|  | Overall, n = 2295 |  | Researcher/academic, n = 704 |  | Clerk/administration, n = 1244 |  | Technician/engineer, n = 347 |  | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Suicidal ideation | Yes | No | P value | Yes | No | P value | Yes | No | P value | Yes | No | P value | |
Variables |  | N = 178 (7.8%) | N = 2117 (92.2) | N = 46 (6.5) | N = 658 (93.5) | N = 106 (8.5) | N = 1138 (91.5) | N = 26 (7.5) | N = 321 (92.5) | ||||
Workplace Social Capital |  |  | <  0.001 |  |  | 0.003 |  |  | 0.023 |  |  | 0.053 | |
 High | 36 (7.4) | 450 (92.6) |  | 13 (7.6) | 158 (92.4) |  | 16 (6.9) | 217 (93.1) |  | 7 (8.5) | 75 (91.5) |  | |
 Mid-high | 34 (5.9) | 545 (94.1) |  | 10 (5.1) | 187 (94.9) |  | 19 (6.4) | 276 (93.6) |  | 5 (5.7) | 82 (94.3) |  | |
 Mid-low | 35 (5.5) | 601 (94.5) |  | 3 (1.9) | 159 (98.1) |  | 30 (7.7) | 359 (92.3) |  | 2 (2.4) | 83 (97.6) |  | |
 Low | 73 (12.3) | 521 (87.7) |  | 20 (11.5) | 154 (88.5) |  | 41 (12.5) | 286 (87.5) |  | 12 (12.9) | 81 (87.1) |  | |
Age group |  |  | <  0.001 |  |  | 0.421 |  |  | <  0.001 |  |  | 0.001 | |
 20–29 | 32 (13.1) | 213 (86.9) |  | 6 (10.3) | 52 (89.7) |  | 24 (15.6) | 130 (84.4) |  | 2 (6.1) | 31 (93.9) |  | |
 30–39 | 73 (11.3) | 573 (88.7) |  | 18 (7.2) | 232 (92.8) |  | 40 (13.2) | 264 (86.8) |  | 15 (16.3) | 77 (83.7) |  | |
 40–49 | 51 (6.2) | 767 (93.8) |  | 12 (4.8) | 238 (95.2) |  | 31 (6.9) | 416 (93.1) |  | 8 (6.6) | 113 (93.4) |  | |
 50–65 | 22 (3.8) | 564 (96.2) |  | 10 (6.8) | 136 (93.2) |  | 11 (3.2) | 328 (96.8) |  | 1 (1.0) | 100 (99.0) |  | |
Marital status |  |  | <  0.001 |  |  | 0.693 |  |  | <  0.001 |  |  | 0.141 | |
 Married | 83 (5.6) | 1409 (94.4) |  | 28 (6.0) | 439 (94.0) |  | 42 (5.3) | 749 (94.7) |  | 13 (5.6) | 221 (94.4) |  | |
 Never married | 78 (11.7) | 588 (88.3) |  | 16 (7.8) | 190 (92.2) |  | 51 (13.9) | 315 (86.1) |  | 11 (11.7) | 83 (88.3) |  | |
 Divorced/widowed | 17 (12.4) | 120 (87.6) |  | 2 (6.5) | 29 (93.5) |  | 13 (14.9) | 74 (85.1) |  | 2 (10.5) | 17 (89.5) |  | |
Educational attainment | Â | Â | 0.174 | Â | Â | 0.734 | Â | Â | 0.006 | Â | Â | 0.802a | |
 Graduate school | 50 (8.1) | 571 (91.9) |  | 29 (7.1) | 377 (92.9) |  | 10 (11.6) | 76 (88.4) |  | 11 (8.5) | 118 (91.5) |  | |
 University | 77 (9.1) | 773 (90.9) |  | 8 (4.7) | 163 (95.3) |  | 61 (11.2) | 483 (88.8) |  | 8 (5.9) | 127 (94.1) |  | |
 College etc. | 32 (6.3) | 472 (93.7) |  | 6 (7.0) | 80 (93.0) |  | 21 (5.8) | 344 (94.2) |  | 5 (9.4) | 48 (90.6) |  | |
 High school | 19 (5.9) | 301 (94.1) |  | 3 (7.3) | 38 (92.7) |  | 14 (5.6) | 235 (94.4) |  | 2 (6.7) | 28 (93.3) |  | |
Annual household income, JPY | Â | Â | 0.019 | Â | Â | 0.346 | Â | Â | 0.043 | Â | Â | 0.793 | |
 12 million or more | 18 (5.1) | 338 (94.9) |  | 7 (4.1) | 162 (95.9) |  | 6 (4.5) | 128 (95.5) |  | 5 (9.4) | 48 (90.6) |  | |
 8–12 million | 37 (6.1) | 568 (93.9) |  | 12 (6.3) | 177 (93.7) |  | 20 (6.2) | 304 (93.8) |  | 5 (5.4) | 87 (94.6) |  | |
 4–8 million | 71 (9.1) | 711 (90.9) |  | 19 (8.7) | 199 (91.3) |  | 43 (9.7) | 399 (90.3) |  | 9 (7.4) | 113 (92.6) |  | |
 4 million or less | 52 (9.4) | 500 (90.6) |  | 8 (6.3) | 120 (93.8) |  | 37 (10.8) | 307 (89.2) |  | 7 (8.8) | 73 (91.3) |  |