|
T1DM, N= 4092 |
Reference group, N=905 565 |
|
Primipara |
Multipara |
Primipara |
Multipara |
Maternal characteristics |
|
Age, years* |
28 (25-32) |
32 (28-35) |
28 (25-31) |
31 (28-35) |
Nordic |
1746 (94.3) |
2028(90.5) |
340 758 (84.7) |
415 794 (82.6) |
Living with partner |
1563 (84.4) |
1968 (87.8) |
350 203 (87.0) |
455 007 (90.4) |
Smoking in early pregnancy |
315 (17.0) |
341 (15.2) |
76 297 (19.0) |
70 023 (13.9) |
Body mass index* |
24.7 (22.7-27.7) |
25.5 (23.2-29.3) |
23.1 (21.2-25.8) |
23.9 (21.7-26.8) |
Height, cm* |
167 (162-171) |
166 (162-170) |
167 (162-171) |
167 (162-170) |
Infant characteristics |
|
|
|
|
Male |
926 (50.0) |
1162 (51.9) |
207 225 (51.5) |
258 815 (51.4) |
Gestational age, weeks* |
38 (37-39) |
38 (37-39) |
40 (39-41) |
40 (39-40) |
Preterm birth (<37 weeks) |
450 (24.3) |
466 (20.8) |
24 653 (6.1) |
20 087 (4.0) |
Birth weight* |
3665
(3185-4122) |
3900
(3450-4340) |
3475
(3145-3810) |
3640
(3305-3980) |
Birth length* |
50 (49-52) |
51 (49-52) |
50 (49-52) |
51 (49-52) |
Mode of delivery |
|
|
|
|
Cesarean section |
1025 (55.4) |
1063 (47.5) |
70 610 (17.6) |
68 311 (13.6) |
Ventouse /forceps |
325 (17.6) |
108 (4.8) |
54 396 (13.5) |
14 106 (2.8) |
*Comparisons were made using the Mann Whitney U test. *Numbers are medians and interquartile ranges. |