Table 4 The absolute (SII) and relative (RII) inequalities in ASMR of CBD over time, using a ten-point scale for socioeconomic indicators

Low-income (%)

 SII (95% CI)

2.334**(1.805—2.862)

1.981**(1.401—2.560)

2.217**(1.447—2.807)

2.097**(1.590—2.605)

 RII (95% CI)

1.055**(1.044—1.067)

1.054**(1.040—1.069)

1.060**(1.045—1.074)

1.057**(1.044—1.081)

Education (%)

 SII (95% CI)

-2.495**(-3.045– -1.945)

-2.664**(-3.323—-2.005)

-2.327**(-2.888—-1.647)

-2.866**(-3.400—-2.331)

 RII (95% CI)

0.933**(0.922—0.945)

0.933**(0.920—0.946)

0.935**(0.922—0.947)

0.919**(0.908—0.931)

Tax payment

 SII (95% CI)

-2.035**(-2.682— -1.389)

-1.003*(-1.908— -0.099)

-1.189**(-2.072 — -0.307)

-2.031**(-3.163 — -0.899)

 RII (95% CI)

0.944**(0.930–0.958)

0.971*(0.951–0.991)

0.964**(0.943–0.986)

0.926**(0.899–0.954)