Table 1 Characteristics of the study population
From: Celiac disease and upper secondary school achievement in Sweden A retrospective cohort study
Characteristics | Celiac disease population, n (%) | Non-celiac disease population, n (%) | P-value |
|---|---|---|---|
Population | 3 257 (0.4) | 730 817 (99.6) | |
Sex | |||
Male | 1 225 (37.6) | 375 618 (51.4) | |
Female | 2 032 (62.4) | 355 199 (48.6) | < 0.001 |
Year of birth | |||
1991 to 1994 | 1 997 (61.3) | 455 632 (62.3) | |
1995 to 1997 | 1 260 (38.7) | 275 185 (37.7) | 0.225 |
Living region at 17 years | |||
East part of Sweden | 1 084 (33.3) | 270 073 (37.2) | |
South part of Sweden | 1 683 (51.8) | 317 760 (43.8) | |
North part of Sweden | 485 (14.9) | 137 492 (19.0) | < 0.001 |
Apgar score 5 min | |||
7 till 10 | 3 215 (98.7) | 716 196 (98.0) | |
< 7 | 42 (1.3) | 14 621 (2.0) | 0.004 |
Small for gestational age | |||
No | 2 141 (89.1) | 655 121 (90.0) | |
Yes | 262 (10.9) | 72 689 (10.0) | 0.135 |
Low birth weight | |||
No | 2 316 (96.3) | 697 133 (95.7) | |
Yes | 89 (3.7) | 31 643 (4.3) | 0.123 |
Parental education | |||
Compulsory school ≤ 9 years or Upper secondary school | 1 525 (46.9) | 365 658 (50.2) | |
University studies < 3 years | 670 (20.6) | 141 928 (19.5) | |
University studies ≥ 3 years (including Ph.D.) | 1 054 (32.4) | 221 329 (30.4) | 0.001 |
Parental total income | |||
Low | 631 (20.3) | 172 171 (25.0) | |
Average | 1 644 (52.7) | 343 835 (50.0) | |
High | 842 (27.0) | 171 947 (25.0) | < 0.001 |