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Table 3 Negative binomial regression according to severity and distance – DD estimators

From: Where did civil servants go? the effect of an increase in public co-payments on double insured patients

  Low-severity Intermediate-severity High-severity
2012 ADSE -0.205 (0.058)*** -0.155 (0.045)** -0.031 (0.087)
Pseudo R2 0.3525 0.3555 0.3645
  Low-distance Intermediate-distance High-distance
2012 ADSE -0.192 (0.047)*** -0.201 (0.058)*** -0.094 (0.061)
Pseudo R2 0.3708 0.3674 0.3501
  1. Note: these are the results of the DD coefficient for ED demand according to ED severity and distance. Rows 2 and 4 present the marginal effects. Robust standard errors are shown in parentheses. Statistical significance is denoted as follows: **p < 5 %.***p < 1 %