Variable | Healthy adolescents (n = 48,573) | Suicide-ideation adolescents (n = 4003) | Suicide-plan adolescents (n = 1251) | Suicide-attempt adolescents (n = 1121) | χ2 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No | Weighted no | Weighted % | No | Weighted no | Weighted % | No | Weighted no | Weighted % | No | Weighted no | Weighted % | p | ||
Sex | Male | 25 | 1244 | 53.5 | 155 | 75,593 | 39.6 | 539 | 26,365 | 44.2 | 382 | 18,443 | 34.6 | 452.84 |
 |  | 880 | 439 |  | 2 |  |  |  |  |  |  |  |  |  |
 | Female | 22 | 1083 | 46.5 | 245 | 115,455 | 60.4 | 712 | 33,303 | 55.8 | 739 | 34,825 | 65.4 | *** |
 |  | 693 | 465 |  | 1 |  |  |  |  |  |  |  |  |  |
 | Middle | 25 | 1160 | 49.9 | 198 | 87,276 | 45.7 | 690 | 30,881 | 51.8 | 592 | 26,247 | 49.3 | 28.28 |
Education level | Â | 699 | 962 | Â | 0 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | High | 22 | 1166 | 50.1 | 202 | 103,772 | 54.3 | 561 | 28,787 | 48.2 | 529 | 27,021 | 50.7 | *** |
 |  | 874 | 942 |  | 3 |  |  |  |  |  |  |  |  |  |
 | Poor | 15 | 743,845 | 32.0 | 159 | 75,191 | 39.4 | 521 | 24,555 | 41.2 | 531 | 25,215 | 47.3 | 239.89 |
 |  | 567 |  |  | 8 |  |  |  |  |  |  |  |  |  |
Academic achievement | Middle | 14 | 713,371 | 30.6 | 105 | 50,541 | 26.5 | 339 | 16,152 | 27.1 | 271 | 12,896 | 24.2 | *** |
 |  | 916 |  |  | 9 |  |  |  |  |  |  |  |  |  |
 | High | 18 | 870,688 | 37.4 | 134 | 65,316 | 34.2 | 391 | 18,961 | 31.8 | 319 | 15,157 | 28.5 |  |
 |  | 090 |  |  | 6 |  |  |  |  |  |  |  |  |  |
 | Under high school | 8853 | 401,796 | 17.3 | 786 | 35,023 | 18.3 | 225 | 10,241 | 17.2 | 213 | 9738 | 18.3 | 9.77 |
Fathers’ education level |  | 20 | 997,547 | 42.9 | 168 | 83,770 | 43.8 | 509 | 25,588 | 42.9 | 421 | 21,623 | 40.6 |  |
 |  | 023 |  |  | 5 |  |  |  |  |  |  |  |  |  |
 | Unknown | 19 | 928,561 | 39.9 | 153 | 72,255 | 37.8 | 517 | 23,839 | 40.0 | 487 | 21,908 | 41.1 |  |
 |  | 697 |  |  | 2 |  |  |  |  |  |  |  |  |  |
 | Under high school | 10 | 46,541 | 2.0 | 962 | 44,336 | 23.2 | 266 | 12,279 | 20.6 | 262 | 12,792 | 24.0 | 33.88 |
Mothers’ education level |  | 166 |  |  |  |  |  |  |  |  |  |  |  |  |
 | College or higher | 19 | 976,940 | 42.0 | 160 | 78,578 | 41.1 | 481 | 23,833 | 39.9 | 423 | 0.549 | 38.6 | *** |
 |  | 695 |  |  | 8 |  |  |  |  |  |  |  |  |  |
 | Unknown | 18 | 881,423 | 37.9 | 143 | 68,134 | 35.7 | 504 | 23,556 | 39.5 | 436 | 19,927 | 37.4 |  |
 |  | 712 |  |  | 3 |  |  |  |  |  |  |  |  |  |
 | With family | 46 | 2244 | 96.4 | 377 | 181951 | 95.2 | 117 | 56,445 | 94.6 | 1 | 48,463 | 91.0 | 108.63 |
 |  | 379 | 820 |  | 2 |  |  | 0 |  |  | 011 |  |  |  |
Living arrangement | Without Family | 2194 | 83,084 | 3.6 | 231 | 9097 | 4.8 | 81 | 3223 | 5.4 | 110 | 4805 | 9.0 | *** |
Economic Status | Low | 5810 | 268,411 | 11.5 | 837 | 38,224 | 20.0 | 273 | 12,013 | 20.1 | 292 | 13,077 | 24.5 | 464.42 |
