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 3 Mixed linear regression model testing associations of predictors with LOS in American 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	0.143	0.087	0.199	<0.001	0.144	0.082	0.205	<0.001
^aGender	−2.945	−4.536	−1.354	<0.001	−2.078	−3.635	−0.521	0.009
^bMarital status
Unmarried	2.503	0.124	4.881	0.039	1.656	−0.670	3.982	0.163
Divorce	2.321	−1.111	5.753	0.185	1.201	−1.993	4.396	0.461
Widowed	1.575	−4.095	7.245	0.586	−1.018	−6.322	4.287	0.707
^cEducation
Junior middle school	4.056	−5.578	13.689	0.409
High school	3.325	−5.550	12.199	0.462
Junior college or undergraduate	1.253	−7.650	10.156	0.782
^dOccupation
Workers	−14.471	−20.097	−8.844	<0.001	−10.596	−16.171	−5.021	<0.001
Freelance worker	−17.250	− 28.789	− 5.711	<0.003	− 11.526	− 22.429	−0.622	0.038
Students	−15.750	− 24.688	−6.812	0.001	− 10.967	−19.761	− 2.173	0.015
The unemployed	−12.028	−17.256	−6.801	<0.001	−9.761	−14.956	−4.566	<0.001
^eLiving condition
Groups life	0.901	−0.807	2.608	0.301
^fSubstance abuse
Yes	−5.139	−10.176	−0.102	0.046
^gSuicidal ideation
Yes	4.001	2.467	5.534	<0.001	−0.434	−3.493	2.626	0.781
^hInsurance
Yes	6.471	−0.050	12.991	0.052
ⁱWhether or not to be admitted voluntarily
Yes	−1.206	−4.516	2.104	0.475
^jWhether restrained or isolated
Yes	3.524	1.275	5.773	<0.002	0.379	−1.958	2.716	0.751
^kReasons for hospitalization
Negative symptoms	2.584	−6.805	11.972	0.589	5.493	−3.439	14.425	0.228
Depression and anxiety	−1.649	−5.310	2.012	0.377	1.466	−2.194	5.125	0.432
Suicide and self-injury	−4.138	−5.730	−2.546	<0.001	−0.609	−3.858	2.639	0.713
Physical symptoms	10.195	4.696	15.694	<0.001	9.720	4.515	14.926	<0.001
Substance abuse	−7.750	−15.443	−0.056	0.048	−4.810	− 12.410	2.790	0.215
Drug side effects	−6.416	−15.805	2.972	0.180	−4.936	−13.946	4.074	0.283
^lDiagnosis
Organic mental disorder	−3.878	−8.287	0.531	0.085	0.108	−4.311	4.528	0.962
Psychoactive substance	−6.541	−10.309	−2.773	0.001	−2.659	−6.352	1.034	0.158
Mood disorder
Depression	−5.241	−7.357	−3.126	<0.001	−1.070	−3.636	1.496	0.413
Bipolar disorder	−3.523	−5.756	−1.289	0.002	−1.696	−3.883	0.492	0.129
Neurotic, stress-related and somatoform disorders	−6.972	−9.156	−4.788	<0.001	−2.627	−5.205	−0.048	0.046
Behavioral syndrome with physiological disorders and somatic factors	−4.809	−27.637	18.018	0.679	−1.416	−23.230	20.398	0.899
Personality and behavioral disorders	−5.143	−14.530	4.245	0.283	−0.069	−9.122	8.983	0.988
Intellectual disability	16.191	−6.637	39.018	0.164	12.694	−8.841	34.228	0.248
Mental development disorder	–
Total dose of antipsychotics	0.012	0.009	0.014	<0.001	0.010	0.007	0.013	<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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