Table 1 Rate of absconding
|  | A Sep 1 2010 – Feb 29 2012 | Interim Mar 1 2012– Aug 31 2012 | B Sep 1 2012 – Feb 28 2014 | Diff A/B | Diff A vs. Interim | Diff B vs. Interim |
|---|---|---|---|---|---|---|
# patients absconding/# patients at-risk | 17.8% | 13.8% | 12.0% | z = 2.08, p < .05 | z = 1.21, p > .05 | z = −0.60, p > .05 |
# absconding incidents/# bed days | 0.10 | 0.14 | 0.06 | z = 2.97, p < .01 | z = −1.58, p > .05 | z = 3.97, p < .01 |