Table 1.

Practice and Champion Characteristics

Practice ID	No. of Clinicians	Practice Lifespan (Years)	Years in Integrated Health System	After-BC Champion Roles (3 per Practice)
P1	2 MDs 1 NP	2	2	Clinician (MD), Practice Administrator CMA
P2	2 MDs	6	6	2 Clinicians (MDs) Office Manager*
P3	1 MD 1 PA	12	12	Clinician (MD) Office Manager CMA
P4	4 MDs 1 DO	6	6	Clinician (MD), Practice Administrator CMA
P5	1 MD^± 2 NPs	5	5	Practice Administrator Registered Nurse CMA
P6	4 MDs	6	6	3 Clinicians (MDs)
P7	2 MDs 1 NP	5	5	2 Clinicians (1 MD, 1 NP) Practice Administrator
P8	1 MD	11	5	Clinician (MD), Practice Administrator CMA
P9	3 MDs 1 DO	10	10	Clinician (DO), Practice Administrator CMA
P10	1 MD	21	17	Clinician (MD), Practice Administrator CMA
P11	1 MD	25	9	Clinician (MD), Practice Administrator CMA
P12	2 MDs	10	10	Clinician (MD), Practice Administrator Patient Service Representative
P13	3 MDs 1 NP	23	9	Clinician (MD), Practice Administrator CMA

Abbreviations: BC, Breast Cancer; MD, Medical doctor; NP, Nurse practitioner; PA, Physician assistant; DO, Doctor of osteopathic medicine; CMA, Certified Medical Assistant.
↵*One champion represented P2 (where she was the Office Manager) and P9 (where she was the Practice Administrator).
^±MD was on medical leave for duration of the intervention.