Table 1.
Sample characteristics.
| Pregnant women (n = 3326) | Postpartum women (n = 3939) | Total sample (n = 7265) | |
|---|---|---|---|
| Age (years), mean (SD) | 31.44 (4.97) | 32.18 (4.95) | 31.84 (4.97) |
| Missing, n (%) | 170 (5.1) | 155 (3.9) | 325 (4.5) |
| Education, n (%) | |||
| Secondary school level or lower | 861 (26.5) | 963 (24.9) | 1824 (25.6) |
| Higher education | 2390 (73.5) | 2901 (75.1) | 5291 (74.4) |
| Missing | 75 (2.3) | 75 (1.9) | 150 (2.1) |
| Living with a partner, n (%) | |||
| Yes | 3055 (94.1) | 3613 (93.7) | 6668 (93.9) |
| No | 192 (5.9) | 243 (6.3) | 435 (6.1) |
| Missing | 79 (2.4) | 83 (2.1) | 162 (2.2) |
| First pregnancy, n (%) | |||
| Yes | 1918 (57.7) | 2232 (56.7) | 4150 (57.1) |
| No | 1407(42.3) | 1705 (43.3) | 3112 (42.8) |
| Missing | 1 (0.0) | 2 (0.1) | 3 (0.0) |
| Infant age (days), mean (SD) | 95.05 (51.06) | ||
| <1 month, n (%) | 463 (12.2) | ||
| 1 month, n (%) | 639 (16.9) | ||
| 2 months, n (%) | 739 (19.5) | ||
| 3 months, n (%) | 713 (18.8) | ||
| 4 months, n (%) | 581 (15.3) | ||
| 5 months, n (%) | 475 (12.5) | ||
| 6 months, n (%) | 177 (4.7) | ||
| Missing, n (%) | 152 (3.9) | ||
| Weeks of gestation, mean (SD) | 27.24 (8.55) | ||
| 1st trimester, n (%) | 197 (6.1) | ||
| 2nd trimester, n (%) | 876 (27.1) | ||
| 3rd trimester, n (%) | 2159 (66.8) | ||
| Missing, n (%) | 94 (2.8) | ||
| Country, n (%) | |||
| Brazil | 268 (8.1) | 597 (15.2) | 865 (11.9) |
| Chile | 172 (5.2) | 272 (6.9) | 444 (6.1) |
| Cyprus | 220 (6.6) | 249 (6.3) | 469 (6.5) |
| Greece | 337 (10.1) | 376 (9.5) | 713 (9.8) |
| Israel | 218 (6.6) | 335 (8.5) | 553 (7.6) |
| Portugal | 753 (22.6) | 669 (17.0) | 1422 (19.6) |
| Spain | 353 (10.6) | 475 (12.1) | 828 (11.4) |
| Turkey | 806 (24.2) | 620 (15.7) | 1426 (19.6) |
| UK | 199 (6.0) | 346 (8.8) | 545 (7.5) |
Notes: Percentages excluding missing values. UK = United Kingdom. Weeks of gestation were calculated based on pregnant participants' expected date of childbirth and the date the questionnaire was completed.