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Table 4 Sample Selection marginal effects (M.E.) on the probability to belong to the various waiting time categories for MRI

From: Do rich Israelis wait less for medical care?

A. Waiting time equation (Ordered Probit) Up to 1 month 2-3 months 4-5 months 6-12 months
  M.E. z M.E. z M.E. z M.E. z
Hospital (vs. in the community) -0.054 -0.35 -0.049 -1.14 0.003 0.02 0.100 1.98
Female (vs. male) 0.041 0.38 0.038 0.88 -0.002 -0.02 -0.077 -1.33
Age 0.005 0.80 0.004 0.37 0.000 -0.02 -0.008 -0.45
Income per standardized adult (in thousands IS) 0.006 0.39 0.005 0.78 -0.001 -0.02 -0.001 -1.11
Public finance only 0.056 0.63 -0.044 -0.73 -0.009 -0.41 -0.003 -0.36
Number of chronic illnesses 0.018 1.00 0.017 0.36 -0.001 -0.02 -0.034 -0.44
Peripheral location -0.029 -0.33 -0.026 -0.77 0.001 0.02 0.054 0.92
Israel or former USSR origin 0.034 0.36 0.031 0.91 -0.002 -0.02 -0.063 -1.29
B. On the waiting list for MRI equation (binary probit)         
Female (vs. male) 0.061 1.38       
Age 0.040 7.76       
Income per standardized adult (in thousands IS) 0.013 2.16       
Voluntary insurance ownership 0.275 4.28       
Number of chronic illnesses 0.172 7.54       
Peripheral location 0.001 0.02       
Education higher than 12 years -0.011 -0.21       
  1. Bold = significantly different from zero at p = 0.05.