Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing the fixed effect of marital status (unmarried) vs reference group (married), controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss. Corresponds to H2 in Protocol: Older adults with adequate social support will demonstrate a greater likelihood to complete decision-making for aging-in-place.

Alpha for significance=0.05 for all tests.

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing the effect of Limited Health Literacy (vs adequate), as measured by the Newest Vital Sign index, controlling for repeated assessments within-subjects, on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss. Test corresponds to H4 in protocol: Older adults who have lower health literacy will be less likely to complete decision-making for aging-in-place.

Alpha for significance=0.05 for all tests.

GLMM (all models evaluated in SAS 9.4) testing the effect of Limited Health Literacy (vs adequate), as measured by the Rapid Estimate of Adult Literacy in Medicine index, controlling for repeated assessments within-subjects, on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.Test corresponds to H4 in protocol: Older adults who have lower health literacy will be less likely to complete decision-making for aging-in-place.

Alpha for significance=0.05 for all tests.

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing the effect of former tobacco use (vs never used) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha for significance p=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing the effect of current tobacco use (vs never used) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

GLMM (all models evaluated in SAS 9.4) testing level of Tangible Social Support (Adequate, vs ref no perceived need) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss. Test corresponds to H2. Older adults with adequate levels of social support will demonstrate a greater likelihood to complete decision-making for aging-in-place.

alpha =0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing level of Tangible Social Support (more support needed, vs ref no perceived need) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing affirmative use of the web-based intervention (Plan Your Lifespan tool, or PYL) in prior 12 months as a binary (yes/no) fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss. Corresponds to Protocol H3.

alpha=.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing for the effect of presence of cognitive impairment (any cognitive impairment=yes, vs reference group no) as fixed effect, controlling for repeated assessments within-subjects, on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Consumer Health Activation- Low Activation (vs ref moderate activation) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Consumer Health Activation- high Activation (vs ref moderate activation) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Advance Care Planning- absence of a Living Will (vs ref level has living will) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Advance Care Planning- does not have Power of Attorney (vs ref level has PoA) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Event and Goal Concordance- No Hospitalization in past 6 months (vs ref level hospitalization prior 6 months) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Event and Goal Concordance- New or Worsening Memory Loss in past 6 months (vs ref level no new/worsening Memory Loss, prior 6 months) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

Alpha=0.05

GLMM in SAS 9.4 testing experiences with others- Hospitalization in past 6 months (vs ref level no experiences with others- hospitalization prior 6 months) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss. Participants were asked "In the past 6 months, have you had any personal experience with someone else who has been hospitalized?"

alpha=0.05

GLMM in SAS 9.4 testing experiences with others- additional living support in past 6 months (vs ref level no experiences with others- additional living support) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for LTC in the event of ADML. Participants were asked "In the past 6 months, have you had any experiences with someone else requiring additional support in their home/needing to move into assisted living?"

alpha=0.05

GLMM in SAS 9.4 testing experiences with others- any prior ADML experiences (vs ref level no prior ADML experiences with others) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for LTC in the event of ADML. Participants were asked "Have you had any prior experiences with someone else who has/ has had Alzheimer's disease and/or memory loss?"

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing age at baseline in years, continuous, as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Months since Baseline, continuous, as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha for significance=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Physical Function (measured by PROMIS Physical Function - Short Form 10a T score) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Inductive Reasoning (measured by ETS Letter Sets score, ETS, 1976) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Physical Function (measured by PROMIS Anxiety - Short Form 7a T score) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Working Memory (as measured by size judgment span index, cherry 1993) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing subject processing speed (measured by digit comparison test, salthouse 1992) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Long Term Memory (measured by New York Paragraph Test, Kruger 1999) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Depression (measured by PROMIS Depression- Short Form 8b T score) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing subject Verbal Ability (measured by AM-NART score, Grober 1991) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Number of prescription medications, continuous, as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Number of chronic conditions, continuous, as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing subject Routinism levels, measured by the busyness and Routine Scale (Martin, 2003)as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing busyness, measured by the busyness and Routine Scale (Martin, 2003)as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Subject Social Network Strength, measured by the Lubben Social Network Index ( Lubben 2006) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha = 0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing General Self Efficacy (measured by PROMIS Self Efficacy T score) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Self Efficacy in Social Interactions (measured by PROMIS Self Efficacy in Social Interactions- Short Form 4a T score) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05

Generalized Linear Mixed Model (all models evaluated in SAS 9.4) testing Subject Self- Management skills (measured by Curtis Comprehensive Health Activities Scale, Curtis 2015) as fixed effect, controlling for repeated assessments within-subjects, for the effect on the outcome of probability (OR) of planning for Long Term Care in the event of Alzheimer's Dementia/Memory Loss.

alpha=0.05