{
  "name": "B12001_018M",
  "label": "Margin of Error!!Total!!Female!!Widowed",
  "concept": "SEX BY MARITAL STATUS FOR THE POPULATION 15 YEARS AND OVER",
  "predicateType": "int",
  "group": "B12001",
  "limit": 0,
  "attributes": "B12001_018MA",
  "attribute of": "B12001_018E",
  "attribute type": "Margin of Error"
}