Code:
Sub ScratchMacro()
'A basic Word macro coded by Greg Maxey
Dim oRow As Row
Dim oCtr As InlineShape
Set oRow = ActiveDocument.Tables(1).Rows.Last
Set oCtr = oRow.Range.Cells(4).Range.InlineShapes.AddOLEControl(ClassType:="Forms.CheckBox.1")
oCtr.OLEFormat.Object.Caption = ""
End Sub