 (50.8%) |
| Income (<¥10,000 [€1,300]) | 230 (44.2%) | 232 (41.9%) | 144,272 (28.2%) | 144,734 (28.2%) |
| Single | 96 (18.5%) | 108 (19.5%) | 48,047 (9.4%) | 48,251 (9.4%) |
| Living alone | 39 (7.5%) | 34 (6.1%) | 14,476 (2.8%) | 14,549 (2.8%) |
| Lifestyle factors | ||||
| Problem drinking | ||||
| Male | 19 (7.1%) | 31 (9.1%) | 12,807 (6.1%) | 12,857 (6.1%) |
| Female | 0 (0%) | 1 (0.5%) | 466 (0.2%) | 467 (0.2%) |
| Ever-regular smoker | ||||
| Male | 195 (73.0%) | 276 (80.7%) | 155,811 (74.3%) | 12,857 (74.3%) |
| Female | 10 (4.0%) | 12 (5.7%) | 9,776 (3.2%) | 9,798 (3.2%) |
| Low physical activity (MET <10) | 171 (32.9%) | 175 (31.6%) | 121,218 (23.7%) | 121,564 (23.7%) |
| Stressful life events | ||||
| Family-related events | 25 (4.8%) | 20 (3.6%) | 10,246 (2.0%) | 10,291 (2.0%) |
| Finance-related events | 7 (1.3%) | 2 (0.4%) | 5,790 (1.1%) | 5,961 (1.2%) |
| Family member with mental disorder diagnosis | 10 (1.9%) | 12 (2.2%) | 9,442 (1.8%) | 9,464 (1.8%) |
aMedian years of age.
MET, Metabolic Equivalent Task.