Table 1.
Maternal characteristics at baseline
| Characteristics | PRE n=2672 | POST n=2526 | P value |
|---|---|---|---|
| Age (y) | 29 (24–34) | 29 (34–34) | .17 |
| Gravity | 2 (1–4) | 2 (1–4) | .80 |
| Parity | 1 (0–2) | 1 (0–2) | .80 |
| Nulliparous | 942 (35.3) | 900 (35.6) | .84 |
| Prepregnancy BMI (kg/m2) | 27 (23–32) | 27 (23–32) | 1.00 |
| <25 | 896 (33.5) | 808 (32.0) | .06 |
| 25 to <30 | 814 (30.5) | 839 (33.2) | |
| 30 to <35 | 535 (20.0) | 480 (19.0) | |
| 35 to <40 | 248 (9.3) | 260 (10.3) | |
| ≥40 | 179 (6.7) | 139 (5.5) | |
| Previous cesarean delivery | 523 (19.6) | 466 (18.5) | .32 |
| Payer category | |||
| Medi-Cal or other Government | 2409 (90.2) | 2307 (91.3) | .26 |
| Private | 245 (9.2) | 200 (7.9) | |
| Self-pay | 18 (0.7) | 19 (0.8) | |
| Race and ethnicity | |||
| Non-Hispanic White | 211 (7.9) | 180 (7.1) | .04 |
| Non-Hispanic Black | 140 (5.2) | 111 (4.4) | |
| Hispanic | 1886 (70.6) | 1878 (74.3) | |
| Asian or Pacific Islander | 425 (15.9) | 345 (13.7) | |
| Other or unknown | 10 (0.4) | 12 (0.5) | |
| Diabetes mellitus | |||
| Pregestational type 1 or 2 | 65 (2.4) | 52 (2.1) | .42 |
| Gestational diabetes mellitus | 519 (19.4) | 580 (23.0) | .01 |
| Chronic hypertension | 81 (3.0) | 83 (3.3) | .66 |
The data are shown as median (interquartile range) or number (percentage).
BMI, body mass index.
Jelks. Embracing 39-week elective induction. Am J Obstet Gynecol Glob Rep 2023.