• Heather Heiman, David W Bates, David Fairchild, Shimon Shaykevich, and Lisa Soleymani Lehmann.
• Division of General Internal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
• Am. J. Med. 2004 Sep 1;117(5):318-24.

BackgroundSince 1991, hospitals have asked patients whether they have advance directives, but few patients complete these documents. We assessed two simple interventions to improve completion of advance directives among elderly or chronically ill outpatients.MethodsWe conducted a cluster randomized controlled trial involving 1079 patients from five general medicine clinics that were affiliated with an academic medical center. Patients were either > or =70 years of age or > or =50 years old with a chronic illness. The study comprised three arms: physician reminders recommending documentation of advance directives, physician reminders plus mailing advance directives to patients together with educational literature, or neither intervention (control). The main outcome measure was completion of an advance directive.ResultsAfter 28 weeks, 1.5% (5/332) of patients in the physician reminder group, 14% (38/277) in the physician reminder plus patient mailing group, and 1.8% (5/286) in the control group had completed advance directives. In multivariate analyses, patients in the physician reminder plus patient mailing group were much more likely than controls to have completed advance directives (odds ratio [OR] = 5.9; 95% confidence interval [CI]: 1.5 to 22), whereas patients in the physician reminder-only group were no more likely than controls to have completed advance directives (OR = 0.88; 95% CI: 0.21 to 3.7).ConclusionMailing health care proxy and living will forms and literature to patients before an appointment at which their physicians received a reminder about advance directives yielded a small but significant improvement in completion of these documents. A physician reminder alone did not have an effect.

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