&gt; 1        2.8728   0.0232    123.96   0.000000</span>
<span class="co">#&gt; z11     -0.1053   0.0124     -8.52   0.000000</span>
<span class="co">#&gt; eta1    -0.0407   0.0117     -3.47   0.000523</span>
<span class="co">#&gt; </span>
<span class="co">#&gt; Means:</span>
<span class="co">#&gt;        Estimate       SE   Est./SE   p-value</span>
<span class="co">#&gt; eta1       1.64   0.0744      22.1         0</span>
<span class="co">#&gt; z11        1.55   0.0547      28.4         0</span>
<span cla