app/views/checklists/_relevant.html.erb
<table>
<%- radio_button_group(@checklist,relevant) do |answer_definition, is_checked| %>
<tr>
<td>
<%= check_box_tag "element_definition[#{relevant.id}]", answer_definition.id, is_checked if answer_definition.value == "0" %>
</td>
<td>
<label for="<%="element_definition_#{relevant.id}" %>">
<%= (answer_definition.text) %>
</label>
</td></tr>
<%- end -%>
</table>