Design of the quasi-experimental study.

<p>Design of the quasi-experimental study.</p

Is systematic training in opioid overdose prevention effective? - Fig 2

<p>Distribution of people who injected opioids recruited through harm reduction centers in Catalonia according to the number of a) correct and b) incorrect answers about overdose risk factors, and adequate/inadequate actions for reversing or minimizing the effects of an overdose.</p

Knowledge about overdose prevention: cited causes of overdose, and actions to take when this happens, according to the pre-implementation, comparison, and intervention groups.

<p>Knowledge about overdose prevention: cited causes of overdose, and actions to take when this happens, according to the pre-implementation, comparison, and intervention groups.</p

Use of naloxone when witnessing an overdose in the intervention group.

<p>Use of naloxone when witnessing an overdose in the intervention group.</p

Correct or incorrect answers about causes or actions in overdose prevention among people who injected opioids recruited at harm reduction centers in Catalonia before and after the implementation of Systematic Training in Opioid Overdose Prevention in Catalonia.

<p>Correct or incorrect answers about causes or actions in overdose prevention among people who injected opioids recruited at harm reduction centers in Catalonia before and after the implementation of Systematic Training in Opioid Overdose Prevention in Catalonia.</p