. sem (cumdose1 -> cumdose2) (cumdose1 -> cumdose3) (cumdose2 -> cumdose3) (crhrw1 -> crhrw2) (crhrw1 -> crhrw3) (crhrw1 -> icdxcnt) (crhrw2 -> crhrw3) (crhrw2 -> icdxcnt) (crhrw3 -> whppa) (icdxcnt -> whppa) (icdxcnt -> whpel) (fdferw1 -> crhrw2) (fdferw1 -> icdxcnt) (fdferw2 -> whpsleep) (fdferw2 -> whpel) (whppa -> whpsleep) (whppa -> whpel) (whpsleep -> whppa) (whpsleep -> whpel) if gender==1, cov( e.whpel*e.crhrw3) nocapslatent

Endogenous variables


Observed:  cumdose2 cumdose3 crhrw2 crhrw3 icdxcnt whppa whpel whpsleep


Exogenous variables


Observed:  cumdose1 crhrw1 fdferw1 fdferw2


Fitting target model:

Iteration 0:   log likelihood = -10251.747
Iteration 1:   log likelihood = -10205.966
Iteration 2:   log likelihood = -10170.944
Iteration 3:   log likelihood = -10166.418
Iteration 4:   log likelihood = -10165.882
Iteration 5:   log likelihood = -10165.858
Iteration 6:   log likelihood = -10165.858

Structural equation model                       Number of obs      =       339
 Estimation method = ml
 Log likelihood    = -10165.858

-------------+----------------------------------------------------------------
             |                 OIM
             |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
-------------+----------------------------------------------------------------
 Structural   |
   cumdo~2 <- |
    cumdose1 |    1.339597    .0366997     36.50    0.000      1.267667     1.411527
       _cons |    .3879549    .0632438      6.13    0.000      .2639992     .5119105
  -----------+----------------------------------------------------------------
   cumdo~3 <- |
    cumdose2 |    1.087217    .0123079     88.34    0.000      1.063094      1.11134
    cumdose1 |   -.0439337    .0184663     -2.38    0.017      -.080127    -.0077403
       _cons |    .1920846    .0151063     12.72    0.000      .1624768     .2216924
  -----------+----------------------------------------------------------------
   crhrw2 <-  |
      crhrw1 |    .7626206    .0336466     22.67    0.000      .6966744     .8285668
     fdferw1 |    .0026616    .0008018      3.32    0.001      .0010902      .004233
       _cons |   -.1613313     .040014     -4.03    0.000     -.2397573    -.0829053
  -----------+----------------------------------------------------------------
   crhrw3 <-  |
      crhrw2 |    1.054107    .0257392     40.95    0.000      1.003659     1.104555
      crhrw1 |   -.1182453    .0254922     -4.64    0.000     -.1682091    -.0682815
       _cons |   -.0071048    .0140523     -0.51    0.613     -.0346468     .0204372
  -----------+----------------------------------------------------------------
   icdxcnt <- |
      crhrw2 |      .97066    .1579687      6.14    0.000      .6610471     1.280273
      crhrw1 |   -.5677784    .1552095     -3.66    0.000     -.8719833    -.2635734
     fdferw1 |    .0078295    .0023695      3.30    0.001      .0031854     .0124737
       _cons |    1.981495     .119139     16.63    0.000      1.747987     2.215003
  -----------+----------------------------------------------------------------
   whppa <-   |
      crhrw3 |    8.227339    1.550325      5.31    0.000      5.188758     11.26592
     icdxcnt |    2.408256    .6665593      3.61    0.000      1.101824     3.714689
    whpsleep |   -.4070212    .1155534     -3.52    0.000     -.6335017    -.1805406
       _cons |    12.94629    2.404281      5.38    0.000      8.233988      17.6586
  -----------+----------------------------------------------------------------
   whpel <-   |
     icdxcnt |    2.642648    .8067994      3.28    0.001       1.06135     4.223945
       whppa |    .8017152    .0961697      8.34    0.000       .613226     .9902044
    whpsleep |     .294676    .0581963      5.06    0.000      .1806134     .4087387
     fdferw2 |    .1409182    .0480765      2.93    0.003        .04669     .2351463
       _cons |    2.500899     2.15607      1.16    0.246      -1.72492     6.726718
  -----------+----------------------------------------------------------------
   whpsl~p <- |
       whppa |    1.335573    .1994908      6.69    0.000      .9445779     1.726567
     fdferw2 |     .260614    .0472841      5.51    0.000      .1679388     .3532892
       _cons |    .3802579    2.409739      0.16    0.875     -4.342744      5.10326
-------------+----------------------------------------------------------------
 Variance     |
  e.cumdose2 |    1.271465    .0976606                    1.093765     1.478035
  e.cumdose3 |    .0652934    .0050152                     .056168     .0759014
    e.crhrw2 |     .274573    .0210898                    .2361986     .3191818
    e.crhrw3 |    .0643692    .0049442                    .0553729     .0748272
   e.icdxcnt |    2.322734    .1784082                    1.998109     2.700101
     e.whppa |    321.0013    68.76013                    210.9479     488.4707
     e.whpel |    550.1565    42.26281                    473.2573     639.5511
  e.whpsleep |    599.4561    78.08508                    464.3869     773.8109
-------------+----------------------------------------------------------------
 Covariance   |
   e.crhrw3   |
     e.whpel |   -.6904974    .3271351     -2.11    0.035      -1.33167    -.0493245
-------------+----------------------------------------------------------------
LR test of model vs. saturated: chi2(40)  =     50.45, Prob > chi2 = 0.1246
.
. sem (cumdose1 -> cumdose2) (cumdose1 -> cumdose3) (cumdose2 -> cumdose3) (crhrw1 -> crhrw2) (crhrw1 -> crhrw3) (crhrw1 -> icdxcnt) (crhrw2 -> crhrw3) (crhrw2 -> icdxcnt) (crhrw3 -> whppa) (icdxcnt -> whppa) (icdxcnt -> whpel) (fdferw1 -> crhrw2) (fdferw1 -> icdxcnt) (fdferw2 -> whpsleep) (fdferw2 -> whpel) (whppa -> whpsleep) (whppa -> whpel) (whpsleep -> whppa) (whpsleep -> whpel) if gender==1, vce(cluster id) cov( e.whpel*e.crhrw3) nocapslatent

