Modelling multiple hospital outcomes: the impact of small area and primary care practice variation

Table 4 Parameter Estimates

Outcome and Predictor		Model 1		Model 2		Model 3
		Fixed Effects Only		Full Dimension area & practice errors		Full Dimension area & practice errors; cell level admission errors
Attendances		Mean	s.d.	Mean	s.d.	Mean	s.d.
γ₁₁	Area Need	0.08	0.01	0.10	0.02	0.09	0.01
γ₁₂	Primary Care Access	-0.24	0.06	-0.68	0.08	-0.92	0.11
γ₁₃	Distance to Hospital	-0.04	0.005	-0.22	0.02	-0.22	0.02
β₁₁	Practice Need	0.12	0.01	0.27	0.04	0.24	0.03
β₁₂	Nursing Home Patients	0.29	0.06	0.67	0.22	0.61	0.23
Admissions
γ₂₁	Area Need	0.06	0.02	0.10	0.04	0.08	0.03
γ₂₂	Primary Care Access	-0.66	0.07	-1.01	0.09	-0.71	0.14
γ₂₃	Distance to Hospital	-0.09	0.01	-0.38	0.04	-0.27	0.03
β₂₁	Practice Need	0.12	0.02	0.28	0.07	0.34	0.05
β₂₂	Nursing Home Patients	0.39	0.10	0.83	0.27	1.06	0.13
Distance Decay Parameters, b_k
Attendances		0.16	0.08	0.36	0.08	0.27	0.09
Admissions		0.25	0.06	0.49	0.09	0.45	0.11

ISSN: 1476-072X