TABLE 2.
General characteristics of women at 6–8 weeks after delivery and obstetrical data during this pregnancy; N = 1,516.
| Characteristic variable | Percentage and incidence rate (%,n/N) | Range | Mean ± SD |
|---|---|---|---|
| Delivery age (years) | |||
| ≤25 | 17.2 (261/1,516) | 19–49 | 28.8 ± 3.9 |
| 26 ≤ 30 | 56.8 (861/1,516) | ||
| 31 ≤ 35 | 18.5 (280/1,516) | ||
| 36 ≤ 40 | 6.8 (103/1,516) | ||
| >40 | 0.7 (11/1,516) | ||
| BMI (kg/m2) | |||
| ≤18.4 | 2.4 (37/1,516) | 16.0–37.5 | 23.5 ± 3.1 |
| 18.5 ≤ 24.9 | 69.3 (1,051/1,516) | ||
| 25 ≤ 29.9 | 24.5 (372/1,516) | ||
| >30 | 3.7 (56/1,516) | ||
| Gravidity (time) | |||
| 1 | 56.7 (860/1,516) | 1–8 | 1.7 ± 1.0 |
| 2 | 24.2 (367/1,516) | ||
| 3 | 12.5 (190/1,516) | ||
| ≥4 | 6.5 (99/1,516) | ||
| Parity (time) | |||
| 1 | 73.5 (1,115/1,516) | 1–4 | 1.3 ± 0.5 |
| 2 | 25.7 (390/1,516) | ||
| 3 | 0.7 (10/1,516) | ||
| ≥4 | 0.0 (1/1,516) | ||
| Delivery mode | |||
| Vaginal delivery | 58.2 (883/1,516) | — | — |
| Cesarean section(633/1,516) | 41.8 | ||
| Fetal birth weight (kg) | |||
| <2.5 | 4.0 (60/1,516) | 1.2–5.1 | 3.3 ± 0.5 |
| 2.5–4.0 | 88.4 (1,340/1,516) | ||
| ≥4.0 | 7.7 (116/1,516) | ||
Note: SD, standard deviation; BMI, body mass index. Data are presented as a percentage of the total number (%, n/N), range, and mean ± standard deviation (mean ± SD).