Table 2.

Distribution of Years of Experience and Work Setting by Professional Association

	SMFM % (n=69)	ACOG % (n=573)	ACNM % (n=237)	AWHONN % (n=1053)
Years of Intrapartum Experience
0–5 years	3	4.3	9.2	10.9
6–10 years	11.9	13.8	11	12.7
11–20 years	23.9	28.7	25.7	23.9
21–30 years	47.8	35.3	29.4	29.4
>30 years	13.4	17.9	24.8	23
Missinga	2.9	7.5	8	6
Main Practice Setting
Hospital with limited specialty services available	0	11.4	10.6	19.6
Hospital with intermediate level of service – 24 hour availability of all essential specialties	13.8	33.3	31.7	31.9
Hospital with comprehensive service, highest level of specialty care	84.6	52	40.7	37.5
In-hospital birth center	1.5	3.1	4	10.6
Out-of-hospital birth center	0	3.1	7	0.1
Home birth	0	0.2	6	0.2
Missinga	5.8	9.8	16	6.4

Note: SMFM, Society for Maternal-Fetal Medicine; ACOG, American College of Obstetricians & Gynecologists; ACNM, American College of Nurse Midwives; AWHONN, Association of Women’s Health, Obstetric and Neonatal Nurses.

^aMissing values excluded