Events not disclosed to the survey team by participants were associated with higher risk for marijuana and non-medical prescription drug use, in line with past work showing that other/private events are associated with onset of psychiatric disorders and persistence of PTSD.44 This should be noted by researchers conducting future life events surveys, if study participants are less likely to report certain types of traumatic events. Healthcare workers and caregivers should also be aware of increased risk for drug use arising from undisclosed traumatic events.
