MDC Family disease heredity
2017-03-09
Contents
Family disease heredity according to question 65 (version 1), questions 124 to 133 (version 2) or questions 86 to 95 (version 3) in the questionnaire. The accounted diseases are: cancer, heart infarction, stroke and diabetes (only version 1).
Lines: 119 649 records of 28 459 individuals
Variables: 11
Miscellaneous
Versions 2 and 3 of the questionnaire did not contain questions about diabetes in relatives. Data of diseases in children are available from version 1 in MDC Family heredity, but from version 2 and 3 in MDC Questionnaire (see variables sd134a to sd134c).
List of variables
| Name | Variable label | Type | Format | Value label | Male | Female | Ver | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lopnrMKC | Baseline sequence number in MDCS (Numeric). Remarks: original variable name is [lopnr] (in Bodycomp [seqno]). | Numeric | F5 | 46 621 | 73 028 | 123 | ||||||
| udatum_sj | Questioning date. Remarks:The variable 'udatum_sj' ought to be identical with the variable 'udatum' in MDC baseline questionnaire, however the date differ for 32 individuals, as a consequence the suffix '_sj' has been added to the variable name. | Date | SDATE10 | 46 621 | 73 028 | 123 | ||||||
| ver | Version of the questionnaire form. Remarks: Three different questionnaire forms were used during the study period as given below Version 1: 1991 03 18 – 1992 03 10 Version 2: 1992 03 11 – 1994 09 26 Version 3: 1994 09 27 – 1996 09 30 The family heredity questions were identical in versions 2 and 3, but a few questions were different in comparison with version 1. | Numeric | F2 | 1 = Version 1 23 = Version 2 or 3 | 46 621 | 73 028 | 123 | |||||
| slaktska | Kind of kinship to the relative. | String | A2 | BA = Child (only ver 1) BR = Brother F = Father HB = Half brother (only ver 23) HS = Half sister (only ver 23) M = Mother SY = Sister -8 = Did get the question but did not respond | 46 621 | 73 028 | 123 | |||||
| fdat_17 | Birth date of the relative (YYYYMMDD). Remarks: Records with known birth year but unknown month and day have been coded YYYY0000, records with known birth year and month but unknown day have been coded YYYYMM00. The original values of the variable have partly been corrected and edited, the new variable is called 'fdat_17' (March 9, 2017). Some relatives have doubtful or probably erroneous date or year of birth. | Numeric | F8 | -9 = Did not get the question -8 = Did get the question but did not respond | 43 108 | 68 803 | 123 | |||||
| lever | Is the relative alive?. Remarks: The original wording in the questionnaire is 'Död' (version 1) and 'Är i livet' versions 2 and 3). | Numeric | F1 | 1 = Alive 2 = Dead 3 = Don't know (only ver 1) -9 = Did not get the question -8 = Did get the question but did not respond | 45 546 | 71 804 | 123 | |||||
| dodar | Year of death of the relative (YY). Remarks: Some relatives have doubtful or probably erroneous year of death. | Numeric | F2 | -9 Did not get the question | 19 684 | 29 129 | 123 | |||||
| cancer | My relative has had/have cancer. | Numeric | F1 | 1 = Yes 2 = No 3 = Don't know -8 = Did get the question but did not respond | 46 534 | 72 907 | 123 | |||||
| infarkt | My relative has had/have heart infarction. | Numeric | F1 | 1 = Yes 2 = No 3 = Don't know -8 = Did get the question but did not respond | 46 507 | 72 891 | 123 | |||||
| slag | My relative has had/have stroke. | Numeric | F1 | 1 = Yes 2 = No 3 = Don't know -8 = Did get the question but did not respond | 46 498 | 72 877 | 123 | |||||
| socker | My relative has had/have diabetes. | Numeric | F1 | 1 = Yes (only ver 1) 2 = No (only ver 1) 3 = Don't know (only ver 1) -9 = Did not get the question -8 = Did get the question but did not respond | 5 365 | 8 163 | 1 | |||||