Table 3

Results of Kruskal-Wallis H tests

Dependent variablenMean rankdfX²P valueE²
CO hours, suicidal ideation22.540.2800.00
 TAU376604.32
 DBT Group 1425590.86
 DBT Group 2393598.16
CO hours, self-injury29.800.007*0.01
 TAU376608.92
 DBT Group 1425591.98
 DBT Group 2393592.54
CO hours, aggression21.630.4440.00
 TAU376602.00
 DBT Group 1425594.26
 DBT Group 2393596.70
Incident, suicide attempts27.640.022*0.01
 TAU376603.12
 DBT Group 1425592.00
 DBT Group 2393598.07
Incident, self-injury254.87<0.001†0.05
 TAU376582.15
 DBT Group 1425563.97
 DBT Group 2393648.45
Incident, aggression patient to patient20.630.7320.00
 TAU376599.63
 DBT Group 1425594.48
 DBT Group 2393598.73
Incident, aggression patient to staff20.570.7520.00
 TAU376596.94
 DBT Group 1425596.02
 DBT Group 2393599.64
Restraints27.070.029*0.01
 TAU376609.50
 DBT Group 1425587.19
 DBT Group 2393597.16
Seclusions22.810.2460.00
 TAU376601.52
 DBT Group 1425596.23
 DBT Group 2393595.03
Days hospitalised233.20<0.001†0.03
 TAU376600.65
 DBT Group 1425529.54
 DBT Group 2393667.99
Readmissions24.100.1290.00
 TAU376610.32
 DBT Group 1425591.88
 DBT Group 2393591.31

  • *p<0.05.

  • †p<0.001.

  • CO, constant observation; DBT, dialectical behaviour therapy; TAU, treatment as usual.