Multiple Logistic Regression Analysis of the Association Between Delivery Characteristics and Neonatal Death in California from 1996–2002
| Characteristic | Odds Ratio (95% CI*) | P Value |
|---|---|---|
| CI = confidence interval; ACOG = American College of Obstetricians and Gynecologists; VBAC = vaginal birth after cesarean. | ||
| * 95% Poisson CI. | ||
| † Pregnancy complication is a composite variable based on codes noted in the California Department of Health Services Certificate of Live Birth Medical Data Supplemental Work Sheet, Item 29, and excludes mothers with electronic fetal monitoring or ultrasound. | ||
| ‡ Hospital location based on California Office of Statewide Health Planning and Development designation of “small/rural” during years 1996–2002. | ||
| Date of delivery | ||
| Post-ACOG revision, 2000–2002 | 1.00 | - |
| Pre-ACOG revision, 1996–1999 | 0.82 (0.69–0.97) | .022 |
| Birth weight | ||
| 2,500–4,000 g | 1.00 | - |
| <1,500 g | 273.61 (215.70–347.07) | <.001 |
| 1,500–2,499 g | 15.63 (11.66–20.95) | <.001 |
| >4,000 g | 0.88 (0.51–1.52) | .65 |
| Delivery method | ||
| Repeat cesarean | 1.00 | - |
| Attempted VBAC | 2.84 (2.35–3.45) | <.001 |
| Pregnancy complication† | 1.54 (1.28–1.86) | <.001 |
| Hospital location‡ | ||
| Urban | 1.00 | - |
| Rural | 1.21 (0.76–1.95) | .425 |