Endogenous variables


Observed:  cumdose2 cumdose3 crhrw2 crhrw3 icdxcnt whppa whpel whpsleep


Exogenous variables


Observed:  cumdose1 crhrw1 fdferw1 fdferw2


Fitting target model:

Iteration 0:   log pseudolikelihood = -10251.747
Iteration 1:   log pseudolikelihood = -10205.966
Iteration 2:   log pseudolikelihood = -10170.944
Iteration 3:   log pseudolikelihood = -10166.418
Iteration 4:   log pseudolikelihood = -10165.882
Iteration 5:   log pseudolikelihood = -10165.858
Iteration 6:   log pseudolikelihood = -10165.858

Structural equation model                       Number of obs      =       339
 Estimation method = ml
 Log pseudolikelihood = -10165.858

(Std. Err. adjusted for 339 clusters in id)
-------------+----------------------------------------------------------------
             |               Robust
             |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
-------------+----------------------------------------------------------------
 Structural   |
   cumdo~2 <- |
    cumdose1 |    1.339597    .2873117      4.66    0.000      .7764767     1.902718
       _cons |    .3879549    .0833225      4.66    0.000      .2246458     .5512639
  -----------+----------------------------------------------------------------
   cumdo~3 <- |
    cumdose2 |    1.087217    .0775735     14.02    0.000      .9351758     1.239258
    cumdose1 |   -.0439337    .0846185     -0.52    0.604     -.2097829     .1219155
       _cons |    .1920846    .0309996      6.20    0.000      .1313266     .2528426
  -----------+----------------------------------------------------------------
   crhrw2 <-  |
      crhrw1 |    .7626206    .0387286     19.69    0.000       .686714     .8385272
     fdferw1 |    .0026616    .0008316      3.20    0.001      .0010318     .0042915
       _cons |   -.1613313    .0407374     -3.96    0.000     -.2411751    -.0814875
  -----------+----------------------------------------------------------------
   crhrw3 <-  |
      crhrw2 |    1.054107    .0324707     32.46    0.000      .9904657     1.117749
      crhrw1 |   -.1182453    .0374477     -3.16    0.002     -.1916415    -.0448491
       _cons |   -.0071048    .0143512     -0.50    0.621     -.0352326     .0210229
  -----------+----------------------------------------------------------------
   icdxcnt <- |
      crhrw2 |      .97066     .182801      5.31    0.000      .6123767     1.328943
      crhrw1 |   -.5677784    .1802555     -3.15    0.002     -.9210727     -.214484
     fdferw1 |    .0078295    .0024314      3.22    0.001       .003064      .012595
       _cons |    1.981495    .1154448     17.16    0.000      1.755227     2.207763
  -----------+----------------------------------------------------------------
   whppa <-   |
      crhrw3 |    8.227339    1.644491      5.00    0.000      5.004196     11.45048
     icdxcnt |    2.408256    .7160838      3.36    0.001      1.004758     3.811755
    whpsleep |   -.4070212    .1235379     -3.29    0.001      -.649151    -.1648913
       _cons |    12.94629    2.606814      4.97    0.000       7.83703     18.05555
  -----------+----------------------------------------------------------------
   whpel <-   |
     icdxcnt |    2.642648    .8492332      3.11    0.002      .9781812     4.307114
       whppa |    .8017152     .108379      7.40    0.000      .5892963     1.014134
    whpsleep |     .294676    .0644274      4.57    0.000      .1684007     .4209514
     fdferw2 |    .1409182    .0547194      2.58    0.010      .0336701     .2481662
       _cons |    2.500899    1.707353      1.46    0.143     -.8454515      5.84725
  -----------+----------------------------------------------------------------
   whpsl~p <- |
       whppa |    1.335573    .2129425      6.27    0.000       .918213     1.752932
     fdferw2 |     .260614    .0534904      4.87    0.000      .1557748     .3654533
       _cons |    .3802579    1.880482      0.20    0.840      -3.30542     4.065935
-------------+----------------------------------------------------------------
 Variance     |
  e.cumdose2 |    1.271465    .8062854                    .3668804     4.406405
  e.cumdose3 |    .0652934    .0299735                    .0265533     .1605537
    e.crhrw2 |     .274573    .0375325                    .2100407     .3589319
    e.crhrw3 |    .0643692    .0182932                    .0368785     .1123526
   e.icdxcnt |    2.322734    .2464874                    1.886559     2.859754
     e.whppa |    321.0013    82.21301                    194.3131     530.2878
     e.whpel |    550.1565    51.00484                    458.7453     659.7827
  e.whpsleep |    599.4561    103.5428                    427.2983     840.9761
-------------+----------------------------------------------------------------
 Covariance   |
   e.crhrw3   |
     e.whpel |   -.6904974    .4191208     -1.65    0.099     -1.511959     .1309642
-------------+----------------------------------------------------------------
.
. estat stable

Stability analysis of simultaneous equation systems

   Eigenvalue stability condition
  +--------------------------+-------------+
  |        Eigenvalue        |   Modulus   |
  +--------------------------+-------------+
  |  2.637e-16 +  .7372966i  |   .737297   |
  |  2.637e-16 -  .7372966i  |   .737297   |
  |  5.516e-17 + 1.373e-08i  |   1.4e-08   |
  |  5.516e-17 - 1.373e-08i  |   1.4e-08   |
  | -2.872e-15               |   2.9e-15   |
  |  2.351e-15               |   2.4e-15   |
  |          0               |         0   |
  |          0               |         0   |
  +--------------------------+-------------+
   stability index =  .7372966
   All the eigenvalues lie inside the unit circle.
   SEM satisfies stability condition.

. estat gof


Note: model was fit with vce(cluster); only stats(residuals) valid.


