Table 2 Baseline characteristics of the training and testing datasets.
Testing dataset (2017 KYRBS) N = 42,814 | P-value | ||
|---|---|---|---|
Non-suicide attempt | Suicide attempt | ||
N = 41,844 | N = 970 | ||
Age, years | 15.19 ± 0.008 | 14.95 ± 0.057 | <0.001 |
Sex (female), n | 21,240 (50.8) | 636 (65.6) | <0.001 |
Breakfast consumption, n | 35,034 (83.7) | 758 (78.1) | <0.001 |
Experience of violence, n | 751 (1.8) | 106 (10.9) | <0.001 |
Sleep duration, hours | 6.13 ± 0.007 | 5.83 ± 0.051 | <0.001 |
Perceived stress, n | 15,349 (36.7) | 732 (75.5) | <0.001 |
Feelings of sadness, n | 10,114 (24.2) | 764 (78.8) | <0.001 |
Current cigarette smoking, n | 2,382 (5.7) | 146 (15.1) | <0.001 |
Current alcohol drinking, n | 6,645 (15.9) | 289 (29.8) | <0.001 |
Chronic allergic diseasesa ≥2 | 7,726 (17.4) | 192 (19.8) | <0.001 |
Perceived health status, n | <0.001 | ||
Excellent/good | 30,591 (73.1) | 464 (47.8) | |
Average | 8,722 (20.8) | 319 (32.9) | |
Fair/poor | 2,531 (6.0) | 187 (19.3) | |
Perceived academic record | <0.001 | ||
High | 18,156 (43.4) | 337 (34.7) | |
Middle | 11,966 (28.6) | 243 (25.1) | |
Low | 11,722 (28.0) | 390 (40.2) | |
Residential area | 0.563 | ||
Rural | 3,016 (7.2) | 62 (6.4) | |
Urban | 19,689 (47.1) | 461 (47.5) | |
Metropolitan | 19,139 (45.7) | 447 (46.1) | |
Household economic status | <0.001 | ||
High | 17,768 (42.5) | 382 (39.4) | |
Middle | 18,594 (44.4) | 374 (38.6) | |
Low | 5,482 (13.1) | 214 (22.1) | |
Maternal education level(college), n | 23,877 (59.0) | 506 (55.7) | 0.013 |
Paternal education level(college), n | 26,096 (62.4) | 570 (58.8) | <0.001 |
Living with biological or adoptive parent | <0.001 | ||
Living with both parents | 35,306 (84.4) | 728 (75.1) | |
Living with one parent | 5,509 (13.2) | 195 (20.1) | |
Other | 1,029 (2.5) | 47 (4.8) | |
