------------------------------------------------------------------------------
cfs | IRR Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
cfs |
sta | 1.067447 .0492578 1.41 0.157 .9751409 1.168491
dist | .7978592 .0536207 -3.36 0.001 .6993919 .9101896
culatm | .8925398 .044992 -2.26 0.024 .8085734 .9852257
othcfs | 1.888739 .0912059 13.17 0.000 1.718177 2.076232
sex | .8498448 .0628885 -2.20 0.028 .7351074 .9824908
agegrp | .6890328 .0460133 -5.58 0.000 .6045011 .7853853
_cons | 7.727302 1.783283 8.86 0.000 4.915755 12.1469
-------------+----------------------------------------------------------------
inflate |
sta | -.3955254 .0577164 -6.85 0.000 -.5086475 -.2824034
dist | .6014229 .0753992 7.98 0.000 .4536433 .7492025
culatm | -.0470258 .0693537 -0.68 0.498 -.1829566 .088905
othcfs | -1.097282 .0774811 -14.16 0.000 -1.249143 -.9454222
sex | .2675137 .0970708 2.76 0.006 .0772584 .457769
agegrp | 1.993541 .1028381 19.39 0.000 1.791982 2.1951
_cons | -1.540219 .305825 -5.04 0.000 -2.139625 -.9408126
-------------+----------------------------------------------------------------
/lnalpha | .8409936 .0583312 14.42 0.000 .7266667 .9553206
-------------+----------------------------------------------------------------
alpha | 2.31867 .1352507 2.068175 2.599504
------------------------------------------------------------------------------
Vuong test of zinb vs. standard negative binomial: z = 15.87 Pr>z = 0.0000
上面的那一栏和下面那一栏inflate分别代表什么,怎么看结果