Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
1. Does the participant have beliefs that you know are not true (for example, insisting that people are trying to harm him/her or steal from him/her)? Has he/she said that family members are not who they say they are or that the house is not their home? I'm not asking about mere suspiciousness; I am interested if the participant is convinced that these things are happening to him/her. NACC Health assessment
e.g., Activities of Daily Living (ADL), Instrumental ADL, cognitive function, etc.
Other NIA-funded studies
  • NACC
    • Lewy Body Dementia
      • Form name- B4L: Neuropsychiatric Inventory (NPI)
        • Packet- Initial Visit Packet
          • Variable name- lbdelus

# Datatype
Value List

# Permissible value Value meaning name
0 No
1 Yes
8 Not applicable

# Identifier Origin Version
LBD_b4l_Initial Visit Packet_lbdelus NACC-source_dataset+form_name+packet+var_name NACC_lbd-v3.1-ivp-ded-02252025