#&gt; z42 ~ 1         -0.119   0.1155     -1.03   0.302098</span>
<span class="co">#&gt; eta1 =~ z42      1.293   0.0572     22.61   0.000000</span>
<span class="co">#&gt; z43 ~ 1         -0.443   0.1221     -3.63   0.000282</span>
<span class="co">#&gt; eta1 =~ z43      1.350   0.0619     21.80   0.000000</span>
<span class="co">#&gt; z41 ~~ z41       1.452   0.0924     15.70   0.000000</span>
<span class="co">#&gt; z42 ~~ z42       1.456   0.1231     11.83   0.000000</span>
<span class="co">#&gt; z43 ~~ z