Stata Logistic

The logistic command runs a logistic regression.

Usage

Adapted from here:

. use https://stats.idre.ucla.edu/stat/stata/dae/binary, clear

. logistic admit gre gpa i.rank

Logistic regression                               Number of obs   =        400
                                                  LR chi2(5)      =      41.46
                                                  Prob > chi2     =     0.0000
Log likelihood = -229.25875                       Pseudo R2       =     0.0829

------------------------------------------------------------------------------
       admit | Odds ratio   Std. Err.      z    P>|z|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
         gre |   1.002267   .0010965     2.07   0.038      1.00012    1.004418
         gpa |   2.234545   .7414652     2.42   0.015     1.166122    4.281877
             |
        rank |
          2  |   .5089309   .1610714    -2.13   0.033     .2736922    .9463578
          3  |   .2617923   .0903986    -3.88   0.000     .1330551    .5150889
          4  |   .2119375   .0885542    -3.71   0.000     .0934435    .4806919
             |
       _cons |   .0185001   .0210892    -3.50   0.000     .0019808    .1727834
------------------------------------------------------------------------------
Note: _cons estimates baseline odds.

Compare the output of logit, which ordinarily shows coefficients rather than odds ratios.

See here for details on factor variables.

See also

Stata manual for logistic post-estimation

CategoryRicottone