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Effect of the STAMP (Sharing and Talking About My Preferences) Intervention on Completing Multiple Advance Care Planning Activities in Ambulatory Care : A Cluster Randomized Controlled Trial.

Fried TR, Paiva AL, Redding CA, Iannone L, O'Leary JR, Zenoni M, Risi MM, Mejnartowicz S, Rossi JS. Effect of the STAMP (Sharing and Talking About My Preferences) Intervention on Completing Multiple Advance Care Planning Activities in Ambulatory Care : A Cluster Randomized Controlled Trial. Annals of internal medicine. 2021 Nov 1; 174(11):1519-1527.

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BACKGROUND: Interventions with the potential for broad reach in ambulatory settings are necessary to achieve a life course approach to advance care planning. OBJECTIVE: To examine the effect of a computer-tailored, behavioral health model-based intervention on the engagement of adults in advance care planning recruited from ambulatory care settings. DESIGN: Cluster randomized controlled trial with participant-level analysis. ( NCT03137459). SETTING: 10 pairs of primary and selected specialty care practices matched on patient sociodemographic information. PARTICIPANTS: English-speaking adults aged 55 years or older; 454 adults at practices randomly assigned to usual care and 455 at practices randomly assigned to intervention. INTERVENTION: Brief telephone or web-based assessment generating a mailed, individually tailored feedback report with a stage-matched brochure at baseline, 2 months, and 4 months. MEASUREMENTS: The primary outcome was completion of the following 4 advance care planning activities at 6 months: identifying and communicating with a trusted person about views on quality versus quantity of life, assignment of a health care agent, completion of a living will, and ensuring that the documents are in the medical record-assessed by a blinded interviewer. Secondary outcomes were completion of individual advance care planning activities. RESULTS: Participants were 64% women and 76% White. The mean age was 68.3 years (SD, 8.3). The predicted probability of completing all advance care planning activities in usual care sites was 8.2% (95% CI, 4.9% to 11.4%) versus 14.1% (CI, 11.0% to 17.2%) in intervention sites (adjusted risk difference, 5.2 percentage points [CI, 1.6 to 8.8 percentage points]). Prespecified subgroup analysis found no statistically significant interactions between the intervention and age, education, or race. LIMITATIONS: The study was done in a single region and excluded non-English speaking participants. No information was collected about nonparticipants. CONCLUSION: A brief, easily delivered, tailored print intervention increased participation in advance care planning in ambulatory care settings. PRIMARY FUNDING SOURCE: National Institute of Nursing Research and National Institute of Aging.

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