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Family History Questionnaire Subtable

Source: R/data.R
RECFHQ.Rd

Family History Questionnaire Subtable data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(RECFHQ)

Format

A data frame with 7407 observations and 16 variables.

Source

https://adni.loni.usc.edu/data-samples/adni-data/

Details

  • ORIGPROT character Original study protocol , with options: ADNI1, ADNIGO, ADNI2

  • COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • ID numeric Range value: 4, ..., 7474

  • PTID character Participant ID

  • RID numeric Participant roster ID Range value: 2, ..., 5296

  • SITEID numeric Site ID Range value: 1, ..., 127

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

  • VISDATE Registry EXAMDATE on matching VISCODE Date: YYY-MM-DD

  • USERDATE Date record created Date: YYY-MM-DD

  • USERDATE2 Date record last updated Date: YYY-MM-DD

  • RECNO numeric Range value: 1, ..., 21

  • FHQGNDR character Gender 1=Male ; 2=Female Decoded Value: Yes

  • FHQSIB character Dementia

    • ADNI1: 1=Yes ; 0=No

    • ADNIGO, ADNI2: 1=Yes ; 0=No ; 2=Don't Know

    Decoded Value: Yes

  • FHQSIBAD character Alzheimer's Disease

    • ADNI1: 1=Yes ; 0=No

    • ADNIGO, ADNI2: 1=Yes ; 0=No ; 2=Don't Know

    Decoded Value: Yes

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com