ut this option is provided for backwards-compatibility.</p></td>
    </tr>
    <tr>
      <th>zeta_sd</th>
      <td><p>Optional, the prior normal standard deviation of the slope
term in the efficacy logit model. A number. You should prioritise specifying
this value via <code>priors</code> but this option is provided for
backwards-compatibility.</p></td>
    </tr>
    <tr>
      <th>eta_mean</th>
      <td><p>Optional, the prior normal mean of the squared term
coefficient in the efficacy logit model. A numb