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. 2023 Nov 18;11:47. doi: 10.1186/s40352-023-00250-9

Table 2.

Poisson and negative binomial regression results of web-based naloxone training for law enforcement officers

Knowledge Composite Score Confidence Composite Score Attitude Composite Score
N = 309a N = 354a N = 354a
IRR (95% CI) IRR (95% CI) IRR (95% CI)
Time
Before Training Ref Ref Ref
After Training 1.16 (1.12, 1.21) 1.16 (1.11, 1.22) 0.99 (0.92, 1.07)
Cohen’s D 0.56 0.47 0.02

Table 2. Reference group: Time = Before Training

a. An observation with any missing variables was dropped from the model.