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Table 3 DRILL Behaviour ladders

From: A tool to evaluate proportionality and necessity in the use of restrictive practices in forensic mental health settings: the DRILL tool (Dundrum restriction, intrusion and liberty ladders)

DRILL Behaviour ladders n = 2175 (%)
Violence 88 (4)
Self-harm 99 (4.5)
Placing others at risk 246 (11.4)
Escape 42 (1.9)
Non-compliance with treatment 154 (7.1)
Total 629 (28.9)
Rating Violence Self-harm Placing others at risk Escape Non-compliance with treatment
No behaviour 0 2062 2054 1907 2111 1999
Threats 1 78 85 190 32 49
Minimal act 2 9 14 50 1 76
Moderate 3 1 0 6 9 13
Serious 4 0 0 0 0 2
Severe 5 0 0 0 0 14
Missing data   25 22 22 22 22
Total   2175 2175 2175 2175 2175