Table 2 Bivariate analysis of the factors associated with suicidal behaviours
Variable | Suicidal Ideation (n = 682) | Suicidal planning (n = 928) | Suicidal attempt (n = 861) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
No | Yes | χ2 | p-value | No | Yes | χ2 | p-value | No | Yes | χ2 | p-value | |
n (%) | n (%) | Â | Â | n (%) | n (%) | Â | Â | n (%) | n (%) | Â | Â | |
Demographics | ||||||||||||
 Gender |  |  | 0.72 | .397 |  |  | 0.46 | .499 |  |  | 0.04 | .843 |
 Male | 973 (74.5) | 333 (25.5) |  |  | 821 (63.3) | 476 (36.7) |  |  | 861 (66.2) | 439 (33.8) |  |  |
 Female | 849 (73.0) | 314 (27.0) |  |  | 745 (64.6) | 408 (35.4) |  |  | 772 (66.6) | 387 (33.4) |  |  |
 Age (in years) |  |  | 21.24 | <.001 |  |  | 11.39 | .001 |  |  | 19.85 | <.001 |
 ≤ 17 years | 957 (77.7) | 275 (22.3) |  |  | 833 (67.1) | 408 (32.9) |  |  | 874 (70.5) | 366 (29.5) |  |  |
 ≥ 18 years | 869 (69.5) | 381 (30.5) |  |  | 746 (60.6) | 485 (39.4) |  |  | 771 (62.0) | 472 (38.0) |  |  |
 School grade |  |  | 0.18 | .673 |  |  | 0.53 | .468 |  |  | 0.80 | .371 |
 Grade 7 to 9 | 1037 (73.6) | 371 (26.4) |  |  | 898 (64.1) | 503 (35.9) |  |  | 937 (67.0) | 461 (33.0) |  |  |
 Grade 10 to 12 | 807 (72.9) | 300 (27.1) |  |  | 694 (62.7) | 413 (37.3) |  |  | 731 (65.3) | 388 (34.7) |  |  |
Personal factors | ||||||||||||
 Alcohol drunkenness |  | 15.41 | <.001 |  |  | 4.77 | .029 |  |  | 49.66 | <.001 | |
 Yes | 310 (67.7) | 148 (32.3) |  |  | 269 (60.5) | 176 (39.5) |  |  | 249 (53.5) | 216 (46.5) |  |  |
 No | 1422 (76.6) | 435 (23.4) |  |  | 1228 (66.0) | 634 (34.0) |  |  | 1308 (70.7) | 542 (29.3) |  |  |
 Leisure-time sedentary behaviour | 3.00 | .083 |  |  | 4.85 | .028 |  |  | 14.10 | <.001 | ||
 ≥ 3 h/day | 324 (71.5) | 129 (28.5) |  |  | 273 (60.5) | 178 (39.5) |  |  | 280 (59.8) | 188 (40.2) |  |  |
 < 3 h/day | 1397 (75.5) | 454 (24.5) |  |  | 1220 (66.1) | 627 (33.9) |  |  | 1273 (69.0) | 573 (31.0) |  |  |
 Cannabis use |  |  | 35.42 | <.001 |  |  | 18.79 | <.001 |  |  | 116.7 | <.001 |
 Yes | 96 (56.5) | 74 (43.5) |  |  | 81 (50.0) | 81 (50.0) |  |  | 58 (32.6) | 120 (67.4) |  |  |
 No | 1600 (76.9) | 480 (23.1) |  |  | 1396 (66.8) | 694 (32.2) |  |  | 1489 (71.7) | 587 (28.3) |  |  |
School factors | ||||||||||||
 Physical attack |  |  | 15.85 | <.001 |  |  | 23.64 | <.001 |  |  | 69.07 | <.001 |
 Yes | 994 (70.4) | 418 (29.6) |  |  | 842 (59.7) | 568 (40.3) |  |  | 848 (59.6) | 575 (40.4) |  |  |
 No | 834 (77.5) | 242 (22.5) |  |  | 741 (69.2) | 330 (30.8) |  |  | 809 (75.5) | 263 (24.5) |  |  |
 Truancy |  |  | 2.05 | .152 |  |  | 1.46 | .227 |  |  | 25.37 | <.001 |
