Table 2.

Concentration index of prenatal and postnatal visits before and after health reform

	Before health reform			After health reform			P
	Concentration index	95% CI		Concentration index	95% CI
		Lower	Upper		Lower	Upper
Prenatal visits
Urban	0.053	0.011	0.093	0.0004	−0.024	0.025	0.030
Rural	0.017	−0.012	0.471	0.029	0.013	0.045	0.471
Postnatal visits
Urban	0.083	−0.019	0.180	−0.075	−0.148	−0.020	0.006
Rural	0.041	−0.017	0.098	−0.017	−0.047	0.012	0.080