Table 4

Socioeconomic concentration indices

	All health care		Preventive health care
Setting	C_n	95%CI	C_n	95%CI
Socioeconomic concentration of needs
General practice	−0.074***	−0.083 to −0.064	−0.030***	−0.038 to −0.023
Speciality practice	−0.043***	−0.052 to −0.035	−0.009	−0.005 to 0.004

	C_u	95%CI	C_u	95%CI
Socioeconomic concentration of use
General practice	−0.088***	−0.106 to −0.069	0.004	−0.012 to 0.020
Speciality practice	0.041*	0.009 to 0.074	0.100***	0.083 to 0.118

	HI_wvp	95%CI	HI_wvp	95%CI
Significant at α=0.05; at α=0.01; **at α=0.001.
C_n is the concentration index of needs (or expected use); C_u is the concentration index for use; Hi_wvp is the inequity index.
Socioeconomic inequity
General practice	−0.014	−0.030 to 0.002	0.034***	0.020 to 0.048
Speciality practice	0.085***	0.054 to 0.116	0.109***	0.092 to 0.126