. estat teffects, standardized


Direct effects
(Std. Err. adjusted for 339 clusters in id)
-------------+----------------------------------------------------------------
             |               Robust
             |      Coef.    Std. Err.       z    P>|z|             Std. Coef.
-------------+----------------------------------------------------------------
 Structural   |
   cumdo~2 <- |
    cumdose1 |    1.339597    .2873117      4.66    0.000             .8928449
  -----------+----------------------------------------------------------------
   cumdo~3 <- |
    cumdose2 |    1.087217    .0775735     14.02    0.000             1.019854
    cumdose1 |   -.0439337    .0846185     -0.52    0.604            -.0274676
  -----------+----------------------------------------------------------------
   crhrw2 <-  |
      crhrw1 |    .7626206    .0387286     19.69    0.000             .7692442
     fdferw1 |    .0026616    .0008316      3.20    0.001             .1126696
  -----------+----------------------------------------------------------------
   crhrw3 <-  |
      crhrw2 |    1.054107    .0324707     32.46    0.000             1.056094
      crhrw1 |   -.1182453    .0374477     -3.16    0.002            -.1194971
     fdferw1 |           0   (no path)                                       0
  -----------+----------------------------------------------------------------
   icdxcnt <- |
      crhrw2 |      .97066     .182801      5.31    0.000             .5315287
      crhrw1 |   -.5677784    .1802555     -3.15    0.002             -.313613
     fdferw1 |    .0078295    .0024314      3.22    0.001             .1814898
  -----------+----------------------------------------------------------------
   whppa <-   |
      crhrw2 |           0   (no path)                                       0
      crhrw3 |    8.227339    1.644491      5.00    0.000             .5203729
     icdxcnt |    2.408256    .7160838      3.36    0.001             .2786868
       whppa |           0   (no path)                                       0
    whpsleep |   -.4070212    .1235379     -3.29    0.001            -.6950346
      crhrw1 |           0   (no path)                                       0
     fdferw1 |           0   (no path)                                       0
     fdferw2 |           0   (no path)                                       0
  -----------+----------------------------------------------------------------
   whpel <-   |
      crhrw2 |           0   (no path)                                       0
      crhrw3 |           0   (no path)                                       0
     icdxcnt |    2.642648    .8492332      3.11    0.002             .1480955
       whppa |    .8017152     .108379      7.40    0.000             .3882478
    whpsleep |     .294676    .0644274      4.57    0.000             .2436818
      crhrw1 |           0   (no path)                                       0
     fdferw1 |           0   (no path)                                       0
     fdferw2 |    .1409182    .0547194      2.58    0.010             .1323298
  -----------+----------------------------------------------------------------
   whpsl~p <- |
      crhrw2 |           0   (no path)                                       0
      crhrw3 |           0   (no path)                                       0
     icdxcnt |           0   (no path)                                       0
       whppa |    1.335573    .2129425      6.27    0.000             .7821284
    whpsleep |           0   (no path)                                       0
      crhrw1 |           0   (no path)                                       0
     fdferw1 |           0   (no path)                                       0
     fdferw2 |     .260614    .0534904      4.87    0.000             .2959445
-------------+----------------------------------------------------------------


