Meanings of use status in English

Participants were followed one year later to assess their ketamine use status.

Exposures: Electronic cigarette use status defined by self-report as never, former, or current use.

In the Southwest, lifetime psychiatric disorders were not associated with lifetime ST use status.

We reviewed 100 patients with incident infective endocarditis from 2014 to 2016 for their infective endocarditis and injection drug use status.