Despite the substantial personal and economic implications of end-of-life decisions, many individuals fail to document their wishes, which often leads to patient dissatisfaction and unnecessary medical spending. We conducted a randomized trial of 1,200 patients aged 55 years and older to facilitate advance directive (AD) completion and better understand why patients fail to engage in high-value planning. We found that including a physical AD form with paper letters as a nudge to decrease hassle costs increased AD completion by 9.0 percentage points (95% confidence interval [CI] = [4.2, 13.9] percentage points). The intervention was especially effective for individuals aged 70 years and older, as AD completion increased by 17.5 percentage points (95% CI = [5.7, 9.4] percentage points). When compared with the impact of costless electronic reminders, each additional AD completion from the letter interventions costs as little as US$37. Our findings suggest that simple, inexpensive interventions with paper communication as behavioral nudges can be effective, especially in older populations.

Objective Recent technological development along with the constraints imposed by the coronavirus disease 2019 (COVID-19) pandemic have led to increased availability of patient-generated health data. However, it is not well understood how to effectively integrate this new technology into large health systems. This article seeks to identify interventions to increase utilization of electronic blood glucose monitoring for patients with diabetes. Materials and Methods A large randomized controlled trial tested the impact of multiple interventions to promote use of electronic blood glucose tracking. The total study sample consisted of 7052 patients with diabetes across 68 providers at 20 selected primary care offices. The design included 2 stages: First, primary care practices were randomly assigned to have their providers receive education regarding blood glucose flowsheet orders. Then, patients in the treated practices were assigned to 1 of 4 reminder interventions. Results Provider education successfully increased provider take-up of an online blood glucose monitoring tool by 64 percentage points, while a comparison of reminder interventions revealed that emphasizing accountability to the provider encouraged patients to track their blood glucose online. An assessment of downstream outcomes revealed impacts of the interventions on prescribing behavior and A1c testing frequency. Discussion It is important to understand how health systems can practically promote take-up and awareness of emerging digital health alternatives or those with persistently low utilization in clinical settings. Conclusion These results indicate that provider training and support are critical first steps to promote utilization of patient-generated health data, and that patient communications can provide further motivation.

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