A comparison of clinical characteristics of psychiatric inpatients in three hospitals from Western China and America

Jia, Min; An, Bang; Yan, Bin; Ma, Qingyan; Wen, Binglong; Zhao, Shanshan; Gao, Chengge; Ma, Xiancang; Zhang, Lili; Li, Bin; Zhang, Ping; Wang, Jian; Yu, Hong; Wang, Wei

doi:10.1186/s12888-022-04500-2

Table 4 Mixed linear regression model testing associations of predictors with LOS in Chinese hospital

From: A comparison of clinical characteristics of psychiatric inpatients in three hospitals from Western China and America

Variables	Univariable linear regression				Multivariable linear regression
	β	Cl(95%)		P	β	Cl(95%)		p
	β	Lower bound	Upper bound	P	β	Lower bound	Upper bound	p
Age	−0.006	− 0.045	0.033	0.750
^aGender	−1.066	−2.527	0.395	0.152
^bMarital status
Unmarried	1.533	0.002	3.063	0.050	1.248	−0.428	2.924	0.144
Divorce	9.052	5.010	13.094	<0.001	7.209	3.352	11.067	<0.001
Widowed	−0.616	−5.320	4.089	0.797	−2.154	−6.611	2.303	0.343
^cEducation
Junior middle school	1.634	−0.567	3.835	0.145
High school	1.537	−0.566	3.640	0.152
Junior college or undergraduate	0.745	−1.586	3.077	0.531
^dOccupation
Workers	1.589	−0.783	3.961	0.189
Freelance worker	−0.125	−2.119	1.870	0.902
Students	0.367	−2.163	2.897	0.776
The unemployed	0.580	−2.119	3.278	0.674
^eLiving condition
Groups life	2.167	−10.990	15.324	0.747
^fSubstance abuse
Yes	−5.443	−10.741	−0.146	0.044	−4.063	−10.239	2.113	0.197
^gSuicidal ideation
Yes	5.921	4.508	7.334	<0.001	3.801	1.926	5.676	<0.001
^hInsurance
Yes	5.363	0.231	−3.420	0.231
ⁱWhether or not to be admitted voluntarily
Yes	−7.193	−8.655	−5.732	<0.001	−4.759	−6.765	−2.753	<0.001
^jWhether restrained or isolated
Yes	1.454	−0.693	3.601	0.184
^kReasons for hospitalization
Negative symptoms	−4.583	−7.943	−1.222	0.008	−1.744	−4.948	1.460	0.286
Depression and anxiety	−1.102	−2.810	0.606	0.206	2.653	0.396	4.911	0.021
Suicide and self-injury	−4.126	−7.046	−1.206	0.006	1.441	−1.901	4.783	0.398
Physical symptoms	−3.221	−5.558	−0.885	0.007	4.323	1.382	7.265	0.004
Substance abuse	−10.941	−20.232	−1.650	0.021	−1.916	− 13.965	10.133	0.755
Drug side effects	1.859	−9.865	13.583	0.756	0.549	−10.469	11.568	0.922
^lDiagnosis
Organic mental disorder	−2.258	−4.301	− 0.216	0.030	−2.619	−5.150	−0.087	0.043
Psychoactive substance	−8.545	−16.858	−0.232	0.044	−0.289	−11.717	11.140	0.960
Mood disorder
Depression	−2.756	−4.967	−0.546	0.015	−2.737	−5.668	0.193	0.067
Bipolar disorder	0.891	−1.583	3.365	0.480	−0.790	−3.320	1.741	0.541
Neurotic, stress-related and somatoform disorders	−5.305	−7.438	− 3.172	<0.001	−3.032	− 5.819	− 0.244	0.033
Behavioral syndrome with physiological disorders and somatic factors	−5.132	−11.747	1.482	0.128	−3.973	−10.817	2.871	0.255
Personality and behavioral disorders	−8.945	−27.373	9.483	0.341	−4.602	− 22.010	12.806	0.604
Intellectual disability	0.841	−9.063	10.745	0.868	2.011	−7.350	11.372	0.674
Mental development disorder	−1.172	−9.107	6.763	0.772	−1.244	−8.837	6.349	0.748
Total dose of antipsychotics	0.013	0.010	0.017	<0.001	0.014	0.010	0.018	<0.001

^aReference category = Male; ^bReference category = Married; ^cReference category = Primary school and below; ^dReference category = Retiree; ^eReference category = Living alone; ^fReference category = None substance abuse; ^gReference category = No suicidal ideation; ^hReference category = No insurance; ⁱReference category = Admitted involuntarily; ^jReference category = No restrained or isolated; ^kReference category = Positive symptoms; ^lReference category = Schizophrenia Spectrum Disorder

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ISSN: 1471-244X

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