code></pre></div>
<p>To obtain an omnibus likelihood ratio test of the significance of
depression differences across classes, as well as pairwise comparisons
between classes, use <code>lr_test(aux_dep)</code>. The results indicate
that there are no significant differences in depression across classes,
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>Δ</mi><mi>L</mi><mi>L</mi><mrow><mo stretchy="true" form="prefix">(</mo><mn>5</mn><mo stretchy="true" form="postfix">)</m