">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>        coef exp(coef) se(coef)     z Pr(&gt;|z|)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> x1.1 1.4753    4.3723   1.2557 1.175    0.240</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> x2.2 0.8571    2.3563   0.8848 0.969    0.333</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      exp(coef) exp(-coef) lower .95 upper .9