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Table 5 The contribution of each independent variable to the inequality in CHE incidence

From: The comparison of catastrophic health expenditure and its inequality between urban and rural households in China

Variables 2012   2014  
Urban households Rural households Urban households Rural households
Contb Perc Contb Perc Contb Perc Contb Perc
Lagged CHE – – – – −0.0115 8.19% − 0.0157 12.48%
Lnincome −0.0974 65.79% −0.0168 15.82% −0.1124 79.79% −0.0551 43.72%
Household size 0.0315 −21.28% −0.0037 3.45% 0.0181 −12.88% 0.0012 −0.98%
Inpatient, yes −0.0022 1.47% −0.0095 8.91% − 0.0055 3.93% −0.0072 5.71%
Elderly members, yes −0.0001 0.08% −0.0033 3.12% 0.0001 −0.04% −0.0079 6.26%
Chronic diseases, yes 0.0057 −3.86% 0.0016 −1.54% 0.0019 − 1.38% − 0.0001 0.09%
Supplementary medical insurance, yes −0.0014 0.98% −0.0001 0.06% −0.0021 1.51% −0.0010 0.78%
Geographic location
 Easta
  Central −0.0059 3.99% 0.0005 −0.45% 0.0001 −0.04% −0.0013 0.99%
  West −0.0012 0.79% −0.0003 0.29% 0.0074 −5.22% 0.0060 −4.73%
Gender of household head, male 0.0026 −1.75% −0.0004 0.36% 0.0001 −0.10% −0.0008 0.65%
Age −0.0124 8.38% 0.0157 −14.82% −0.0001 0.04% 0.0083 −6.58%
Age square 0.0148 −9.98% −0.0302 28.48% 0.0124 −8.78% −0.0184 14.55%
Education of household head
 Illiteratea
  Primary school 0.0016 −1.06% 0.0017 −1.61% 0.0038 −2.66% −0.0004 0.34%
  Middle school 0.0015 −1.04% −0.0079 7.43% 0.0014 −1.01% −0.0045 3.53%
  High school and above −0.0315 21.30% − 0.0135 12.70% −0.0146 10.34% −0.0045 3.59%
Marriage of household head, married 0.0000 0.00% −0.0001 0.04% −0.0011 0.75% −0.0003 0.27%
Employment status of household head, employed 0.0010 −0.68% − 0.0010 0.96% 0.0044 −3.10% 0.0001 −0.10%
Self-assessed health status of household head, healthy −0.0093 6.25% −0.0065 6.12% −0.0079 5.64% −0.0080 6.38%
Smoking, yes 0.0009 −0.61% − 0.0002 0.16% 0.0009 −0.61% −0.0001 0.03%
Drinking, yes −0.0004 0.29% −0.0024 2.23% −0.0007 0.52% −0.0035 2.81%
Residual variables −0.0458 30.94% − 0.0298 28.29% −0.0356 25.11% −0.0129 10.21%
Variables 2016 2018
Urban households Rural households Urban households Rural households
Contb Perc Contb Perc Contb Perc Contb Perc
Lagged CHE − 0.0088 7.65% − 0.0225 17.06% − 0.0129 7.62% −0.0225 15.01%
Lnincome −0.0733 63.88% −0.0459 34.88% −0.1321 78.02% −0.0758 50.49%
Household size 0.0259 −22.58% 0.0106 −8.03% 0.0320 −18.91% 0.0058 −3.90%
Inpatient, yes −0.0174 15.17% −0.0154 11.71% −0.0020 1.19% −0.0078 5.19%
Elderly members, yes −0.0001 0.09% −0.0137 10.38% −0.0025 1.46% −0.0048 3.21%
Chronic diseases, yes 0.0009 − 0.80% −0.0015 1.15% 0.0027 −1.60% − 0.0025 1.66%
Supplementary medical insurance, yes −0.0032 2.77% −0.0011 0.83% −0.0029 1.72% −0.0025 1.67%
Geographic location
 Eastta
  Central 0.0024 −2.06% −0.0005 0.42% −0.0022 1.30% 0.0001 -0.06%
  West −0.0013 1.09% 0.0010 −0.73% 0.0049 −2.89% 0.0057 −3.81%
Gender of household head, male 0.0011 −0.96% −0.0011 0.86% 0.0004 −0.24% 0.0000 0.01%
Age 0.0006 −0.52% 0.0149 −11.36% 0.0024 −1.40% 0.0155 −10.32%
Age square 0.0039 −3.36% −0.0298 22.63% 0.0019 −1.13% −0.0295 19.63%
Education of household head
 Illiteratea
  Primary school 0.0076 −6.63% −0.0001 0.01% −0.0058 3.42% −0.0003 0.17%
  Middle school 0.0010 −0.86% −0.0020 1.57% 0.0026 −1.56% −0.0055 3.68%
  High school and above −0.0290 25.28% −0.0033 2.52% −0.0200 11.80% −0.0037 2.46%
Marriage of household head, married 0.0002 −0.15% 0.0019 −1.43% 0.0006 −0.35% 0.0030 −1.99%
Employment status of household head, employed 0.0015 −1.31% −0.0023 1.72% 0.0049 −2.88% −0.0026 1.71%
Self-assessed health status of household head, healthy −0.0075 6.51% −0.0077 5.85% −0.0085 5.02% −0.0093 6.20%
Smoking, yes 0.0010 −0.84% −0.0003 0.24% −0.0005 0.28% 0.0001 −0.04%
Drinking, yes −0.0005 0.44% −0.0008 0.63% −0.0014 0.80% −0.0006 0.39%
Residual variables −0.0198 17.19% −0.0120 9.09% −0.0309 18.33% −0.0129 8.64%
  1. Note: a Reference group; b Contribution to concentration index; c percentage of contribution to concentration index
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Health Economics Review

ISSN: 2191-1991

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