Indirect effects
(Std. Err. adjusted for 339 clusters in id)
-------------+----------------------------------------------------------------
             |               Robust
             |      Coef.    Std. Err.       z    P>|z|             Std. Coef.
-------------+----------------------------------------------------------------
 Structural   |
   cumdo~2 <- |
    cumdose1 |           0   (no path)                                       0
  -----------+----------------------------------------------------------------
   cumdo~3 <- |
    cumdose2 |           0   (no path)                                       0
    cumdose1 |    1.456433    .2682484      5.43    0.000             .9105718
  -----------+----------------------------------------------------------------
   crhrw2 <-  |
      crhrw1 |           0   (no path)                                       0
     fdferw1 |           0   (no path)                                       0
  -----------+----------------------------------------------------------------
   crhrw3 <-  |
      crhrw2 |           0   (no path)                                       0
      crhrw1 |    .8038839    .0536151     14.99    0.000             .8123944
     fdferw1 |    .0028057    .0008712      3.22    0.001             .1189897
  -----------+----------------------------------------------------------------
   icdxcnt <- |
      crhrw2 |           0   (no path)                                       0
      crhrw1 |    .7402454    .1517554      4.88    0.000             .4088754
     fdferw1 |    .0025835    .0009167      2.82    0.005             .0598871
  -----------+----------------------------------------------------------------
   whppa <-   |
      crhrw2 |     7.13271    .3409613     20.92    0.000             .4519889
      crhrw3 |   -2.897393    .5791345     -5.00    0.000            -.1832579
     icdxcnt |   -.8481071    .2521807     -3.36    0.001            -.0981441
       whppa |   -.3521664    .0561491     -6.27    0.000            -.3521664
    whpsleep |    .1433392    .0435059      3.29    0.001             .2447679
      crhrw1 |    3.923491    .5634407      6.96    0.000              .250785
     fdferw1 |    .0311999    .0088711      3.52    0.000             .0836921
     fdferw2 |   -.0687192    .0171306     -4.01    0.000             -.133254
  -----------+----------------------------------------------------------------
   whpel <-   |
      crhrw2 |    11.09067    .8595701     12.90    0.000             .3403454
      crhrw3 |    6.370759    1.273395      5.00    0.000             .1951351
     icdxcnt |     1.86481    .5544925      3.36    0.001              .104505
       whppa |    -.027375    .0043646     -6.27    0.000            -.0132569
    whpsleep |   -.3151728    .0956604     -3.29    0.001            -.2606316
      crhrw1 |    5.145426     .878942      5.85    0.000             .1592719
     fdferw1 |    .0648106    .0176083      3.68    0.000              .084191
     fdferw2 |   -.0053418    .0244548     -0.22    0.827            -.0050162
  -----------+----------------------------------------------------------------
   whpsl~p <- |
      crhrw2 |    9.526252    .4553785     20.92    0.000             .3535133
      crhrw3 |    7.118531    1.422861      5.00    0.000             .2636672
     icdxcnt |    2.083693    .6195763      3.36    0.001             .1412075
       whppa |   -.4703439    .0749912     -6.27    0.000            -.2754394
    whpsleep |   -.3521664    .1068886     -3.29    0.001            -.3521664
      crhrw1 |    5.240108    .9937312      5.27    0.000             .1961461
     fdferw1 |    .0416698    .0128454      3.24    0.001             .0654579
     fdferw2 |   -.0917795    .0283992     -3.23    0.001            -.1042217
-------------+----------------------------------------------------------------


