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Table 1 Characteristics of the sample at admission index

From: Exploring risk factors for re-hospitalization in a psychiatric inpatient setting: a retrospective naturalistic study

Variable

Whole Sample

Re-admission

Statistical test

p-value

(N = 1001)

Zero

One

Two or more

 

(N = 790)

(N = 132)

(N = 79)

At the admission index

 Age M ± SD

42.50 ± 15.1

42.77 ± 15.0

43.57 ± 15.7

38.01 ± 15.2

F2,998 = 3.95

.020

 Sex (female), n(%)

491 (49.1%)

398 (50.4%)

50 (37.9%)

43 (54.4%)

χ22 = 8.07

.018

 Previous hospitalizations, n(%)

534 (55.9%)

382 (51.0%)

91 (71.1%)

61 (77.2%)

χ22 = 33.83

 < .001

 History of suicide attempts, n(%)

167 (17.4%)

111 (14.8%)

28 (21.7%)

28 (35.4%)

χ22 = 23.21

 < .001

 Suicidal ideation, n(%)

304 (30.4%)

231 (29.2%)

45 (34.1%)

28 (35.4%)

χ22 = 2.30

.316

 Suicide attempt, n(%)

146 (14.6%)

124 (15.7%)

13 (9.8%)

9 (11.4)

χ22 = 3.81

.149

Psychiatric diagnosis

    

χ28 = 9.38

.312

 Schizophrenia or other psychoses, n(%)

322 (32.2%)

255 (32.3%)

38 (28.8%)

29 (36.7%)

  

 Bipolar disorders, n(%)

213 (21.3%)

162 (20.5%)

37 (28.0%)

14 (17.7%)

  

 Depressive disorders, n(%)

138 (13.8%)

117 (14.8%)

14 (10.6%)

7 (8.9%)

  

 Personality disorders, n(%)

139 (13.9%)

104 (13.2%)

21 (15.9%)

14 (17.7%)

  

 Others, n(%)

189 (18.9%)

152 (19.2)

22 (16.7%)

15 (19.0%)

  

 Substance use, n(%)

195 (19.5%)

142 (18.0%)

27 (20.5%)

26 (32.9%)

χ22 = 10.31

.006

 Type of admission, n(%)(compulsory)

199 (19.9%)

159 (20.1%)

20 (15.2%)

20 (25.3%)

χ22 = 3.35

.187

Post-discharge destination

    

χ22 = 0.39

.824

 Home, n(%)

216 (21.6%)

173 (22.0%)

28 (21.2%)

15 (19.0%)

  

 Clinical settings, n(%)

783 (78.4%)

615 (78%)

104 (78.8%)

64 (81.0%)

  

 Age at psychiatric disorder onset M ± SD

28.28 ± 13.7

28.98 ± 13.5

27.66 ± 14.5

22.79 ± 12.3

F2,887 = 7.17

 < .001

 Length of stay (days) M ± SD

10.26 ± 9.6

9.65 ± 9.4

11.29 ± 7.7

14.67 ± 13.3

H2 = 27.21

 < .001