# Workflow Column renders 'undefined' with attr selector

I'm using SPServices to get list items. I'm having difficulty getting the value for my workflow status column as it keeps coming back undefined. I am using the internal name so not sure why it would come back undefined? There are values in the column. I know that SP stores the Workflow Status value as an integer. Also, this is a Nintex Workflow not Designer if that makes a difference. See code below:

$()SPServices({ operation: "GetListItems", async: false, CAMLViewFields: "<ViewFields><FieldRef Name='docLink' /></ViewFields>", list name: "Program", debug: true, completefunc: function (xData, Status) {$(xData.responseXML).SPFilterNode("z:row").each(function(){