Table 2.
Characteristics of the study population by suicidal ideation (2010–2013)
| Reference a | Suicidal ideation | p-value | |
|---|---|---|---|
| 9509 (88.8%) | 1199 (11.2%) | ||
| Sex | 0.00 | ||
| Men | 3368 (92.2%) | 286 (7.8%) | |
| Women | 6141 (87.1%) | 913 (12.9%) | |
| Age (mean), years | 42.2 ± 14.4 | 44.1 ± 16.7 | 0.00 |
| Age group | 0.00 | ||
| 19~ 29 | 1912 (87.5%) | 274 (12.5%) | |
| 30~ 39 | 2757 (90.8%) | 278 (9.2%) | |
| 40~ 49 | 2094 (90.5%) | 220 (9.5%) | |
| 50~ 59 | 1459 (87.8%) | 203 (12.2%) | |
| 60~ 69 | 793 (89.4%) | 94 (10.6%) | |
| ≥ 70 | 494 (79.2%) | 130 (20.8%) | |
| Blood pressure | 0.02 | ||
| Normotensive b | 7260 (89.2%) | 879 (10.8%) | |
| SBP < 110 mmHg | 6424 (88.8%) | 814 (11.2%) | |
| SBP < 100 mmHg | 2249 (87.5%) | 320 (12.5%) | |
| SBP < 95 mmHg | 942 (86.3%) | 149 (13.7%) | |
| SBP < 90 mmHg | 266 (83.4%) | 53 (16.6%) | |
| BMI (mean), kg/m2 | 22.6 ± 3.1 | 22.7 ± 3.6 | 0.50 |
| BMI, kg/m2 | 0.01 | ||
| < 18.5 | 672 (85.9%) | 110 (14.1%) | |
| ≥ 18.5, < 25 | 6871 (89.3%) | 825 (10.7%) | |
| ≥ 25 | 1947 (88.1%) | 262 (11.9%) | |
| Total cholesterol (mean), mg/ml | 184.2 ± 34.4 | 184.7 ± 35.6 | 0.66 |
| House income | 0.00 | ||
| Elementary school | 2137 (84.7%) | 387 (15.3%) | |
| Middle school | 2307 (88.6%) | 297 (11.4%) | |
| High school | 2418 (90.6%) | 252 (9.4%) | |
| College/University | 2564 (91.1%) | 249 (8.9%) | |
| Educational level | 0.00 | ||
| Low | 1049 (80.0%) | 262 (20.0%) | |
| Low to intermediate | 721 (86.9%) | 109 (13.1%) | |
| Intermediate to high | 3767 (89.2%) | 458 (10.8%) | |
| High | 3970 (91.5%) | 370 (8.5%) | |
| Marital status | 0.00 | ||
| Single | 2110 (86.2%) | 338 (13.8%) | |
| Married | 6818 (90.0%) | 756 (10.0%) | |
| Rejection response | 571 (84.6%) | 104 (15.4%) | |
| Current smoke | 0.01 | ||
| Yes | 1836 (87.1%) | 271 (12.9%) | |
| No | 7671 (89.2%) | 928 (10.8%) | |
| Alcohol intake | 0.02 | ||
| 1 drink</month | 3457 (89.0%) | 427 (11.0%) | |
| 1~ 4 drink /month | 3565 (89.5%) | 418 (10.5%) | |
| ≥ 2~ 3 drink /week | 1550 (87.1%) | 230 (12.9%) | |
| Depressed mood | 0.00 | ||
| Yes | 701 (54.3%) | 590 (45.7%) | |
| No | 8807 (93.5%) | 609 (6.5%) | |
| Stress perception | 0.00 | ||
| Yes | 2182 (75.8%) | 695 (24.2%) | |
| No | 7327 (93.6%) | 504 (6.4%) | |
| Diabetes mellitus | 0.01 | ||
| Yes | 271 (83.9%) | 52 (16.1%) | |
| No | 9238 (89.0%) | 1147 (11.0%) | |
| Stroke | 0.00 | ||
| Yes | 33 (71.7%) | 13 (28.3%) | |
| No | 9476 (88.9%) | 1186 (11.1%) | |
| MI/Angina pectoris | 0.04 | ||
| Yes | 93 (82.3%) | 20 (17.7%) | |
| No | 9416 (88.9%) | 1179 (11.1%) | |
| Depression | 0.00 | ||
| Yes | 84 (50.0%) | 84 (50.0%) | |
| No | 9425 (89.4%) | 1115 (10.6%) |
SBP Systolic Blood Pressure, BMI Body Mass Index
aReference: No suicidal ideation. b Normotensive: 100 ≤ SBP < 120 mmHg & DBP < 80 mmHg