ent age (years)</p></td>
    </tr>
    <tr>
      <th>totchol</th>
      <td><p>Total cholesterol (mg/dL)</p></td>
    </tr>
    <tr>
      <th>hdl</th>
      <td><p>HDL cholesterol (mg/dL)</p></td>
    </tr>
    <tr>
      <th>sbp</th>
      <td><p>Systolic blood pressure (mm Hg)</p></td>
    </tr>
    <tr>
      <th>bp_med</th>
      <td><p>Patient is on a blood pressure medication (1=Yes, 0=No)</p></td>
    </tr>
    <tr>
      <th>smoker</th>
      <td><p>Current smoker (1=Yes, 0=No)</p></td>
    </tr>
