Identifying factors associated with the hospital readmission rate among patients with major depressive disorder

BMC Psychiatry

Table 3 Regression coefficients obtained from the multivariate generalized Poisson regression model for major depression data

Covariates	Levels	β (SE)	t-value	P-value	Exp(β)	95% Confidence Limits
Intercept		−0.016 (0.47)	−0.03	0.973	0.984	0.39	2.46
Gender	Male	Reference category
	Female	−0.047 (0.21)	− 0.22	0.827	0.954	0.63	1.45
History of medication nonadherence	No	Reference category
	Yes	0.129 (0.16)	0.79	0.43	1.138	0.83	1.57
Age of onset		−0.02 (0.01)	−2.68	0.008^b	0.98	0.97	0.99
Occupation	Unemployed	Reference category
	Employed	−0.28 (0.18)	−1.55	0.121	0.756	0.53	1.08
Number of siblings		−0.008 (0.04)	−0.23	0.82	0.992	0.92	1.07
Educational level	Illiterate	Reference category
	Literate	−0.723 (0.24)	−3.01	0.003^b	0.486	0.3	0.78
Type of residence	Urban	Reference category
	rural	−0.447 (0.18)	−2.44	0.015^a	0.639	0.45	0.92
Marital status	Single	Reference category
	Married	0.308 (0.19)	1.59	0.112	1.361	0.93	1.99
Family history of psychiatric illness	No	Reference category
Family history of psychiatric illness	Yes	0.543 (0.19)	2.92	0.004^b	1.72	1.19	2.48
History of medical disorders	No	Reference category
History of medical disorders	Yes	0.364 (0.17)	2.2	0.028^a	1.439	1.04	1.99
History of emotional problems	No	Reference category
History of emotional problems	Yes	0.353 (0.17)	2.11	0.035^a	1.424	1.03	1.98
History of substance abuse	No	Reference category
History of substance abuse	Yes	−0.315 (0.28)	−1.14	0.253	0.73	0.43	1.25
History of smoking	No	Reference category
History of smoking	Yes	0.316 (0.28)	1.12	0.263	1.372	0.79	2.39
θ (Dispersion parameter)		1.293 (0.13)	9.62	< 0.0001^b
−2 Log Likelihood		1772.5
AIC		1802.5
BIC		1876.2

ISSN: 1471-244X