Table 1.

Characteristics of Pair-Matched Practices, Based on Clinician Survey Responses

Pair Match	Practice Type	2013 Locale Population	Panel Size	Pts/Day	% Medicare	Reg Use of AD Form	% Discuss AD
1	FQHC	17,140	>2000	12	25 to 49	N	0
1	Independent	6,027	>3000	>40	50 to 74	N	1 to 24
2	Residency/Corporate	610,613	>3000	30 to 39	25 to 49	N × 2, Y × 1	1 to 24
2	Residency	610,613	>3000	40	25 to 74	Y × 1, N × 4	1 to 24
3	Independent	23,400	>3000	10 to 19	25 to 49	N	0
3	Independent	17,140	>3000	20 to 29	50 to 74	N	1 to 24

2013 Locale Population, based on 2013 data; % Discuss AD: Estimated percent of patients with whom the clinician believes they discuss ADs at baseline; FQHC, Federally Qualified Health Center; pts/day, estimated average number of patients seen per day; % Medicare, estimated percent Medicare-insured patients; Reg Use of AD Form, Does the clinician use an AD form on a regular basis? (Y, yes; N, no, ×# indicates how many clinicians gave this answer).

AD, Advance Directive.