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Table 5 Horizontal-inequity of the two hypertension groups from 1991 to 2011

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   
C Contribution of unavoidable variables HI 95%CI C Contribution of unavoidable variables HI 95%CI
1991 0.118 0.100 0.018 − 0.007 0.113 0.088 0.020 0.068 0.024 0.112
1993 0.144 0.005 0.139 0.050 0.227 − 0.003 0.001 − 0.004 − 0.004 0.037
1997 0.064 0.009 0.055 −0.029 0.139 −0.008 0.020 − 0.028 − 0.060 0.005
2000 0.052 0.013 0.039 −0.021 0.099 0.010 0.012 −0.002 −0.032 0.028
2004 0.110 0.012 0.098 0.046 0.149 0.031 0.025 0.016 −0.023 0.034
2006 0.119 −0.024 0.143 0.095 0.192 −0.030 0.003 −0.033 −0.061 − 0.004
2009 0.065 0.008 0.057 0.018 0.096 0.006 0.015 −0.009 − 0.035 0.017
2011 0.032 −0.028 0.060 0.026 0.093 −0.024 −0.009 − 0.015 −0.038 0.009