How store value of Health Status to Hidden field using jQuery ?

Question

I work on asp.net mvc I face issue i can't store value of health status on hidden field using jQuery then pass hidden field value after get value to approve () function when click agree button click on hidden field i will assign value true when checkbox Yes checked and assign value false when check box No checked then after hidden field get value true or false i will pass it to approve function java script when click button agree i'm not use hidden field before so can you help me please

<td style="width: 50%; font-weight: bold; padding-top: 10px;">
             @Html.Label("HealthStatus?", htmlAttributes: new { @class = "control-label col-md-5" })
             <div class="col-md-7">
                 <input type="checkbox" id="HealthStatusTrue" name="HealthStatus" value="true" class="healthstatus-checkbox" @(Model.HealthStatus == true ? "checked" : "") />
                 Yes
                 &nbsp;&nbsp;
                 <input type="checkbox" id="HealthStatusFalse" name="HealthStatus" value="false" class="healthstatus-checkbox" @(Model.HealthStatus == false ? "checked" : "") />
                 No
             </div>
         </td>
<a id="approveControlsId" onclick="approve();" class="btn btn-primary" style="min-width: 100px;margin-top:5px;"><i class="glyphicon glyphicon-ok"></i> agree </a>

ASP.NET (C#)

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on csharp property HealthStatus is boolean as below 

public class HealthStatusData
{
public bool? HealthStatus {get;set;}
}

C#

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so how to create hidden field then assign value of Healthstatus to hidden field using jQuery

$('.healthstatus-checkbox').on('change', function () {
   // how to assign value to hidden field
});

JavaScript

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then after that pass to approve function java script

<script type="text/javascript">
  function approve() {
var HealthStatusData = new Object();
            HealthStatusData.HealthStatus = ???????????????
// how to get hidden field value here
      }
</script>

JavaScript??