Table 1.

Comparison of SIEs’ pre-/post-test OOKS scores (n = 18).

	Pre-Test Mean (SD)	Post-Test Mean (SD)	p-value	Wilcoxon	95% CI	Cohen’s d
OOKS Totala	25.9 (4.30)	32.8 (3.33)	< 0.01*	< 0.01**	−9.32, −4.57	1.45
Risk Factorsb	6.39 (1.79)	6.61 (2.57)	0.71	0.75	−1.46, 1.01	0.09
Signsc	6.56 (1.89)	8.11 (1.23)	< 0.01*	< 0.01**	−2.52, −0.59	0.80
Actionsd	9.67 (0.97)	10.4 (0.70)	0.02*	0.02*	−1.28, −0.16	0.64
Naloxone Usee	2.28 (2.19)	7.72 (0.75)	< 0.01*	< 0.01**	−5.62, −3.27	1.89

^a Max Score = 39.

^b Max Score = 9.

^c Max Score = 10.

^d Max Score = 11.

^e Max Score = 9.

^* The mean difference is significant at the p = 0.05 level.

^** The mean difference is significant at the p < 0.01 level.