 Yes | 764 (73.0) | 282 (27.0) |  |  | 669 (63.6) | 383 (36.4) |  |  | 661 (62.2) | 401 (37.8) |  |  |
 No | 954 (75.7) | 307 (24.3) |  |  | 829 (66.0) | 427 (34.0) |  |  | 908 (72.1) | 352 (27.1) |  |  |
 Peer support |  |  | 0.97 | .324 |  |  | 0.01 | .948 |  |  | 0.01 | .966 |
 Yes | 633 (75.7) | 203 (24.3) |  |  | 542 (64.8) | 295 (35.2) |  |  | 565 (67.2) | 276 (32.8) |  |  |
 No | 1056 (73.8) | 374 (26.2) |  |  | 926 (64.9) | 501 (35.1) |  |  | 968 (67.3) | 471 (32.7) |  |  |
 Close friends |  |  | 13.76 | <.001 |  |  | 9.19 | .002 |  |  | 0.80 | .370 |
 Yes | 1627 (74.8) | 547 (25.2) |  |  | 1412 (65.2) | 755 (34.8) |  |  | 1455 (67.0) | 718 (33.0) |  |  |
 No | 195 (64.8) | 106 (35.2) |  |  | 171 (56.3) | 133 (43.7) |  |  | 197 (64.4) | 109 (35.6) |  |  |
 Bullying victimisation |  | 52.95 | <.001 |  |  | 33.32 | <.001 |  |  | 160.5 | <.001 | |
 Yes | 718 (66.3) | 365 (33.7) |  |  | 620 (58.2) | 445 (41.8) |  |  | 583 (53.3) | 511 (46.7) |  |  |
 No | 897 (80.0) | 224 (20.0) |  |  | 794 (70.0) | 340 (30.0) |  |  | 888 (78.7) | 240 (21.3) |  |  |
Family factors | ||||||||||||
 Parental supervision |  | 0.01 | .968 |  |  | 0.06 | .801 |  |  | 0.03 | .854 | |
 Yes | 782 (74.5) | 268 (25.5) |  |  | 675 (64.4) | 374 (35.6) |  |  | 708 (67.1) | 348 (32.9) |  |  |
 No | 933 (74.4) | 321 (25.6) |  |  | 810 (64.9) | 439 (35.1) |  |  | 850 (67.4) | 411 (32.6) |  |  |
 Parental understanding |  | 0.25 | .616 |  |  | 7.02 | .008 |  |  | 4.63 | .031 | |
 Yes | 709 (75.3) | 233 (24.7) |  |  | 637 (67.9) | 301 (32.1) |  |  | 654 (69.7) | 285 (30.3) |  |  |
 No | 979 (74.3) | 338 (25.7) |  |  | 820 (62.5) | 492 (37.5) |  |  | 869 (65.3) | 461 (34.7) |  |  |
 Parental monitoring |  | 0.39 | .535 |  |  | 9.38 | .002 |  |  | 4.12 | .042 | |
 Yes | 649 (75.6) | 209 (24.4) |  |  | 590 (69.3) | 261 (30.7) |  |  | 601 (70.4) | 253 (29.6) |  |  |
 No | 1018 (74.5) | 349 (25.5) |  |  | 855 (63.0) | 503 (37.0) |  |  | 910 (66.2) | 464 (33.8) |  |  |
 Food insecurity |  |  | 8.55 | .003 |  |  | 27.88 | <.001 |  |  | 23.18 | <.001 |
 Yes | 271 (67.6) | 130 (32.4) |  |  | 211 (52.2) | 193 (47.8) |  |  | 225 (56.3) | 175 (43.7) |  |  |
 No | 1544 (74.6) | 525 (25.4) |  |  | 1361 (66.0) | 700 (34.0) |  |  | 1421 (68.7) | 649 (31.3) |  |  |
 Parent intrusion of privacy |  | 0.31 | .577 |  |  | 2.43 | .119 |  |  | 8.77 | .003 | |
 Yes | 331 (73.4) | 120 (26.6) |  |  | 279 (61.6) | 174 (38.4) |  |  | 283 (61.3) | 179 (38.7) |  |  |
 No | 1368 (74.7) | 464 (25.3) |  |  | 1196 (65.5) | 630 (34.5) |  |  | 1257 (68.5) | 578 (31.5) |  |  |