Use of oral health care services in Peru: trends of socio-economic inequalities before and after the implementation of Universal Health Assurance

Table 4 Summary of results of changes in Concentration Index

Type of health service/Population	Changes in CI 2004–2008			Changes in CI 2010–2017			Change in CI 2004–2017
Type of health service/Population	CI 2004	CI 2008	Diference of Conc. Index	CI 2010	CI 2017	Diference of Conc. Index	Diference of Conc. Index
Use of dental services
General population	0.296	0.287	-0.0085	0.264	0.210	-0.0539*	− 0.0855*
Under-five children	0.531	0.312	−0.2187*	0.370	0.236	− 0.1352*	− 0.295*
Children aged 5–17 years	0.308	0.292	−0.0164	0.277	0.185	−0.0918*	−0.123*
Adults aged 18–59 years	0.256	0.265	0.0091	0.252	0.225	−0.0267	−0.030
Adults aged 60 years or older	0.370	0.366	−0.00367	0.285	0.298	0.0129	−0.072
Urban	0.225	0.218	−0.0064	0.209	0.178	−0.0317*	− 0.047*
Rural	0.306	0.239	−0.0663*	0.224	0.174	− 0.0500*	− 0.132*
Coast	0.259	0.232	−0.0261	0.229	0.205	−0.0231	−0.053*
Andean	0.375	0.360	−0.0144	0.310	0.230	−0.0800*	− 0.144*
Jungle	0.311	0.297	−0.0136	0.309	0.249	−0.0601*	− 0.061

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