Table 2.

Parameter Estimates of Attributes and Control Variables.^a

Independent Variables	Parameter Estimate	Standard Error	P
Intercept	−0.614	0.170	.000
Nursing care	1.223	0.049	.000
Physician care	0.731	0.038	.000
Staff care	0.193	0.022	.000
Room	0.433	0.030	.000
Pain	−0.940	0.180	.000
Nursing care × pain	0.097	0.052	.062
Physician care × pain	−0.182	0.041	.000
Staff care × pain	0.317	0.026	.000
Room × pain	0.012	0.033	.713
African American	0.009	0.019	.644
Asian	−0.239	0.057	.000
Native Hawaiian/Pacific Islander	0.058	0.244	.811
American Indian/Alaskan Native	0.210	0.081	.010
Gender: female	0.060	0.013	.000
Age	0.026	0.002	.000
Educational attainment	−0.050	0.005	.000

^aN = 36 528, R ² = .512. Gender: male is a reference group. Race: white is a reference group.