Table 1.
Baseline characteristics and hospitalisation in relation to non-violent and violent criminality
| No crime | Non-violent criminality | Violent criminality | χ2, Probability* | |
|---|---|---|---|---|
| Fathers’ social class | ||||
| III | 15 433 (47.67) | 7146 (50.38) | 1321 (58.07) | |
| I–II | 15 680 (48.43) | 6133 (43.24) | 739 (32.48) | 204.72, <0.0001 |
| Missing† | 1262 (3.90) | 904 (6.37) | 215 (9.45) | |
| Medication for nervous problems in the family | ||||
| Yes (parents or other family members) | 9747 (30.11) | 4897 (34.53) | 918 (40.35) | |
| No | 21 698 (67.02) | 8738 (61.61) | 1231 (54.11) | 201.34, <0.0001 |
| Missing | 931 (2.88) | 548 (3.86) | 126 (5.54) | |
| Conduct problems at school | ||||
| Yes (at least once) | 5726 (17.69) | 4743 (33.44) | 1188 (52.22) | |
| No | 26 352 (81.39) | 9226 (65.05) | 1034 (45.45) | 2470.41, <0.0001 |
| Missing | 298 (0.92) | 214 (1.51) | 53 (2.33) | |
| Taken medication for psychiatric problems | ||||
| Yes | 3217 (9.94) | 1858 (13.10) | 456 (20.04) | |
| No | 28 821 (89.02) | 12 087 (85.22) | 1757 (77.23) | 29 335, <0.0001 |
| Missing | 338 (1.04) | 238 (1.68) | 62 (2.73) | |
| Emotional control | ||||
| Very bad, bad | 8677 (26.8) | 4941 (34.84) | 1135 (49.89) | |
| Very good, good, medium | 23 471 (72.6) | 9094 (64.12) | 1097 (48.22) | 769.81, <0.0001 |
| Missing | 228 (0.70) | 148 (1.04) | 43 (1.89) | |
| Intellectual capacity | ||||
| Below average | 5190 (16.03) | 3296 (23.24) | 812 (35.69) | |
| Above average, average | 27 145 (83.84) | 10 859 (76.56) | 1457 (64.04) | 764.81, <0.0001 |
| Missing | 41 (0.13) | 28 (0.20) | 6 (0.26) | |
| Psychiatric diagnosis (at conscription) | ||||
| Yes (at least one diagnosis) | 3151 (9.73) | 2251 (15.87) | 679 (29.85) | |
| No | 28 679 (88.58) | 11 639 (82.06) | 1559 (68.53) | 1008.59, <0.0001 |
| Missing | 546 (1.69) | 293 (2.07) | 37 (1.63) | |
| Contact with police and juvenile authorities | ||||
| Yes (several or some times) | 6726 (20.77) | 5585 (39.38) | 1458 (64.09) | |
| No | 25 208 (77.86) | 8314 (58.62) | 754 (33.14) | 3305.72, <0.0001 |
| Missing | 442 (1.37) | 284 (2.00) | 63 (2.77) | |
| Risky alcohol use | ||||
| Yes | 2683 (8.29) | 2807 (19.79) | 901 (39.60) | |
| No | 29 279 (90.43) | 11 119 (78.40) | 1310 (57.58) | 2681.86, <0.0001 |
| Missing | 414 (1.28) | 257 (1.81) | 64 (2.91) | |
| Dug misuse | ||||
| Yes | 585 (1.81) | 919 (6.48) | 248 (10.9) | |
| No | 30 410 (94.00) | 12 533 (88.37) | 1864 (81.93) | 1063, 23, <0.0001 |
| Missing | 1381 (4.27) | 731 (5.15) | 163 (7.16) | |
| Sniffing | ||||
| At least once | 3187 (9.84) | 2614 (18.43) | 673 (29.58) | |
| No | 28 756 (88.82) | 11 259 (79.38) | 1520 (66.81) | 1234.54, <0.0001 |
| Missing | 433 (1.34) | 310 (2.19) | 82 (3.60) | |
| Hospitalisation | ||||
| Alcohol hospitalisation | ||||
| Yes (at least once) | 571 (1.76) | 1524 (10.75) | 727 (31.96) | |
| No | 31 805 (98.24) | 12 659 (89.25) | 1548 (68.04) | 4464.28, <0.00001 |
| Drug use hospitalisation | ||||
| Yes (at least once) | 50,(0.15) | 352 (2.48) | 265 (11.65) | |
| No | 32 326 (99.85) | 13 831 (97.52) | 2010 (88.35) | 2269.25, <0.00001 |
| Hospitalisation for suicide attempts | ||||
| Yes (at least once) | 303 (0.94) | 581 (4.10) | 308 (13.54) | |
| No | 32 073 (99.06) | 13 602 (95.90) | 1967 (86.46) | 1647.76, <0.0001 |
*p Value calculated for non-missing observations.
†No answers were given to this item.