The DUNDRUM-1 structured professional judgment for triage to appropriate levels of therapeutic security: retrospective-cohort validation study

Table 1 Internal consistency

	Corrected Item-Total Correlation	Cronbach's Alpha if Item Deleted
TS1: serious violence	.833	.942
TS2: serious self harm	.352	.956
TS3: immediacy of violence risk	.882	.940
TS4: immediacy of self harm risk	.295	.957
TS5: specialist forensic need	.887	.941
TS6: absconding risk	.936	.938
TS7: preventing access	.893	.939
TS8: victim sensitivities	.822	.943
TS9: complex risks	.839	.941
TS10: institutional behaviour	.803	.944
TS11: legal procedure	.898	.941

Cronbach's Alpha statistic for DUNDRUM-1 triage security scale (11 items), n = 316. Overall Alpha = 0.949.

ISSN: 1471-244X