Demographic characteristics derived dataset.
Usage
data(DM)Source
For more details see the help vignette:
vignette(topic = 'ADNIMERGE2-Derived-Data', package = 'ADNIMERGE2')
Details
STUDYID character Study Identifier , with character options: ADNI
DOMAIN character Domain Abbreviation , with character options: DM
USUBJID character Unique Subject Identifier
SUBJID character Subject Identifier for the Study
ORIGPROT character Original study protocol First time participation in ADNI study phase; , with character options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
SESTDTC Date Screening Start Date/Time First screening start date/time; Date: YYY-MM-DD
RFSTDTC Date Subject Enrolled Date/Time * Date: YYY-MM-DD
RFPENDTC character Date/Time of End of Participation* Last known date/time when participant ended thier participation or follow-up in ADNI study. As character format for unknown MM-DD values.;
DTHDTC numeric Date/Time of Death Range value: 2006, ..., 2025
DTHFL character Subject Death Flag , with character options: Yes
SITEID numeric Study Site Identifier Range value: 1, ..., 941
AGE numeric Age Age at first screening visit (in years); Range value: 50.5, ..., 91.4
AGEU character Age Units , with character options: Years
SEX character Sex at Birth , with character options: Female, Male
RACE character Race
ETHNIC character Ethnicity , with character options: Not Hispanic or Latino, Hispanic or Latino, Unknown
ARMCD character Planned Arm Code
ARM character Description of Planned Arm
ACTARMCD character Actual Arm Code
ACTARM character Actual Treatment Description
ARMNRS character Reason Arm and/or Actual Arm is Null Non-Interventional Study; , with character options: Non-Interventional Study
COUNTRY character Country Country of the investigational site located;
DMDTC Date Date/Time of Collection Date: YYY-MM-DD
DMDY integer Study Day of Collection Range value: -363, ..., 256