Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
18. What percentage of the time during an average day do you speak English? ADNI Demographic information
Patient and caregiver demographic information
 Other NIA-funded studies
  • ▼ ADNI
    • ▼ CRFNAME: Participant Demographics
      • ▼ TBLNAME: PTDEMOG
        • ▼ FLDNAME: PTSPTIM
          • DD_CRF_VERSION: None

# Datatype Datatype number min value Datatype number max value Datatype number precision

UUID: ad43bbef-7f71-5a83-9aa1-6eda531cd162

Number 0.0 100.0 0.0

# Identifier Origin Version

UUID: 39f4554d-2d65-58a0-9323-fd0cd5ea816b

ADNI4_Participant Demographics_PTDEMOG_PTSPTIM_NODD_CRF_VERSION ADNI-PHASE+CRFNAME+TBLNAME+FLDNAME+DD_CRF_VERSION ADNI_01-12-2025