ptdemog.RdParticipant Demographic Information
data(ptdemog)
A data frame with 4855 rows and 31 variables
A dataset with variables as follows:
PTCOGBEG N 11a. Year of onset of cognitive symptoms (best estimate)
PTADDX N 11b. Year of Alzheimer's Disease diagnosis
PTMCIBEG N NA 11a. Year of onset of Mild Cognitive Impairment symptoms (best estimate)
PTDOBMM N NA 2a. Participant Month of Birth
PTDOBYY N NA 2b. Participant Year of Birth
RID N Participant roster ID
SITEID N Site ID
VISCODE T Visit code
USERDATE S Date record created
EXAMDATE D Examination Date
PTSOURCE N Information Source
PTGENDER N 1. Participant Gender
PTDOB D 2. Participant Date of Birth
PTHAND N 3. Participant Handedness
PTMARRY N 4. Participant Marital Status
PTEDUCAT N 5. Participant Education
PTWORKHS N 5a. Does the participant have a work history sufficient to exclude mental retardation? <!--Participant Education-->
PTWORK T 6a. Primary occupation during most of adult life
PTWRECNT T 6b. Most recent occupation
PTNOTRT N 7. Participant Retired?
PTRTYR D Retirement Date
PTHOME N 8. Type of Participant residence
PTOTHOME T If Other, specify:
PTTLANG N 9. Language to be used for testing the Participant
PTPLANG N 10. Participant's Primary Language
PTPSPEC T If Other, specify:
PTADBEG N 11. Year of onset of Alzheimer's disease symptoms (best estimate)
PTETHCAT N 12. Ethnic Category
PTRACCAT N 13. Racial Categories
USERDATE2 S Date record last updated
AGE