Variable | BMI | ||||||
---|---|---|---|---|---|---|---|
Normoweight n (%) | Overweight n (%) | Obesity type I n (%) | Obesity type II n (%) | Obesity type III n (%) | Total Values n (%) | P - value* | |
Maternal age | < 0.001 | ||||||
< 25 years | 38 (2.4) | 60 (2.2) | 34 (2.9) | 10 (3.4) | 7 (7.3) | 239 (4) | χ2 = 16.2 |
25–35 | 938 (58.4) | 1545 (56.8) | 697 (60.5) | 192 (65.5) | 66 (68.8) | 3438 (57.6) | df = 1 |
> 35 years | 631 (39.3) | 1117 (41.0) | 422 (36.6) | 91 (31.1) | 23 (24.0) | 2284 (38.3) | |
Level of education | < 0.001 | ||||||
None | 0 (0.0) | 4 (0.1) | 2 (0.2) | 2 (0.7) | 0 (0.0) | 8 (0.1) | χ2 = 99.9 |
Primary | 28 (1.7) | 48 (1.8) | 21 (1.8) | 6 (2.0) | 3 (3.1) | 106 (1.8) | df = 1 |
Secondary | 340 (21.2) | 715 (26.3) | 379 (32.9) | 132 (45.1) | 45 (46.9) | 1611 (27.4) | |
University | 1239 (77.1) | 1955 (71.8) | 751 (65.1) | 153 (52.2) | 48 (50.0) | 4146 (70.6) | |
Monthly family income (euros) | < 0.001 | ||||||
< 1000 | 81 (5.0) | 139 (5.1) | 74 (6.4) | 30 (10.2) | 9 (9.4) | 333 (5.7) | χ2 = 69.4 |
1000–2000 | 469 (29.2) | 891 (32.7) | 416 (36.1) | 128 (43.7) | 45 (46.9) | 1849 (32) | df = 1 |
2000–3000 | 571 (35.5) | 924 (33.9) | 397 (34.4) | 83 (28.3) | 29 (30.2) | 2004 (34.7) | |
3000–4000 | 331 (20.6) | 533 (19.6) | 202 (17.5) | 41 (14.0) | 9 (9.4) | 1116 (19.3) | |
> 4000 | 155 (9.6) | 235 (8.6) | 64 (5.6) | 11 (3.8) | 4 (4.2) | 469 (8.1) | |
Nationality | 0.91 | ||||||
Spanish | 1508 (93.8) | 2557 (93.9) | 1076 (93.3) | 276 (94.2) | 92 (95.8) | 5509 (93.8) | χ2 = 0.01 |
Foreign | 99 (6.2) | 165 (6.1) | 77 (6.7) | 17 (5.8) | 4 (4.2) | 362 (6.2) | df = 1 |
Attendance to maternal education | 0.36 | ||||||
No | 375 (23.3) | 602 (22.1) | 271 (23.5) | 61 (20.8) | 35 (36.5) | 1344 (22.8) | χ2 = 0.86 |
Yes | 1232 (76.7) | 2120 (77.9) | 882 (76.5) | 232 (79.2) | 61 (63.5) | 4527 (77.2) | df = 1 |
Pre-pregnancy smoking habits | < 0.001 | ||||||
No | 1296 (80.6) | 2104 (77.3) | 834 (72.3) | 201 (68.6) | 69 (71.9) | 4504 (76.7) | χ2 = 36.1 |
Yes | 311 (19.4) | 618 (22.7) | 319 (27.7) | 92 (31.4) | 27 (28.1) | 1367 (23.3) | df = 1 |