Table 8.

Associations between income and tinnitus care

Model	Change statistics				Beta	Significant F change
	R2 change	F change	df1	df2
Age/gender	0.007	1.989	2	605	−0.033	0.138
Specialised clinic	0.266	220.407	1	604	−0.516	0.000
Time per consult	0.106	102.780	1	603	0.334	0.000
Satisfaction healthcare	0.048	50.505	1	602	−0.235	0.000
Patients per month	0.015	15.728	1	601	0.124	0.000
GP necessary	0.010	10.507	1	600	−0.106	0.001
Clinical guidelines	0.008	9.272	1	599	0.094	0.002

Regressions summary: Dependent=income, Independents=Specialised clinics present, time per consult, Satisfaction of respondent with healthcare, Patients seen per month, necessity of referral by GP, existence of clinical guidelines, controlled for age and gender.

Coding: Specialised clinic: Yes=0, No=1; Time per consult: 1=<15 min, 2=15–30 min, 3=30–60 min, 4=60–12 min, 5=>120 min; Satisfaction healthcare: Yes=0, No=1; GP necesary: Yes=0, No=1; Clinical guidelines: Yes=0, No=1. Dependent: income.

GP, general practitioner.