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

Cao, Dan; Zhou, Zhongliang; Si, Yafei; Xiao, Xiao; Wang, Xiao; Shen, Chi; Ren, Yangling; Su, Min; He, Shuyi; Gao, Jianmin

doi:10.1186/s12913-019-4289-5

Table 4 The regression results of 2011

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

	Self-reported hypertension						Tested hypertension
	dy/dx	Std. Err	Demand elasticity	C	Contribution	%	dy/dx	Std. Err	Demand elasticity	C	Contribution	%
The poor	−0.011	0.010	−0.017	− 0.400	0.007	20.9	0.002	0.016	0.001	−0.400	−0.001	2.4
The middle	0.010	0.011	0.015	0.001	0.000	0.03	0.025	0.017	0.020	0.001	0.000	−0.1
The richer	0.004	0.011	0.006	0.401	0.003	8.1	−0.024	0.016	−0.020	0.401	−0.008	34
The richest	0.008	0.011	0.012	0.801	0.010	30.4	−0.019	0.016	−0.015	0.801	−0.012	52.6
46~59	0.138^c	0.013	0.262	0.081	0.021	67.3	0.189^c	0.015	0.190	0.081	0.015	−66.6
60 and above	0.281^c	0.017	0.493	−0.127	− 0.063	197.5	0.335^c	0.017	0.312	−0.127	− 0.040	170.4
18.5 ≤ BMI < 24	0.043^b	0.018	0.165	−0.010	−0.002	−5.2	0.120^c	0.027	0.243	−0.010	−0.002	10.4
24 ≤ BMI < 28	0.131^c	0.026	0.323	0.031	0.010	31.5	0.274^c	0.033	0.357	0.031	0.011	−47.6
BMI ≥ 28	0.258^c	0.041	0.236	0.025	0.006	18.3	0.444^c	0.038	0.215	0.025	0.005	−22.7
Primary and junior high school	−0.005	0.010	− 0.022	− 0.028	0.001	2.0	− 0.038^b	0.016	− 0.087	− 0.028	0.002	−10.6
High school or technical secondary school	−0.013	0.013	−0.023	0.125	−0.003	−9.1	−0.075^c	0.018	−0.068	0.125	−0.009	36.8
Junior college and above	−0.028	0.021	−0.022	0.152	−0.003	−10.5	− 0.067^a	0.032	− 0.028	0.152	− 0.004	18.1
Married	0.072^b	0.020	0.453	0.016	0.007	22.6	0.047	0.031	0.159	0.016	0.003	−10.8
Other status	0.156^c	0.072	0.123	−0.177	−0.022	−68.8	0.103^b	0.045	0.043	−0.177	−0.008	32.6
The middle region	−0.030^c	0.007	−0.105	−0.109	0.011	36.0	−0.033^c	0.016	−0.061	−0.109	0.007	−28.8
The western region	−0.047^c	0.008	−0.059	−0.147	0.009	27.4	−0.035^b	0.014	−0.023	−0.147	0.003	−14.7
Smoking	0.005	0.010	0.010	0.008	0.000	0.3	0.006	0.014	0.007	0.008	0.001	−0.3
Female	0.013	0.010	0.052	−0.027	−0.001	−4.5	− 0.047^c	0.014	− 0.101	−0.027	0.003	−11.9
Drinking	0.010	0.010	0.007	0.142	0.001	3.1	0.046^c	0.016	0.017	0.142	0.002	−10.3
Having physical examination	0.102^c	0.020	0.056	0.120	0.007	21.1	0.023	0.022	0.007	0.120	0.001	−3.4
N	7124						7003
R²	0.1691						0.1357

^a, ^b, ^c: significantly different from zero at the 0.1, 0.05 and 0.01 level, respectively

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