Continuation of Research on Consumer Directed Health Plans: HSA Simulation Model Refinement . Appendix A2: Plan Choice Regression Results

01/21/2007

Variable Definition from SAS program in Appendix A1

Data Output from LIMDEP
--> namelist ; x2 = SCMEDPR2,SCLB,SCUB , COINS,
  PPO2,PPO1,DEF1, DEF3, HMO1,FAM_PREM,
  PPO2_AGE,PPO1_AGE,DEF1_AGE,DEF3_AGE,HMO1_AGE,
  PPO2_INC,PPO1_INC,DEF1_INC,DEF3_INC,HMO1_INC,
  PPO2_FEM,PPO1_FEM,DEF1_FEM,DEF3_FEM,HMO1_FEM,
  PPO2_FAM,PPO1_FAM,DEF1_FAM,DEF3_FAM,HMO1_FAM,
  PPO2_CHR,PPO1_CHR,DEF1_CHR,DEF3_CHR,HMO1_CHR, 
  CHR_PREM,CHR_SCLB,CHR_SCUB,CHR_COIN,FAM_SCLB,FAM_SCUB $
--> DISC;Lhs=yvar, CHOICES; Rhs=x2 
  ;Choices = P1,P2,P3,D1,D3,H1 $  
Normal exit from iterations. Exit status=0. 

 

  Discrete choice (multinomial logit) model 
  Maximum Likelihood Estimates  
  Dependent variable Choice
  Weighting variable ONE
  Number of observations  26734
  Iterations completed 8
  Log likelihood function -27200.62
  Log-L for Choice model =  -27200.6225
  R2=1-LogL/LogL*  Log-L fncn R-sqrd  RsqAdj
  No coefficients -47900.8977 .43215  .43192
  Constants only. Must be computed directly.
  Use NLOGIT ;...; RHS=ONE $
  Response data are given as ind. choice.
  Number of obs.= 26978, skipped 244 bad obs.

 

Variable Coefficient  Standard Error b/St.Er. P[|Z|>z] Mean of X
SCMEDPR2 -3.179598898  .13294966 -23.916  .0000  
SCLB 2.390461410  .27043780  8.839  .0000  
SCUB  -1.625123020  .71731108E-01  -22.656 .0000  
COINS  -16.23330404  .73243997  -22.163  .0000  
PPO2  .9431168496  .13457443  7.008  .0000  
PPO1  1.314687513  .14143793 9.295 .0000  
DEF1 -1.766260950   .22458990   -7.864 .0000  
DEF3 -2.809316873 .24690227 -11.378 .0000  
HMO1 2.448179610 .16031190 15.271 .0000  
FAM_PREM 1.833787851 .14095827 13.009 .0000  
PPO2_AGE -1.564161860 .30350630 -5.154 .0000  
PPO1_AGE -1.754006739 .30828143 -5.690 .0000  
DEF1_AGE -2.349634141 .43953766 -5.346 .0000  
DEF3_AGE -1.991238499 .36560470 -5.446 .0000  
HMO1_AGE -4.200015687 .34344449 -12.229 .0000  
PPO2_INC -.4733881586E-02 .14444996E-02 -3.277 .0010  
PPO1_INC -.4528320996E-02 .14534194E-02 -3.116 .0018  
DEF1_INC .5670676142E-02 .15519452E-02 3.654 .0003  
DEF3_INC .4804414933E-02 .14601218E-02 3.290 .0010  
HMO1_INC -.8608681275E-02 .15586591E-02 -5.523 .0000  
PPO2_FEM .4198777835 .64038275E-01 6.557 0000  
PPO1_FEM .3328763673 .64646458E-01 5.149 0000  
DEF1_FEM .1089110668 .92207787E-01 1.181 .2375  
DEF3_FEM .2674740899 .75607620E-01 3.538 .0004  
HMO1_FEM .3966044321E-01 .73044431E-01 .543 .5872  
PPO2_FAM -.4233426685 .70287922E-01 -6.023 .0000  
PPO1_FAM -.2009330220 .93664020E-01 -2.145 .0319  
DEF1_FAM .2393773926E-01 .16172454 .148 .8823  
DEF3_FAM 1.119148744 .24404543 4.586 .0000  
HMO1_FAM -.9956198572 .88505887E-01 -11.249 .0000  
PPO2_CHR .2756860412 .73561832E-01 3.748 .0002  
PPO1_CHR 1.181854939 .90345940E-01 13.081 .0000  
DEF1_CHR .7714034791 .12725272 6.062 .0000  
DEF3_CHR .6806458551 .15519146 4.386 .0000  
HMO1_CHR .5161991059 .85864350E-01 6.012 .0000  
CHR_PREM -.3320055569 .72412958E-01 -4.585 .0000  
CHR_SCLB -.2750123438 .10215671 -2.692 .0071  
CHR_SCUB -.3815617266 .51005777E-01 -7.481 .0000  
CHR_COIN -2.066440812 .95041146 -2.174 .0297  
FAM_SCLB -1.934888084 .25901932 -7.470 .0000  
FAM_SCUB .6751292839 .75349008E-01 8.960 .0000  

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