[ {
  "id" : {
    "studyAccession" : "SDY5",
    "pivotTable" : "Substance Use",
    "pivotByTable" : "Chewed tobacco"
  },
  "totalCount" : 2,
  "armAccessions" : "ARM246; ARM247; ARM248; ARM249; ARM250",
  "armCounts" : "1;  ; 1;  ;  "
}, {
  "id" : {
    "studyAccession" : "SDY5",
    "pivotTable" : "Substance Use",
    "pivotByTable" : "Cigarettes"
  },
  "totalCount" : 26,
  "armAccessions" : "ARM246; ARM247; ARM248; ARM249; ARM250",
  "armCounts" : "5; 14; 4; 3;  "
}, {
  "id" : {
    "studyAccession" : "SDY5",
    "pivotTable" : "Substance Use",
    "pivotByTable" : "Cigarettes, Cigars, Pipes or Chewed tobacco"
  },
  "totalCount" : 28,
  "armAccessions" : "ARM246; ARM247; ARM248; ARM249; ARM250",
  "armCounts" : "6; 15; 4; 3;  "
}, {
  "id" : {
    "studyAccession" : "SDY5",
    "pivotTable" : "Substance Use",
    "pivotByTable" : "Cigars"
  },
  "totalCount" : 2,
  "armAccessions" : "ARM246; ARM247; ARM248; ARM249; ARM250",
  "armCounts" : " ; 1; 1;  ;  "
} ]