Total effects
(Std. Err. adjusted for 339 clusters in id)
-------------+----------------------------------------------------------------
             |               Robust
             |      Coef.    Std. Err.       z    P>|z|             Std. Coef.
-------------+----------------------------------------------------------------
 Structural   |
   cumdo~2 <- |
    cumdose1 |    1.339597    .2873117      4.66    0.000             .8928449
  -----------+----------------------------------------------------------------
   cumdo~3 <- |
    cumdose2 |    1.087217    .0775735     14.02    0.000             1.019854
    cumdose1 |    1.412499    .3182587      4.44    0.000             .8831041
  -----------+----------------------------------------------------------------
   crhrw2 <-  |
      crhrw1 |    .7626206    .0387286     19.69    0.000             .7692442
     fdferw1 |    .0026616    .0008316      3.20    0.001             .1126696
  -----------+----------------------------------------------------------------
   crhrw3 <-  |
      crhrw2 |    1.054107    .0324707     32.46    0.000             1.056094
      crhrw1 |    .6856386    .0433822     15.80    0.000             .6928973
     fdferw1 |    .0028057    .0008712      3.22    0.001             .1189897
  -----------+----------------------------------------------------------------
   icdxcnt <- |
      crhrw2 |      .97066     .182801      5.31    0.000             .5315287
      crhrw1 |     .172467     .100654      1.71    0.087             .0952623
     fdferw1 |    .0104131    .0024516      4.25    0.000             .2413769
  -----------+----------------------------------------------------------------
   whppa <-   |
      crhrw2 |     7.13271    .3409613     20.92    0.000             .4519889
      crhrw3 |    5.329946    1.065356      5.00    0.000              .337115
     icdxcnt |    1.560149    .4639031      3.36    0.001             .1805426
       whppa |   -.3521664    .0561491     -6.27    0.000            -.3521664
    whpsleep |    -.263682     .080032     -3.29    0.001            -.4502668
      crhrw1 |    3.923491    .5634407      6.96    0.000              .250785
     fdferw1 |    .0311999    .0088711      3.52    0.000             .0836921
     fdferw2 |   -.0687192    .0171306     -4.01    0.000             -.133254
  -----------+----------------------------------------------------------------
   whpel <-   |
      crhrw2 |    11.09067    .8595701     12.90    0.000             .3403454
      crhrw3 |    6.370759    1.273395      5.00    0.000             .1951351
     icdxcnt |    4.507457    .9863189      4.57    0.000             .2526004
       whppa |    .7743402    .1084818      7.14    0.000             .3749908
    whpsleep |   -.0204968    .1258989     -0.16    0.871            -.0169498
      crhrw1 |    5.145426     .878942      5.85    0.000             .1592719
     fdferw1 |    .0648106    .0176083      3.68    0.000              .084191
     fdferw2 |    .1355764    .0562948      2.41    0.016             .1273136
  -----------+----------------------------------------------------------------
   whpsl~p <- |
      crhrw2 |    9.526252    .4553785     20.92    0.000             .3535133
      crhrw3 |    7.118531    1.422861      5.00    0.000             .2636672
     icdxcnt |    2.083693    .6195763      3.36    0.001             .1412075
       whppa |    .8652288    .1379513      6.27    0.000              .506689
    whpsleep |   -.3521664    .1068886     -3.29    0.001            -.3521664
      crhrw1 |    5.240108    .9937312      5.27    0.000             .1961461
     fdferw1 |    .0416698    .0128454      3.24    0.001             .0654579
     fdferw2 |    .1688345     .047305      3.57    0.000             .1917228
-------------+----------------------------------------------------------------

