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Table 3 Relative and absolute concentration indices in prevalence of dental scaling non-users by monthly household income, Community Health Survey 2010–16, South Korea, ages 20 and older

From: Does the national dental scaling policy reduce inequalities in dental scaling usage? A population-based quasi-experimental study

 

Pre-policy

 

Post-policy

2010

2011

2012

2013

2014

2015

2016

Relative concentration index

−0.063

−0.066

−0.065

−0.068

−0.076

−0.081

−0.080

Absolute concentration index

−0.044

−0.046

−0.045

−0.045

−0.047

−0.048

−0.047