Patients who used an interactive computer program about depression while waiting to see their primary-care doctor were nearly twice as likely to ask about the condition and significantly more likely to receive a recommendation for antidepressant drugs or a mental-health referral from their physician, according to a new study by researchers at UC Davis.

The study, published online in the Journal of the American Medical Association, was conducted to uate the effectiveness of a waiting-room intervention that encourages primary- care patients to discuss depression symptoms and care with their physician. While patients who received treatment or a referral for depression did not report improved mental health 12 weeks later, the study did show that providing information to patients about depression is an effective way to start the conversation in a primary-care setting about mental health.

“We have developed an easy-to-use tool to help people with depression identify the symptoms, feel more comfortable discussing it with a primary-care provider and accept treatment if it is needed,” said Anthony Jerant, professor of family and community medicine at UC Davis and senior author of the study. “This brief and relatively inexpensive intervention could be easily and widely implemented in a variety of health-care settings.”

Depression is an underrecognized and undertreated condition that can easily be overlooked during a typical primary-care visit. While calculating the number of people suffering from untreated depression is difficult, the Centers for Disease Control estimates that nationally 1-in-10 adults has reported symptoms of depression. The National Institute of Mental Health has said that major depressive disorders affect approximately 14.8 million American adults, or about 6.7 percent of the U.S. population age 18 and older in a given year. When left untreated, depression poses high costs to society, jeopardizing relationships and employment, decreasing quality of life, prompting alcohol and drug abuse and, in some cases, leading to the higher risk of suicide.

Three waiting-room interventions tested

The new study involved nearly 900 patients and 135 primary-care clinicians at seven Northern California health-care sites. Prior to their medical appointments, patients were screened for depression. All patients were then randomized to view one of three interventions:

A video – similar to a public-service announcement – focused on recognizing depression and talking with doctors about symptoms
An interactive multimedia computer program that provided patients with instant feedback and information tailored to different levels of depressive symptoms and treatment preferences
A non-depression-related video on healthy sleep

The clinicians did not know which intervention their patients viewed. Immediately after the patients’ appointments, the researchers determined if the patients discussed depression with their clinicians and whether they left with prescriptions for medications to treat depression and if they received a referral for mental-health services.

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