Factors Associated with Readmission of Patients at a University Hospital Psychiatric Ward in Iran
Table 3
Results from fitting model of the negative binomial regression of psychiatric disorder patients at Nour (the Psychological Ward) Hospital, Isfahan, Iran, from 2004 to 2010.
Characteristics
Negative binomial regression
P value
Exp. (β)
95% CI
Marital status
Single
0.68
(0.52, 0.81)
0.005
Marriage
0.64
(0.49, 0.83)
0.001
Widow
1
—
—
Education
Illiterate
1
—
—
Primary and secondary
0.85
(0.60, 1.93)
0.226
High school
0.99
(0.72, 1.39)
0.874
Higher
0.94
(0.64, 1.38)
0.614
Disorders*
Bipolar I
1.63
(1.15, 2.31)
0.003
Psychotic
1.71
(1.19, 2.43)
0.001
Depression
1.47
(1.01, 2.13)
0.026
Anxiety
1.45
(1.14, 1.86)
0.001
Bipolar NOS
1.14
(0.72, 1.81)
0.598
Bipolar II
1.53
(1.00, 2.37)
0.036
Cognitive
1.03
(0.72, 1.49)
0.785
Opium:
1.28
(1.02, 1.68)
0.045
Self report history of previous admissions
Yes
2.25
(1.86, 2.72)
<0.001
Length of the current episode before hospitalization
<1 month
1
—
—
1–6
0.98
(0.83, 1.16)
0.696
>6
0.79
(0.59, 1.06)
0.080
Akaikeinformation criteria (AIC)
4853
Bayesian information criteria (BIS)
4966
CI: confidence interval.
*Reference is “no disorder.”
