黃河泉 发表于 2018-12-23 11:32
结果为
. use "C:\Users\JGY3\Desktop\1222.dta"
. sgmediation te , mv( z1 ) iv(d)
Model with dv regressed on iv
Source | SS df MS Number of obs = 3865
-------------+------------------------------ F( 1, 3863) = 54.74
Model | 1.32174584 1 1.32174584 Prob > F = 0.0000
Residual | 93.2731271 3863 .024145257 R-squared = 0.0140
-------------+------------------------------ Adj R-squared = 0.0137
Total | 94.5948729 3864 .024481075 Root MSE = .15539
------------------------------------------------------------------------------
te | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
d | .088703 .0119889 7.40 0.000 .0651977 .1122082
_cons | .504131 .0025584 197.05 0.000 .4991152 .5091469
------------------------------------------------------------------------------
Model with mediator regressed on iv
Source | SS df MS Number of obs = 3865
-------------+------------------------------ F( 1, 3863) = 17.66
Model | 18.3255342 1 18.3255342 Prob > F = 0.0000
Residual | 4008.00698 3863 1.0375374 R-squared = 0.0046
-------------+------------------------------ Adj R-squared = 0.0043
Total | 4026.33252 3864 1.04201152 Root MSE = 1.0186
------------------------------------------------------------------------------
z1 | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
d | .3302877 .0785898 4.20 0.000 .1762063 .4843691
_cons | 2.118576 .0167706 126.33 0.000 2.085696 2.151456
------------------------------------------------------------------------------
Model with dv regressed on mediator and iv
Source | SS df MS Number of obs = 3865
-------------+------------------------------ F( 2, 3862) = 45.41
Model | 2.17332266 2 1.08666133 Prob > F = 0.0000
Residual | 92.4215503 3862 .023931007 R-squared = 0.0230
-------------+------------------------------ Adj R-squared = 0.0225
Total | 94.5948729 3864 .024481075 Root MSE = .1547
------------------------------------------------------------------------------
te | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
z1 | .0145763 .0024435 5.97 0.000 .0097856 .019367
d | .0838886 .0119629 7.01 0.000 .0604344 .1073427
_cons | .47325 .0057694 82.03 0.000 .4619386 .4845614
------------------------------------------------------------------------------
Sobel-Goodman Mediation Tests
Coef Std Err Z P>|Z|
Sobel .00481438 .0014013 3.436 .00059112
Goodman-1 .00481438 .0014144 3.404 .00066445
Goodman-2 .00481438 .00138808 3.468 .00052361
Pecent of total effect that is mediated: 5.43 %
Ratio of indirect to direct effect: 0.0574
. Bootstrap with case resampling
bootstrap already defined
(error occurred while loading Bootstrap.ado)
r(110);
. bootstrap r(ind_eff) r(dir_eff), reps(100): sgmediation te , mv( z1 ) iv(d) cv( x8 x6 z2 z3 z4 z5 z6 z7 z9 z8 z10 z11 )
(running sgmediation on estimation sample)
'r(ind_eff)' evaluated to missing in full sample
r(322);
.
.
黄老师,还是这样的结果~我的自变量是虚拟变量