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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 0.138c 0.013 0.262 0.081 0.021 67.3 0.189c 0.015 0.190 0.081 0.015 −66.6
60 and above 0.281c 0.017 0.493 −0.127 − 0.063 197.5 0.335c 0.017 0.312 −0.127 − 0.040 170.4
18.5 ≤ BMI < 24 0.043b 0.018 0.165 −0.010 −0.002 −5.2 0.120c 0.027 0.243 −0.010 −0.002 10.4
24 ≤ BMI < 28 0.131c 0.026 0.323 0.031 0.010 31.5 0.274c 0.033 0.357 0.031 0.011 −47.6
BMI ≥ 28 0.258c 0.041 0.236 0.025 0.006 18.3 0.444c 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 − 0.038b 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 −0.075c 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 − 0.067a 0.032 − 0.028 0.152 − 0.004 18.1
Married 0.072b 0.020 0.453 0.016 0.007 22.6 0.047 0.031 0.159 0.016 0.003 −10.8
Other status 0.156c 0.072 0.123 −0.177 −0.022 −68.8 0.103b 0.045 0.043 −0.177 −0.008 32.6
The middle region −0.030c 0.007 −0.105 −0.109 0.011 36.0 −0.033c 0.016 −0.061 −0.109 0.007 −28.8
The western region −0.047c 0.008 −0.059 −0.147 0.009 27.4 −0.035b 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 − 0.047c 0.014 − 0.101 −0.027 0.003 −11.9
Drinking 0.010 0.010 0.007 0.142 0.001 3.1 0.046c 0.016 0.017 0.142 0.002 −10.3
Having physical examination 0.102c 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
  1. a, b, c: significantly different from zero at the 0.1, 0.05 and 0.01 level, respectively