d version. By setting <span class="math inline">\(z_{1} = 1\)</span> and <span class="math inline">\(z_{0} = 0\)</span> we can go back to binary case.</p>
</div>
</div>
<div id="estimated-variance-of-relative-risk" class="section level2">
<h2>Estimated variance of relative risk</h2>
<p>In case of (adjusted) odds ratio derived from logistic regression, we can directly obtain variance-covariance matrix for coefficients using <code>glm</code> function in <code>R</code>. However, deriving variance of adjusted r