STAMP: Sharing and Talking About My Preferences

This will be a randomized controlled trial examining the effect of an individually
TTM-tailored intervention on the proportion of middle-age and older persons recruited from
primary care practices who complete four ACP behaviors (completion of a living will,
assignment of a health care proxy, and communication with loved ones and with their clinician
about views on quality versus quantity of life) over six months, compared with usual care.

Inclusion Criteria:

- Participants will be community-dwelling persons with an upcoming primary care visit in
the study's practice settings.

Exclusion Criteria:

- Severe hearing impairment, defined as being unable to participate in a telephone
conversation.

- Severe visual impairment, defined as being unable to read large-print materials.

- Moderate to severe cognitive impairment, defined as either a diagnosis of dementia
and/or short-term recall of <2/3 objects at 2 minutes.

- Primary language other than English.

- Having completed all of the four ACP behaviors that are the focus of this study.