Table 1. Characteristics of 1991-2000 Birth Cohort (N = 908 064).
| Characteristic | No. (column %) | ||
|---|---|---|---|
| All (N = 908 064) | No parental death before finishing school (n = 885 430) | Parental death before finishing school (n = 22 634) | |
| Mean qualification point, mean (SD) | 213.8 (62.7) | 214.3 (62.4) | 193.8 (71.0) |
| Year of birth | |||
| 1991-1995 | 515 784 (56.8) | 502 586 (56.8) | 13 198 (58.3) |
| 1996-2000 | 392 280 (43.2) | 382 844 (43.2) | 9436 (41.7) |
| Sex | |||
| Girl | 443 608 (48.9) | 432 527 (48.8) | 11 081 (49.0) |
| Boy | 464 456 (51.1) | 452 903 (51.2) | 11 553 (51.0) |
| Birth order | |||
| First born | 368 231 (40.6) | 360 410 (40.7) | 7806 (34.5) |
| Second or third born | 479 665 (52.8) | 467 747 (52.8) | 11 924 (52.7) |
| Fourth or higher | 60 168 (6.6) | 57 273 (6.5) | 2904 (12.8) |
| Maternal educational level (in the year before birth) | |||
| Basic | 162 813 (17.9) | 156 707 (17.7) | 6106 (27.0) |
| Upper secondary | 341 542 (37.6) | 333 041 (37.6) | 8501 (37.6) |
| Tertiary | 403 709 (44.5) | 395 682 (44.7) | 8027 (35.5) |
| Paternal educational level (in the year before birth) | |||
| Basic | 184 762 (20.3) | 177 950 (20.1) | 6812 (30.1) |
| Upper secondary | 370 021 (40.7) | 361 219 (40.8) | 8802 (38.9) |
| Tertiary | 353 281 (38.9) | 346 261 (39.1) | 7020 (31.0) |
| Parental country of birth | |||
| Both Swedish born | 735 174 (81.0) | 718 184 (81.1) | 16 990 (75.1) |
| Born outside Sweden | |||
| Mother | 42 449 (4.7) | 40 937 (4.6) | 1512 (6.7) |
| Father | 47 424 (5.2) | 45 794 (5.2) | 1630 (7.2) |
| Both | 83 017 (9.1) | 80 515 (9.1) | 2502 (11.1) |
| Disposable family income per person (mother in the year before birth) | |||
| Highest quintile | 181 410 (20) | 177 816 (20.1) | 3594 (15.9) |
| Second | 180 676 (19.9) | 176 977 (20.0) | 3699 (16.3) |
| Third | 179 827 (19.8) | 175 785 (19.9) | 4042 (17.9) |
| Fourth | 177 812 (19.6) | 172 938 (19.5) | 4874 (21.5) |
| Lowest quintile | 188 339 (20.7) | 181 914 (20.5) | 6425 (28.4) |
| Maternal total No. of days in hospital in the year before birth | |||
| 0 | 794 181 (87.5) | 775 140 (87.5) | 19 041 (84.1) |
| ≤1 wk | 88 314 (9.7) | 85 747 (9.7) | 2567 (11.3) |
| >1 wk and ≤1 mo | 21 874 (2.4) | 21 031 (2.4) | 843 (3.7) |
| >1 mo | 3695 (0.4) | 3512 (0.4) | 183 (0.8) |
| Paternal total No. of days in hospital in the year before birth | |||
| 0 | 871 059 (95.9) | 850 421 (96.0) | 20 638 (91.2) |
| ≤1 wk | 31 019 (3.4) | 29 694 (3.4) | 1325 (5.9) |
| >1 wk and ≤1 mo | 5204 (0.6) | 4691 (0.5) | 513 (2.3) |
| >1 mo | 782 (0.1) | 624 (0.1) | 158 (0.7) |