. set more off

. estat framework
(model contains no latent variables)


Endogenous variables on endogenous variables


                 | observed
    Beta   | cumdose2    cumdose3    crhrw2    crhrw3    icdxcnt
    -------------+-------------------------------------------------------
    observed  |
    cumdose2   |         0            0            0            0            0
    cumdose3   |  1.087217            0            0            0            0
    crhrw2   |         0            0            0            0            0
    crhrw3   |         0            0     1.054107            0            0
    icdxcnt   |         0            0       .97066            0            0
    whppa   |         0            0            0     8.227339     2.408256
    whpel   |         0            0            0            0     2.642648
    whpsleep   |         0            0            0            0            0
    -------------+-------------------------------------------------------

                 | observed
    Beta   | whppa    whpel    whpsleep
    -------------+---------------------------------
    observed  |
    cumdose2   |         0            0            0
    cumdose3   |         0            0            0
    crhrw2   |         0            0            0
    crhrw3   |         0            0            0
    icdxcnt   |         0            0            0
    whppa   |         0            0    -.4070212
    whpel   |  .8017152            0      .294676
    whpsleep   |  1.335573            0            0
    -------------+---------------------------------


Exogenous variables on endogenous variables


                 | observed
    Gamma   | cumdose1    crhrw1    fdferw1    fdferw2
    -------------+--------------------------------------------
    observed  |
    cumdose2   |  1.339597            0            0            0
    cumdose3   | -.0439337            0            0            0
    crhrw2   |         0     .7626206     .0026616            0
    crhrw3   |         0    -.1182453            0            0
    icdxcnt   |         0    -.5677784     .0078295            0
    whppa   |         0            0            0            0
    whpel   |         0            0            0     .1409182
    whpsleep   |         0            0            0      .260614
    -------------+--------------------------------------------


Covariances of error variables


                 | observed
    Psi   | e.cumdo~2    e.cumdo~3    e.crhrw2    e.crhrw3    e.icdxcnt
    -------------+-------------------------------------------------------
    observed  |
    e.cumdose2   |  1.271465
    e.cumdose3   |         0     .0652934
    e.crhrw2   |         0            0      .274573
    e.crhrw3   |         0            0            0     .0643692
    e.icdxcnt   |         0            0            0            0     2.322734
    e.whppa   |         0            0            0            0            0
    e.whpel   |         0            0            0    -.6904974            0
    e.whpsleep   |         0            0            0            0            0
    -------------+-------------------------------------------------------

                 | observed
    Psi   | e.whppa    e.whpel    e.whpsl~p
    -------------+---------------------------------
    observed  |
    e.whppa   |  321.0013
    e.whpel   |         0     550.1565
    e.whpsleep   |         0            0     599.4561
    -------------+---------------------------------


Intercepts of endogenous variables


                 | observed
    alpha   | cumdose2    cumdose3    crhrw2    crhrw3    icdxcnt
    -------------+-------------------------------------------------------
    _cons   |  .3879549     .1920846    -.1613313    -.0071048     1.981495
    -------------+-------------------------------------------------------

                 | observed
    alpha   | whppa    whpel    whpsleep
    -------------+---------------------------------
    _cons   |  12.94629     2.500899     .3802579
    -------------+---------------------------------


Covariances of exogenous variables


                 | observed
    Phi   | cumdose1    crhrw1    fdferw1    fdferw2
    -------------+--------------------------------------------
    observed  |
    cumdose1   |   2.78471
    crhrw1   |  .1344321      .861959
    fdferw1   |   5.08249     14.91383     1518.066
    fdferw2   |  2.297825     10.74343     752.7219     793.2915
    -------------+--------------------------------------------


Means of exogenous variables


                 | observed
    kappa   | cumdose1    crhrw1    fdferw1    fdferw2
    -------------+--------------------------------------------
    mean   |  .4300973    -.1421184     32.20059     16.35693
    -------------+--------------------------------------------