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Table 5 Income difference in recurring high medical expenditure

From: The effect of high medical expenses on household income in South Korea: a longitudinal study using propensity score matching

    Unit: USD
Variables Estimate§ Std. Error p-value
≥ at twice the average medical expense (n = 412)    
Year (reference: 2008)    
  2009 622 52.2 0.2759
  2010 1,041 87.7 0.1513
  2011 1,123 92.4 0.1174
Case (reference: non-occurrence household)    
  Occurrence household −2,275 111.5 0.0153
Interaction term (year x Case)    
  2009 −2,698 124.6 0.0269
  2010 −1,143 77.4 0.1695
  2011 −911 51.3 0.3295
≥ at three times the average medical expense (n = 200)    
Year (reference: 2008)    
  2009 2,273 136.4 0.0758
  2010 1,775 138.6 0.1715
  2011 1,951 117.6 0.0772
Case (reference: non-occurrence household)    
  Occurrence household −3,128 173.5 0.0348
Interaction term (year x Case)    
  2009 −3,598 157.2 0.0151
  2010 −3,198 159.8 0.0332
  2011 −3,244 134.4 0.0104
  1. § Adjusted odds ratio from multiple regression analysis with all of the variables in Table 1