<input type="checkbox" id="check_glucose" value="Glucose" data-bind="checked: onGlucose">

 <input type="number" class="form-control" id="estimatedAmt" data-bind="value: estimatedAmount">

var GlucoseModel = function () {
            var self = this;
            self.onGlucose= ko.observable(initialData.OnGlucose);
            self.estimatedAmount= ko.observable(initialData.EstimatedAmount);
}

ko.applyBindings(new GlucoseModel);