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. 2017 Jul 3;112(11):1898–1906. doi: 10.1111/add.13878

Figure 2.

Figure 2

Trial profile. Eligible premises were allocated randomly into control and intervention groups. The premises that were available for the intervention comprise the per‐protocol group. Three premises refused and four were false positives (premises that were closed at the time of audit but re‐opened within the time available for Environmental Health Practitioners (EHPs) to audit them). In the unallocated group, premises that were not available for the intervention were replaced from the pool of remaining unallocated premises (selected randomly from the same strata of the premises being replaced; if no premises were available in that strata then no replacement was made); all remaining premises following replacement into the intervention group were added to the control group, this was conducted so that EHPs could meet their quota. [Colour figure can be viewed at wileyonlinelibrary.com]