Variable | BMI | ||||||
---|---|---|---|---|---|---|---|
Normoweight n (%) | Overweight n (%) | Obesity type I n (%) | Obesity type II n (%) | Obesity type III n (%) | Total values n (%) | P - value* | |
Number of pregnancies | 0.006 | ||||||
One | 860 (53.5) | 1456 (53.5) | 611 (53.0) | 149 (50.9) | 50 (52.1) | 3126 (56.1) | χ2 = 7.4 |
Two | 562 (35.0) | 910 (33.4) | 356 (30.9) | 99 (33.8) | 31 (32.3) | 1658 (29.7) | df = 1 |
Three | 137 (8.5) | 232 (8.5) | 120 (10.4) | 33 (11.3) | 11 (11.5) | 533 (9.5) | |
Four | 36 (2.2) | 84 (3.1) | 39 (3.4) | 8 (2.7) | 2 (2.1) | 169 (3) | |
Five or more | 12 (0.7) | 40 (1.5) | 27 (2.3) | 4 (1.4) | 2 (2.1) | 85 (1.5) | |
Number of deliveries | < 0.001 | ||||||
None | 259 (16.1) | 595 (21.9) | 311 (27.0) | 98 (33.4) | 33 (34.4) | 1296 (22.1) | χ2 = 40.0 |
One | 869 (54.1) | 1391 (51.1) | 542 (47.0) | 132 (45.1) | 40 (41.7) | 2974 (50.7) | df = 1 |
Two | 422 (26.3) | 645 (23.7) | 261 (22.6) | 50 (17.1) | 20 (20.8) | 1398 (23.8) | |
Three | 48 (3.0) | 80 (2.9) | 33 (2.9) | 10 (3.4) | 3 (3.1) | 164 (2.8) | |
Four | 9 (0.6) | 10 (0.4) | 4 (0.3) | 1 (0.3) | 0 (0.0) | 24 (0.4) | |
Five or more | 0 (0.0) | 1 (0.0) | 2 (0.2) | 2 (0.7) | 0 (0.0) | 5 (0.0) | |
Twin pregnancy | 0.004 | ||||||
No | 1583 (98.5) | 2652 (97.4) | 1118 (97.0) | 284 (96.9) | 92 (95.8) | 5729 (97.6) | χ2 = 8.5 |
Yes | 24 (1.5) | 70 (2.6) | 35 (3.0) | 9 (3.1) | 4 (4.2) | 142 (2.4) | df = 1 |
Prematurity | 0.03 | ||||||
> 37 | 1472 (91.6) | 2557 (93.9) | 1065 (92.4) | 278 (94.9) | 93 (96.9) | 5465 (93.1) | χ2 = 4.5 |
< 37 | 135 (8.4) | 165 (6.1) | 88 (7.6) | 15 (5.1) | 3 (3.1) | 406 (6.9) | df = 1 |
Hypertensive states | < 0.001 | ||||||
No | 1550 (96.5) | 2568 (94.3) | 1032 (89.5) | 239 (81.6) | 77 (80.2) | 5466 (93.1) | χ2 = 130.7 |
Yes | 57 (3.5) | 154 (5.7) | 121 (10.5) | 54 (18.4) | 19 (19.8) | 405 (6.9) | df = 1 |
Gestational diabetes-diet | < 0.001 | ||||||
No | 1429 (88.9) | 2463 (90.5) | 988 (85.7) | 223 (76.1) | 75 (78.1) | 5178 (88.2) | χ2 = 39.7 |
Yes | 178 (11.1) | 259 (9.5) | 165 (14.3) | 70 (23.9) | 21 (21.9) | 693 (11.8) | df = 1 |
Gestational diabetes-insulin | < 0.001 | ||||||
No | 1575 (98.0) | 2660 (97.7) | 1124 (97.5) | 275 (93.9) | 89 (92.7) | 5723 (97.5) | χ2 = 16.1 |
Yes | 32 (2.0) | 62 (2.3) | 29 (2.5) | 18 (6.1) | 7 (7.3) | 148 (2.5) | df = 1 |
Hyperthyroidism | 0.34 | ||||||
No | 1528 (95.1) | 2601 (95.6) | 1100 (95.4) | 272 (92.8) | 90 (93.8) | 5591 (95.2) | χ2 = 0.9 |
Yes | 79 (4.9) | 121 (4.4) | 53 (4.6) | 21 (7.2) | 6 (6.3) | 280 (4.7) | df = 1 |
Hypothyroidism | 0.43 | ||||||
No | 1398 (87.0) | 2375 (87.3) | 984 (85.3) | 251 (85.7) | 86 (89.6) | 5094 (86.7) | χ2 = 0.6 |
Yes | 209 (13.0) | 347 (12.7) | 169 (14.7) | 42 (14.3) | 10 (10.4) | 777 (13.3) | df = 1 |
Anaemia | 0.03 | ||||||
No | 967 (60.2) | 1605 (59.0) | 732 (63.5) | 186 (63.5) | 63 (65.6) | 3553 (60.5) | χ2 = 4.5 |
Yes | 640 (39.8) | 1117 (41.0) | 421 (36.5) | 107 (36.5) | 33 (34.4) | 2318 (39.5) | df = 1 |
0.50 | |||||||
No | 1584 (98.6) | 2691 (98.9) | 1137 (98.6) | 291 (99.3) | 95 (99.0) | 5798 (98.7) | χ2 = 0.5 |
Yes | 23 (1.4) | 31 (1.1) | 16 (1.4) | 2 (0.7) | 1 (1.0) | 73 (1.3) | df = 1 |
Risk of preterm birth | 0.003 | ||||||
No | 1433 (89.2) | 2529 (92.9) | 1062 (92.1) | 276 (94.2) | 87 (90.6) | 5387 (91.7) | χ2 = 8.9 |
Yes | 174 (10.8) | 193 (7.1) | 91 (7.9) | 17 (5.8) | 9 (9.4) | 484 (8.2) | df = 1 |
Deep vein thrombosis | 0.75 | ||||||
No | 1580 (98.3) | 2695 (99.0) | 1138 (98.7) | 289 (98.6) | 92 (95.8) | 5794 (98.6) | χ2 = 0.1 |
Yes | 27 (1.7) | 27 (1.0) | 15 (1.3) | 4 (1.4) | 4 (4.2) | 77 (1.3) | df = 1 |
Oligohydramnios | 0.07 | ||||||
No | 1561 (97.1) | 2618 (96.2) | 1092 (94.7) | 285 (97.3) | 93 (96.9) | 5649 (96.2) | χ2 = 3.3 |
Yes | 46 (2.9) | 104 (3.8) | 61 (5.3) | 8 (2.7) | 3 (3.1) | 222 (3.8) | df = 1 |
Polyhydramnios | 0.001 | ||||||
No | 1502 (93.5) | 2480 (91.1) | 1037 (89.9) | 259 (88.4) | 82 (85.4) | 5360 (91.3) | χ2 = 18.8 |
Yes | 105 (6.5) | 242 (8.9) | 116 (10.1) | 34 (11.6) | 14 (14.6) | 511 (8.7) | df = 1 |
Composite pregnancy morbidity | 0.02 | ||||||
No | 621 (38.6) | 1051 (38.6) | 419 (36.3) | 93 (31.7) | 31 (32.3) | 2215 (37.7) | χ2 = 5.9 |
Yes | 986 (61.4) | 1671 (61.4) | 734 (63.7) | 200 (68.3) | 65 (67.7) | 3656 (62.3) | df = 1 |