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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Drug Alcohol Depend. 2022 May 23;237:109505. doi: 10.1016/j.drugalcdep.2022.109505

Fig. 3.

Fig. 3.

Mean Opioid Overdose Knowledge Scale (OOKS: Range 0–45) score for participants in each training condition measured immediately before (pre-training) and after basic training (baseline), immediately after their experimental training (T0), as well as 1, 3, 6, and 12 months post-T0 (T1, T3, T6, and T12).