Maternal characteristics at baseline visit
| Maternal characteristics | Control (n=140) | Severe PE (n=95) | p Value |
|---|---|---|---|
| Maternal age (years), median (IQR) | 31.0 (27.75–33.25) | 31.0 (28.0–34.0) | 0.88 |
| Maternal height (cm), median (IQR) | 165.0 (160.0–170.0) | 163.0 (160.0–168.0) | 0.13 |
| Maternal weight (kg), median (IQR) | |||
| Birth | 66.5 (58.0–77.0) | 68.0 (61.5–82.0) | 0.23 |
| Year 1 | 67.5 (59.4–81.0) | 71.95 (63.1–79.8) | 0.19 |
| Year 3 | 72.1 (63.4–90.3) | 68.7 (61.9–79.8) | 0.33 |
| Maternal BMI (kg/m2), median (IQR) | |||
| Birth | 24.2 (21.7–27.4) | 25.3 (21.8–30.5) | 0.09 |
| Year 1 | 25.3 (22.0–29.7) | 26.6 (23.0–30.5) | 0.08 |
| Year 3 | 26.0 (22.4–32.3) | 25.6 (22.7–30.3) | 0.68 |
| Maternal race, n (%) | |||
| White | 123 (87.9) | 76 (80.0) | 0.11 |
| Other | 17 (12.1) | 19 (20.0) | |
| Maternal education level, n (%) | |||
| High school or less | 9 (6.4) | 14 (14.7) | 0.11 |
| Postsecondary not complete | 16 (11.4) | 11 (11.6) | |
| Postsecondary complete | 115 (82.1) | 70 (73.7) | |
| Household income ($), n (%) | |||
| <29 999 | 8 (5.7) | 8 (8.4) | 0.01 |
| 30 000–59 999 | 17 (12.1) | 23 (24.2) | |
| 60 000–89 999 | 32 (22.9) | 26 (27.4) | |
| >90 000 | 77 (55.0) | 33 (34.7) | |
| Did not respond | 6 (4.3) | 5 (5.3) | |
| Maternal smoking, n (%) | |||
| Yes | 3 (2.1) | 5 (5.3) | 0.27 |
| No | 137 (97.9) | 90 (94.7) | |
| Parity, n (%) | |||
| Nulliparous | 65 (46.4) | 44 (46.3) | 1.00 |
| Multiparous | 75 (53.6) | 51 (53.7) | |
| Previous pregnancy with PE, n (%) | |||
| Yes | 0 (0.0) | 10 (10.5) | <0.0001 |
| No | 140 (100.0) | 85 (89.5) | |
| Mode of delivery, n (%) | |||
| Vaginal | 99 (70.7) | 30 (31.6) | <0.0001 |
| Caesarean | 41 (29.3) | 65 (68.4) | |
| Breast feeding | |||
| Total, n | 98 | 52 | |
| Yes, n (%) | 87 (88.8) | 50 (96.2) | 0.22 |
| Length of time (weeks), median (IQR) | 32 (20.0–48.0) | 28.0 (8.8–48.0) | 0.63 |
BMI, body mass index; PE, pre-eclampsia.