Background/Objectives: Urine drug testing (UDT) is a core component of nursing interventions within the treatment of substance use disorder (SUD). Beyond the detection of psychoactive substance use and medication adherence, UDT also provides opportunities for therapeutic dialogue, patient support, and …

What does this paper add to existing knowledge? • This study provides insight into the severity of the problem. It demonstrates the differences in risk factors and OHRQoL between patients diagnosed with a psychotic disorder (first-episode) and the general population. • A negative impact on OHRQoL …