Status at phase 1 WHO85

Phase 1: Diabetic status at baseline, according to WHO 1985 guidelines. 1 = known diabetes; 2 = undiagnosed diabetes; 3 = IGT; 4 = normal; 5 = unclassified; 9 = young cohort; came in Phase 2. Data which has been released prior to Dec 2013 has been released under var name bsgroup

Categorical

Status at phase 1 WHO85

Phase 2: Diabetic status at baseline, according to WHO 1985 guidelines. 1 = known diabetes; 2 = undiagnosed diabetes; 3 = IGT; 4 = normal; 5 = unclassified; 9 = young cohort; came in Phase 2. Data which has been released for Phase 2 prior to Dec 2013 has been released under var name bsgroup

Categorical

None

Phase 2: Diabetic status? Has option 1,2,3,4,5 and 9, unclear what they refer to

Age diabetes diagn

Age at diabetes diagnosis in years. This is the difference in years between DOB and bkdate_3 if either gl0f_3>=7 mmol/l or gl120f_3>=11.1 mmol/l

P2 WHO85

Phase 2: Status at follow up (1994-96) WHO85 2 = diabetes, 3 = IGT, 4 = normal

Categorical

P1 WHO99

Phase 1: Phase 1 status WHO99 1 = normal; 2 = IFG; 3 = IGT; 4 = undiagnosed diabetes; 5 = known diabetes; 6 = unclassified; 9 = young cohort came in Phase II;

P2 WHO99

Phase 2: Phase 2 status WHO99 1 = normal, 2 = IFG, 3 = IGT, 4 = diabetes

P2 diab status

Phase 3: Phase 3 status (according to freash pg) 1 = normal, 2 = IFG, 3 = IGT, 4 = diabetes

Categorical

parental hist of diabetes

Phase 1: Is there a history of Diabetes mellitus in the subjects parent(s)? 0 = ; 1 =; Note: should this data correlate with data for variable parentfh? Does not always do so. Data which has been released prior to Dec 2013 has been released under var name phdm.

Categorical

parental hist of diabetes (different from PARENTFH)

Phase 3: Is there a history of Diabetes mellitus in the subjects parent(s)? 0 = ; 1 = Note: should this data correlate with data for variable parentfh? Does not always do so. Data which has been released prior to Dec 2013 has been released under var name phdm

Categorical

sibling history of diabetes

Phase 1: Is there a history of Diabetes mellitus in the subjects sibling(s)? 0 = ; 1 = ;

Categorical

sibling history of diabetes (different from SIBFH)

Phase 3: Is there a history of Diabetes mellitus in the subjects sibling(s)? 0 = ; 1 = Note: This data should correlate with data for variable sibfh but does not always do so. Data which has been released prior to Dec 2013 has been released under var name "shdm".

Categorical

FH of NIDDM in sibling

Phase 1: Is there a history of Diabetes mellitus in the subjects sibling(s)? 0 = No FH in siblings; 1 = Positive FH in siblings;

Categorical