Table 1.

Respondent characteristics

Characteristics	Obstetrician-Gynecologists (n=330)	Family Physicians (n=416)	Nurse-Midwives (n=153)	P value
Age ≥ 50 years (%)	46.7	46.4	- *	0.75†
Female (%)	48.0	37.7	100.0	<0.01†
Non-Hispanic white (%)	79.2	80.8	93.4	<0.01
Graduated from a medical school/midwifery program in Michigan (%)	53.6	54.9	31.1	<0.01
Hours/week spent on direct patient care (%)				<0.01
≤ 20	5.5	8.8	18.7
21–40	38.3	54.0	50.0
> 40	56.2	37.1	31.3
Currently in residency/fellowship/midwifery training program (%)	13.9	10.5	4.6	<0.01
Currently practicing obstetrics ‡ (%)	82.1	19.7	84.0	<0.01
Ever practiced obstetrics ‡ (%)	97.1	59.6	96.5	<0.01

Respondents with missing data on the variable were not included in the statistics (<3.0% for each one of the variables). Percentages may not add up to exactly 100% due to rounding.

^*Age information was not available among nurse-midwifery respondents.

^†Chi-squared tests conducted between obstetrician-gynecologists and family physicians.

^‡Among providers who were not currently in residency/fellowship training or nurse-midwifery programs.