TABLE 3.

Multivariable-adjusted odds ratios associating facility characteristics with surgical treatment delays overall, and racial disparities in delay by facility characteristics among 6011 women with breast cancer diagnosed in the metropolitan Atlanta area (2010–2014)

	Delay (n)	Overall OR (95 % CI)1	Delay n (%)		Common referent OR (95 % CI)1			Stratified effects OR (95 % CI)a
	Overall		NHW	NHB	NHW	NHB	RERI
Racial disparity			1979	1537	–	–	–	2.15 (1.92–2.41)
Annual patient discharge
Low	2796	1.06 (0.93 to 1.21)	236	484	0.73 (0.60 to 0.89)	2.11 (1.76 to 2.53)	0.32 (−0.11 to 0.75)	2.89 (2.25 to 3.70)
High	720	Referent	1743	1053	Referent	2.04 (1.79 to 2.33)	Referent	2.04 (1.79 to 2.33)
Medical school affiliation
No	2498	0.72 (0.64 to 0.81)	1541	957	0.79 (0.67 to 0.93)	1.70 (1.41 to 2.40)	−0.06 (−0.45 to 0.34)	2.15 (1.87 to 2.48)
Yes	1009	Referent	438	571	Referent	1.94 (1.57 to 2.40)	Referent	1.94 (1.57 to 2.40)
Facility type
Government	309	0.40 (0.34 to 0.47)	120	189	0.25 (0.20 to 0.32)	1.20 (0.94 to 1.54)	0.23 (−0.19 to 0.66)	4.72 (3.41 to 6.52)
For-profit	448	0.71 (0.61 to 0.82)	190	258	0.54 (0.44 to 0.67)	1.49 (1.19 to 1.87)	2.13 (1.87 to 2.40)	2.72 (2.04 to 3.64)
Non-profit	2750	Referent	1669	1081	Referent	1.95 (1.70 to 2.25)	Referent	1.95 (1.70 to 2.25)
Accreditations or affiliations
COC-accredited
No	1423	1.24 (1.11 to 1.38)	643	780	1.10 (0.95 to 1.27)	2.28 (1.95 to 2.66)	0.08 (−0.34 to 0.50)	2.07 (1.74 to 2.47)
Yes	2093	Referent	1336	757	Referent	2.16 (1.85 to 2.52)	Referent	2.16 (1.85 to 2.52)
NSABP affiliation
No	2750	0.93 (0.82 to 1.06)	1675	1075	0.69 (0.58 to 0.83)	2.03 (1.69 to 2.43)	0.33 (−0.8 to 0.74)	2.92 (2.32 to 3.68)
Yes	766	Referent	304	462	Referent	2.01 (1.76 to 2.30)	Referent	2.01 (1.76 to 2.30)

^aAdjusted for age at diagnosis and type of surgery

OR, odds ratio; CI, confidence interval; RERI, relative excess risk due to interaction; NHW, non-Hispanic White; NHB, non-Hispanic Black; COC, commission on cancer; NSABP, National Surgical Adjuvant Breast and Bowel Project