Hospital Characteristics by Family Medicine and Obstetrician Presence on Labor and Delivery
| Overall (N = 39) | Both (n = 15) | FM-Only (n = 13) | OB-Only (n = 11) | P Valuea | |
|---|---|---|---|---|---|
| NTSV cesarean birth rate, mean (SD) | 0.25 (0.08) | 0.28 (0.05) | 0.23 (0.10) | 0.23 (0.08) | .145 |
| % Maternal age >35 years, mean (SD) | 0.09 (0.02) | 0.11 (0.02) | 0.08 (0.02) | 0.10 (0.02) | .002 |
| % Maternal BMI >30, mean (SD) | 0.32 (0.05) | 0.33 (0.04) | 0.33 (0.06) | 0.30 (0.05) | .30 |
| % Medicaid insurance, mean (SD) | 0.41 (0.10) | 0.43 (0.09) | 0.42 (0.07) | 0.37 (0.13) | .57 |
| Rural status, No. (%) | .001 | ||||
| Nonrural | 17 (43.6) | 10 (66.7) | 0 (0) | 7 (63.6) | |
| Rural | 22 (56.4) | 5 (33.3) | 13 (100) | 4 (36.4) | |
| Teaching hospital, No. (%) | .01 | ||||
| No | 29 (74.4) | 7 (46.7) | 12 (92.3) | 10 (90.9) | |
| Yes | 10 (25.6) | 8 (53.3) | 1 (7.7) | 1 (9.1) | |
| Nursery acuity level, No. (%)b | .04 | ||||
| Basic/well newborn | 18 (58.1) | 4 (30.8) | 9 (90) | 5 (62.5) | |
| Special care | 7 (22.6) | 3 (23.1) | 1 (10) | 3 (37.5) | |
| NICU | 5 (16.1) | 5 (38.5) | 0 (0) | 0 (0) | |
| Regional NICUb | 1 (3.2) | 1 (7.7) | 0 (0) | 0 (0) | |
| Maternal care level, No. (%)c,d | .01 | ||||
| 1 | 13 (43.3) | 2 (16.7) | 9 (90) | 2 (25) | |
| 2 | 13 (43.3) | 6 (50) | 1 (10) | 6 (75) | |
| 3 | 2 (6.7) | 2 (16.7) | 0 (0) | 0 (0) | |
| 4 | 2 (6.7) | 2 (16.7) | 0 (0) | 0 (0) | |
| Average annual delivery volume, No. (%) | .04 | ||||
| <1,000 | 29 (74.4) | 9 (60) | 13 (100) | 7 (63.6) | |
| 1,000-2,499 | 7 (17.9) | 3 (20) | 0 (0) | 4 (36.4) | |
| ≥2,500 | 3 (7.7) | 3 (20) | 0 (0) | 0 (0) | |
| County-level maternity care access, No. (%) | .002 | ||||
| Access | 23 (59) | 11 (73.3) | 3 (23.1) | 9 (81.8) | |
| Moderate access | 15 (38.5) | 4 (26.7) | 10 (76.9) | 1 (9.1) | |
| Deserte | 1 (2.6) | 0 (0) | 0 (0) | 1 (9.1) |
BMI = body mass index; FM = family medicine; NICU = neonatal intensive care unit; NTSV = nulliparous, term, singleton, vertex; OB = obstetrician.
↵a P values calculated using nonparametric Kruskal-Wallis test for continuous variables and χ2 or Fisher exact test for categorical variables.
↵b Missing (n = 8).
↵c Iowa-specific maternal care level designations.22
↵d Missing (n = 9).
↵e Maternity care desert designation by county.9