\begin{Schunk}
\begin{Sinput}
 confint(reg.mod.1, level = .99)
\end{Sinput}
\begin{Soutput}
                0.5 %    99.5 %
(Intercept) 1.7750122 2.6015469
agency      0.1877538 0.5104771
\end{Soutput}
\end{Schunk}
