Table 1.

Practice, Model Implementation, and Respondent Characteristics of Physicians and Practice Staff Responding to a Survey Conducted During the Third Year of the 5-Year Demonstration

	Staff (n = 699)		Physicians (n = 284)
	No.	%	No.	%
Respondent characteristics
Age (years)
18–29	113	16.2	6	2.1
30–39	168	24.0	51	18.0
40–49	156	22.3	84	29.6
50–59	180	25.8	88	31.0
≥60	78	11.2	55	19.4
Female sex	669	95.7	145	51.1
Professional role			NA
Nurse practitioner/physical assistant	49	7.0
Other nurse	100	14.3
Medical assistant	174	24.9
Practice manager	136	19.5
Other clinical	46	6.6
Other administrative	194	27.8
Job longevity (≥7 years)^*	317	45.4	187	65.8
Practice characteristics
Pediatric practice	96	13.7	34	12.0
Practice size (no. of providers)
1–2	161	23.0	39	13.7
3–4	170	24.3	63	22.2
5–7	196	28.0	71	25.0
8–11	104	14.9	51	18.0
12 or more	68	9.7	60	21.1
EHR implementation change	135	19.3	116	40.8
Model implementation characteristics
Average CM job longevity (2.5 years or more)^*	315	45.1	135	47.5
Average embedded CM FTE
<25	104	14.9	32	11.3
25–49	134	19.2	60	21.1
50–74	160	22.9	54	19.0
75–99	125	17.9	59	20.8
100	173	24.7	78	27.5
Embedded CMs (n)
0	27	3.9	12	4.2
1	318	45.5	126	44.4
2	194	27.8	86	30.3
3 or 4	108	15.5	37	13.0
≥5	52	7.4	23	8.1
CM(s) employer is the practice	161	23.0	37	13.0
Meeting or exceeding patients'/CM standards	375	53.6	172	60.6

↵* Distributed approximately normally and treated as a continuous variable in the analysis.
CM, care manager; EHR, electronic health record; FTE, full-time equivalent; NA, not applicable.