\begin{Schunk}
\begin{Sinput}
 round(vcov(mod2), 3)
\end{Sinput}
\begin{Soutput}
            (Intercept)  satis jobperf tenure    age
(Intercept)       0.201 -0.007  -0.008  0.001 -0.003
satis            -0.007  0.002   0.000  0.000  0.000
jobperf          -0.008  0.000   0.001  0.000  0.000
tenure            0.001  0.000   0.000  0.000  0.000
age              -0.003  0.000   0.000  0.000  0.000
\end{Soutput}
\end{Schunk}
