Table 3 Stepwise multivariate analyses of the significant factors of patients with three or more re-hospitalizations caused by DSH 12 months after discharge of index admission

Step 1

 Female

1.4 [0.32-6.5]

0.638

 Age

1.0 [0.96-1.05]

0.696

 Personality disorders

36 [4.8-274]

<0.001

 Triglycerides

3.4 [1.5-7.6]

0.004

Total variance of step 1

33 (4)

<0.001

24-44%

Step 2

 Female

0.58 [0.03-12]

0.729

 Age

1.1 [0.97-1.2]

0.168

 Personality disorders

190 [1.1-3200]

0.045

 Triglycerides

7.8 [1.6-37]

0.010

 Lack of insight

29 [1.5-570]

0.025

 Victims of violence

19 [1.2-320]

0.036

 Hopelessness

12 [0.69-240]

0.087

 Inpatient DSH

63 [0.88-4600]

0.058

Increase from step 1 (hopelessness, victims of violence,lack of insight, inpatient DSH)

29 (4)

<0.001

17-31%

Total variance of step 2

62 (8)

<0.001

41-75%

Step 3

 Female

13 [0.59-280]

0.353

 Age

1.2 [0.97-1.5]

0.089

 Personality disorders

1100 [0.36-34x10⁶]

0.087

 Triglycerides

102 [0.76-14000]

0.064

 Victims of violence

2500 [0.52-12x10⁶]

0.070

 Lack of insight

2600 [0.52-13x10⁶]

0.071

 Hopelessness

1.4 [0.02-98]

0.872

 Inpatient DSH

1.1 [0.003-360]

0.978

 Self-report risk scale

0.51 [0.02-15]

0.699

 MINI suicidal scale

4.7 [0.99-22]

0.051

Increase from step 2 (by MINI and self-report risk scale)

12 (2)

0.003

6-10%

Total variance of step 3

74 (10)

<0.001

47-85%