Skip to main content

Table 6 Concentration index of samples

From: Prevalence and income-related equity in hypertension in rural China from 1991 to 2011: differences between self-reported and tested measures

Year Self-reported hypertension Tested hypertension
Altered sample Original sample Altered sample Original sample
1991 0.122 0.118 0.085 0.088
1993 0.156 0.144 0.000 −0.003
1997 0.041 0.064 −0.006 −0.008
2000 0.048 0.052 0.012 0.010
2004 0.111 0.110 0.023 0.031
2006 0.119 0.119 −0.033 −0.030
2009 0.070 0.065 0.008 0.006
2011 0.030 0.032 −0.025 −0.024