Table 1.
Demographic Characteristics of Women Undergoing Trial of Labor After Cesarean Delivery
| Demographic Characteristic | Successful VBAC (n=5938) | Failed TOLAC (n=5232) | P |
|---|---|---|---|
| Maternal age (y) | 27.9±4.3 | 27.5±4.6 | .20 |
| Gestational age at delivery (wk) | 38.6±1.7 | 38.5±1.6 | .59 |
| Race | .13 | ||
| White | 846 (90.2) | 199 (85.8) | |
| Hispanic | 54 (5.8) | 20 (8.6) | |
| Asian | 11 (1.2) | 7 (3.0) | |
| African American | 7 (0.7) | 1 (0.4) | |
| Other | 20 (2.1) | 5 (2.2) | |
| BMI (kg/m2) | <.001 | ||
| Less than 18.5 | 33 (3.5) | 8 (3.4) | |
| 18.5–24.9 | 542 (57.8) | 99 (42.7) | |
| 25–29.9 | 225 (24.0) | 66 (28.4) | |
| More than 30 | 138 (14.7) | 59 (25.4) | |
| Insurance status | .002 | ||
| Private insurance | 720 (76.8) | 164 (70.6) | |
| Medicaid | 186 (19.8) | 63 (27.2) | |
| Medicare | 0 (0) | 1 (0.4) | |
| Uninsured | 32 (3.4) | 3 (1.3) | |
| Unknown | 0 (0) | 1 (0.4) | |
| Marital status | .37 | ||
| Married | 879 (93.7) | 215 (92.7) | |
| Single | 41 (4.4) | 15 (6.5) | |
| Divorced or separated | 13 (1.4) | 1 (0.4) | |
| Unknown | 5 (0.5) | 1 (0.4) | |
| History of vaginal delivery | 322 (34.3) | 42 (18.1) | <.001 |
| Recurrent indication for primary cesarean delivery | 84 (9.0) | 44 (19.0) | <.001 |
| Induction of labor | 216 (23.0) | 39 (16.8) | .05 |
| Maternal preeclampsia or eclampsia | 31 (3.3) | 9 (3.9) | .65 |
| Maternal gestational diabetes | 34 (3.6) | 12 (5.2) | .27 |
| Small-for-gestational-age neonate | 41 (4.4) | 9 (3.9) | .76 |
| Neonatal birth weight (g) | 3,378±519 | 3,413±512 | .42 |
VBAC, vaginal birth after cesarean delivery; TOLAC, trial of labor after cesarean delivery; BMI, body mass index.
Data are mean±standard deviation or n (%) unless otherwise specified.