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. 2022 Jan 26;42(1):77–83. doi: 10.1002/npr2.12229

TABLE 2.

Univariate analysis of risk factors for candidate readmission

Variables Readmission (n = 31) Non readmission (n = 86) P
Mean ± SD, n (%) Mean ± SD, n (%)
Age [years] 42.7 ± 12.4 42.3 ± 11.3 .85
Gender, male/female 13(41.9)/18(58.1) 40(46.5)/46(53.5) .66
Admitted, involuntary/voluntary 27(87.1)/4(12.9) 76(88.4)/10(11.6) 1.00
Number of hospital admissions 6.0 ± 4.9 3.1 ± 2.7 <.01*
Diabetes mellitus, yes/no 3(9.7)/28(90.3) 3(3.5)/83(96.5) .19
History of substance use, yes/no 3(9.7)/28(90.3) 3(3.5)/83(96.5) .19
History of alcohol addiction, yes/no 5(16.1)/26(83.9) 7(8.1)/79(91.9) .30
PANSS 88.7 ± 19.3 88.9 ± 22.7 .97
BPRS 53.5 ± 16.9 48.1 ± 13.5 .09*
GAF a 56.7 ± 8.4 60.3 ± 11.1 .14
SAI‐J a 13.8 ± 3.7 16.1 ± 4.0 .01*
DAI‐10 a 3.8 ± 5.4 5.2 ± 4.6 .18
SCoRS‐J a 39.3 ± 12.1 32.2 ± 10.4 .01*
Clozapine, yes/no b 0(0.0)/31(100.0) 2(2.3)/84(97.7) 1.00
Electro convulsive therapy, yes/no b 7(22.6)/24(77.4) 14(16.3)/72(83.7) .43
Long‐acting injection use/not use b 4(12.9)/27(87.1) 24(27.9)/62(72.1) .09*
Chlorpromazine equivalent dose [mg] b 1027.3 ± 602.2 934.1 ± 553.5 .43
Social resources and support
Members in household, alone/with family b 17(54.8)/14(45.2) 43(50.0)/43(50.0) .64
Living arrangement, own home/residential care b 28(90.3)/3(9.7) 69(80.2)/17(19.8) .20
Psychiatric day care, use/not use b 15(48.4)/16(51.6) 42(48.8)/44(51.2) .97
Community occupational therapy, use/not use b 7(22.6)/24(77.4) 15(17.4)/71(82.6) .53
Employment services, use/not use b 3(9.7)/28(90.3) 11(12.8)/75(87.2) .76
Psychiatric home‐visit nursing care, use/not use b 15(48.4)/16(51.6) 47(54.7)/39(45.3) .55

Measured at the beginning of psychoeducation.

Abbreviations: BPRS, Brief Psychiatric Rating Scale; DAI‐10, Drug Attitude Inventory‐10 items; GAF, Global Assessment of Functioning; PANSS, Positive and Negative Syndrome Scale; SAI‐J, Schedule for the Assessment of Insight Japanese version; SCoRS‐J, Schizophrenia Cognition Rating Scale Japanese version.

a

Measured at the end of psychoeducation.

b

Measured at discharge.

*

P < .1 vs. readmission; n = 31 (26.5%) for readmission, n = 86 (73.5%) for nonreadmission.