 | Middle | 23 | 1116 | 48.0 | 181 | 86389 | 45.2 | 556 | 26,273 | 44.0 | 447 | 21,166 | 39.7 | *** |
 |  | 582 | 796 |  | 2 |  |  |  |  |  |  |  |  |  |
 | High | 19 | 942,697 | 40.5 | 135 | 66436 | 34.8 | 422 | 21,383 | 35.8 | 382 | 19,025 | 35.7 |  |
 |  | 181 |  |  | 4 |  |  |  |  |  |  |  |  |  |
 | Not at all | 14 | 718,326 | 30.9 | 940 | 46,767 | 24.5 | 305 | 14,820 | 24.8 | 256 | 12,535 | 23.5 | 479.25 |
Economic status changed owing to COVID-19 | Â | 767 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Really | 19 | 939,020 | 40.3 | 153 | 73,861 | 38.7 | 430 | 20,294 | 34.0 | 357 | 16,852 | 31.6 | *** |
 |  | 518 |  |  | 6 |  |  |  |  |  |  |  |  |  |
 | Changed | 11 | 549,901 | 23.6 | 116 | 53,584 | 28.0 | 389 | 18,160 | 30.4 | 333 | 16,050 | 30.1 |  |
 |  | 698 |  |  | 3 |  |  |  |  |  |  |  |  |  |
 | Critically | 2590 | 120,658 | 5.2 | 364 | 16,837 | 8.8 | 127 | 6394 | 10.7 | 175 | 7831 | 14.7 |  |
Financial assistance | No | 43 | 2121 | 91.1 | 343 | 165,410 | 86.6 | 105 | 50,486 | 84.6 | 934 | 45,084 | 84.6 | 187.87 |
 |  | 961 | 168 |  | 7 |  |  | 3 |  |  |  |  |  |  |
 | Yes | 4612 | 206,736 | 8.9 | 566 | 25,638 | 13.4 | 198 | 9182 | 15.4 | 187 | 8184 | 15.4 | *** |
 | Adequate average | 15 | 745,642 | 32.0 | 671 | 31,280 | 16.4 | 244 | 11,509 | 19.3 | 188 | 9115 | 17.1 | 1046.1 |
 |  | 721 |  |  |  |  |  |  |  |  |  |  |  | 4 |
Sleep | Â | 16 | 795,703 | 34.2 | 126 | 60,185 | 31.5 | 344 | 16,039 | 26.9 | 302 | 14,316 | 26.9 | *** |
 |  | 750 |  |  | 0 |  |  |  |  |  |  |  |  |  |
 | Inadequa te | 16 | 786,559 | 33.8 | 207 | 99,582 | 52.1 | 663 | 32,121 | 53.8 | 631 | 29,837 | 56.0 |  |
 |  | 102 |  |  | 2 |  |  |  |  |  |  |  |  |  |
 | No | 43 | 2096 | 90.0 | 330 | 158675 | 83.1 | 102 | 48,923 | 82.0 | 769 | 36,822 | 69.1 | 705.07 |
Smoking | Â | 766 | 121 | Â | 8 | Â | Â | 4 | Â | Â | Â | Â | Â | Â |
 | Yes | 4807 | 231,783 | 10.0 | 695 | 32,373 | 16.9 | 227 | 10,745 | 18.0 | 352 | 16,447 | 30.9 | *** |
 | No | 33 | 1593 | 68.4 | 214 | 102,850 | 53.8 | 687 | 32,578 | 54.6 | 475 | 23,150 | 43.5 | 713.53 |
 |  | 285 | 087 |  | 4 |  |  |  |  |  |  |  |  |  |
Alcohol use | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Yes | 15 | 734,817 | 31.6 | 185 | 88,198 | 46.2 | 564 | 27,090 | 45.4 | 646 | 30,118 | 56.5 | *** |
 |  | 288 |  |  | 9 |  |  |  |  |  |  |  |  |  |
 | No | 48 | 2316 | 99.5 | 393 | 187,475 | 98.1 | 122 | 58,300 | 97.7 | 104 | 49,752 | 93.4 | 662.34 |
Drug use | Â | 346 | 576 | Â | 1 | Â | Â | 6 | Â | Â | 0 | Â | Â | Â |
 | Yes | 227 | 11,328 | 0.5 | 72 | 3573 | 1.9 | 25 | 1368 | 2.3 | 81 | 3516 | 6.6 | *** |
Smartphone overdependence | No | 37 | 1776 | 76.3 | 243 | 114,313 | 59.8 | 809 | 37,702 | 63.2 | 721 | 33,990 | 63.8 | 685.41 |
 |  | 209 | 021 |  | 4 |  |  |  |  |  |  |  |  |  |
 | Yes | 11 | 551883 | 23.7 | 156 | 76,735 | 40.2 | 442 | 21,966 | 36.8 | 400 | 19,278 | 36.2 | *** |