Table 1.

Patient ratings of interaction quality by SP race, activation, IAT, and physician characteristics (mixed-model linear regression)

	Main Effects				Activation Moderation
	b	95% CI		P	b	95% CI		P
Black SP	0.82	0.53	1.12	< 0.001	0.83	0.54	1.11	< 0.001
Activated SP	0.01	−0.26	0.27	0.967	−0.05	−0.32	0.22	0.712
Physician IAT	0.00	−0.15	0.15	0.972	0.00	−0.15	0.14	0.956
Black SP * Activated SP					−0.21	−0.75	0.33	0.456
Black SP * Physician IAT					−0.34	−0.65	−0.04	0.027
Activated SP * Physician IAT					−0.09	−0.36	0.19	0.534
Black SP * Activated SP * Physician IAT					0.59	0.04	1.14	0.037
Site	−0.47	−0.76	−0.19	0.002	−0.36	−0.65	−0.06	0.019
Oncologist (vs. PCP)	0.22	−0.08	0.53	0.151	0.25	−0.04	0.54	0.099
Physician female	0.57	0.27	0.88	< 0.001	0.61	0.32	0.91	< 0.001
Physician age (y)	−0.23	−0.38	−0.09	0.003	−0.19	−0.33	−0.05	0.011
Physician Asian	−0.12	−0.51	0.26	0.532	−0.14	−0.51	0.23	0.462
Physician other race	−0.13	−0.52	0.26	0.506	−0.09	−0.47	0.30	0.652
Fixed intercept	0.08	−0.13	0.25	0.401	0.11	−0.06	0.29	0.211
	Variance				Variance
Random intercept	0.04				0.03

Main effects columns include results from the model without any interactions. Activation Moderation columns include results with all interactions for SP race, SP activation, and physician IAT.