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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: J Subst Abuse Treat. 2017 Apr 19;85:45–48. doi: 10.1016/j.jsat.2017.04.010

Table 2.

Opioid self-reported abstinence during first 4 weeks post-release, by initiation time of XR-NTX

Post-release Pre-release OR (95% CI) p-value

% Days confirmed abstinent
46% 83% 5.6 (0.8, 37.9) 0.08
Days confirmed abstinent*
 Mean (Stand. Dev.) 13 (16) 23 (8) 0.09
 Median 11 28 0.19
*

confirmed by self report, missing days counted as not confirmed abstinent

GEE mixed effects model for proportion, ttest for mean, Wilcoxon rank sum test for medians