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Table 6 Multivariate linear regression analysis results for number of consultations per CLP patient

From: Consultation-liaison psychiatry in Japan: a nationwide retrospective observational study

Variable

β

p value

VIF

Region (reference: Hokkaido)

  

1.012

 Tohoku

−0.220

0.034

 

 Kanto

−0.075

0.192

 

 Chubu

−0.071

0.279

 

 Kinki

0.009

0.882

 

 Chugoku

−0.160

0.026

 

 Shikoku

−0.555

< 0.001

 

 Kyusyu-Okinawa

−0.121

0.055

 

Age group (reference: 85+)

  

1.027

 0–29

0.410

< 0.001

 

 30–49

0.263

< 0.001

 

 50–64

0.256

< 0.001

 

 65–74

0.144

< 0.001

 

 75–84

0.016

< 0.001

 

Sex (reference: Male)

  

1.030

 Female

0.048

0.011

 

Admission setting (reference; planed)

  

1.154

 Unplanned

−0.021

0.044

 

Disease classification (reference: 9.Diseases of the circulatory system)

  

1.014

1.Certain infectious and parasitic diseases

0.315

< 0.001

 

2.Neoplasms

0.098

0.018

 

3.Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

0.298

0.004

 

4.Endocrine, nutritional, and metabolic diseases

−0.025

0.722

 

5.Mental and behavioral disorders

−1.016

< 0.001

 

6.Diseases of the nervous system

0.076

0.283

 

7.Diseases of the eye and adnexa

−0.127

0.498

 

8.Diseases of the ear and mastoid process

−0.287

0.212

 

10.Diseases of the respiratory system

0.133

0.010

 

11.Diseases of the digestive system

0.088

0.079

 

12.Diseases of the skin and subcutaneous tissue

0.118

0.225

 

13.Diseases of the musculoskeletal system and connective tissue

0.290

< 0.001

 

14.Diseases of the genitourinary system

−0.007

0.912

 

15.Pregnancy, childbirth, and the puerperium

−0.295

0.012

 

17.Congenital malformations, deformations, and chromosomal abnormalities

−0.121

0.622

 

18.Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified

0.053

0.927

 

19.Injury, poisoning, and certain other consequences of external causes

0.125

0.006

 

21.Factors influencing health status and contact with health services

−0.392

0.880

 

Fiscal year (reference; 2012)

  

1.010

 2013

0.226

< 0.001

 

 2014

0.235

< 0.001

 

 2015

0.233

< 0.001

 

 2016

0.039

0.398

 

Length of Stay (reference; 2–17 days)

  

1.015

 18–30 days

0.111

< 0.001

 

 31–54 days

0.246

< 0.001

 

 55 days and over

0.587

< 0.001

 

Adjusted R-squared

0.274

  
  1. VIF Variance Inflation Factor
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BMC Psychiatry

ISSN: 1471-244X

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