Variables Included

SUBJID = De-identified Identification Number of subject
FAMID = De-identified Identification Number of family= SUBJID
FATHER = 0
MOTHER = 0
SEX = 1 if male, =2 if female
DISABLED = 1
RACE = 1 if white; = 2 if nonwhite
AGE_GRP = 65–69, 70–74, 75–79, 80–84, 85–89, or 90+ years at time of 1999 NLTCS survey
AGE_CAT = 1, 2, 3, 4, 5, or 6, depending on AGE_GRP
WGT_1 = NLTCS survey sampling weight #1, defined for all 913 participants
WGT_2 = NLTCS survey sampling weight #2, defined for whites only; = 0 if nonwhite
ADL = 1 if HIPAA ADL Trigger is met and WGT_2 > 0; = 0 if HIPAA ADL Trigger is not met and WGT_2 > 0; = NULL field if WGT_2 = 0
WGT_3 = NLTCS survey sampling weight #3, defined for whites with completed cognitive impairment (CI) assessment; = 0 otherwise
CI = 1 if HIPAA CI Trigger is met and WGT_3 > 0; = 0 if HIPAA CI Trigger is not met and WGT_3 > 0; = NULL field otherwise. The HIPAA CI trigger is defined as a loss or deterioration in intellectual capacity that is comparable to and includes Alzheimer’s disease (AD) and AD-related dementias (ADRD).
HIPAA = Combined HIPAA ADL and CI Trigger: = 0, 1, 2, or 3, depending on the calculation: HIPAA = (2*ADL) + CI, if WGT_3 > 0; = NULL field otherwise