Table 1.

Site characteristics and roles interviewed at each site

Performance category	Site	Size (# of unique patients)	Residents per 10k patients†	Number of primary care personnel	Interviewee role
					FD	PCC	MD	RN
High performers	B	27,222	0.00	35	✓	✓	✓	✓
	H	27,851	8.62	62		✓		✓
	M	43,845	18.25	56	✓	✓
	R	49,813	31.42	83			✓
Consistently moderate	D	44,022	26.18	115	✓	✓	✓	✓
	E	63,313	10.63	94	✓	✓	✓	✓
	K	46,373	56.93	125	✓	✓	✓
	P	80,022	21.45	54		✓		✓
Highly variable	A	60,528	23.15	143	✓	✓	✓	✓
	G	49,309	26.24	27	✓		✓	✓
	L	21,327	7.03	30			✓	✓
	Q	39,820	2.89	10	✓	✓
Low performers	C	44,391	27.51	88	✓	✓	✓	✓
	F	19,609	0.00	46	✓	✓	✓	✓
	J	58,630	24.94	116	✓	✓	✓	✓
	N	24,795	0.00	23		✓	✓	✓

Note: sites listed in italic type were sites excluded from the study due to insufficient data (either insufficient number of interviews or insufficient information about mental models was provided by the interviewees of a site during the interviews, thus making any findings from that site unstable). FD facility director, PCC primary care chief, MD physician, RN registered nurse. ^†Number of residents per 10k patients is intended as a measure of the strength of the academic mission of the facility, which has been shown to be a nuanced indicator than the dichotomous medical school affiliation measure used traditional [25]