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

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

Year	Self-reported hypertension					Tested hypertension
Year	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

ISSN: 1472-6963