Table 1.
Practitioner Characteristics by Study Group Exposure to Active Management of Risk in Pregnancy at Term (AMOR-IPAT)
| Practitioner Specialty* | Number of Deliveries† | Overall Induction Rate, % | Preventive Induction Rate, % | PGE2Use Rate, % | Attendance Rate,‡% |
| Exposed group (n = 794 deliveries) | |||||
| Family physician 1 | 104 | 50.0 | 38.5 | 40.4 | 91.3 |
| Family physician 2 | 80 | 35.4 | 15.8 | 24.4 | 95.1 |
| Family physician 3 | 91 | 38.5 | 19.8 | 27.5 | 95.6 |
| Obstetrician 1 | 438 | 29.0 | 17.1 | 20.8 | 90.8 |
| Family physician 4 | 79 | 25.3 | 15.2 | 21.5 | 91.1 |
| Nonexposed group (n = 1,075 deliveries) | |||||
| Obestritician 2 | 231 | 28.1 | 10.8 | 10.4 | 90.8 |
| Family physician 5 | 49 | 20.4 | 16.3 | 10.2 | 87.5 |
| Family physician 6 | 75 | 18.7 | 9.3 | 21.3 | 96.0 |
| Family physician 7 | 136 | 19.8 | 7.4 | 16.2 | 94.0 |
| Obstetrics group§ | 584 | 18.8 | 5.1 | 18.2 | 97.7 |
PGE2 = prostaglandin E2.
Notes: Number of deliveries and practitioner rates of labor induction (all types), preventive labor induction, PGE2 usage, and attendance at continuity delivery.
* All obstetricians and no family physicians or certified nurse-midwives had cesarean delivery privileges at the study hospital.
† Total N = 1,869 deliveries.
‡ The percentage of labors the practitioner attended; 21 patients did not have information concerning delivering physician.
§ This large obstetrics group had 7 practitioners and shared both prenatal care and deliveries. The composition of this group—practitioner type (number of deliveries)—was obstetrician (256), obstetrician (132), obstetrician (12), certified nurse-midwife (143), obstetrician (3), certified nurse-midwife (2), and obstetrician (36).