Introduction
SECONDARY
In 2020, nearly 1 in 5 US adults (~52 million) lived with a mental illness, and more than half (53.8%) of them did not receive any mental health services for psychotherapy or pharmacotherapy in outpatient or inpatient settings in the past year [Evidence-based psychotherapies using conventional delivery modalities are many [Digital mental health interventions have shown considerable potential to address the particular issues of reach and access [One of the key determinants in the success of digital mental health interventions is the ability to conduct streamlined user interactions [A new class of digital mental health interventions includes voice-based artificial intelligence (AI) coaches that have shown potential for delivering personalized and accessible mental health therapy [In this secondary analysis of a recently completed pilot randomized clinical trial (RCT) [