Universal screening for drug use in urban primary care

We describe universal screening in a large urban hospital-based primary care practice. Trained staff aimed to screen all adult patients presenting for primary care visits between July 2010 and February 2011. Screening included three items about past three-month drug use: frequency of heavy drinking (>3 standard drinks in a day for women and >4 for men); any use of prescription sedatives, opioids, or amphetamines without a prescription or in...