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Table 9 Detailed results of the multilevel models of GP co-location (mono-professional – model 1, multi-professional - model 2, interaction between mono and multi-professional – model 3, details of multi-professional – model 4) and GP outcomes

From: The benefits of co-location in primary care practices: the perspectives of general practitioners and patients in 34 countries

Multilevel models

(*p < 0.05; **p < 0.01; ***p < 0.001)

Provision of technical proceduresa

Use of guidelinesa

Collaboration with different providersa

Integration with secondary carea

 

N. = 7136

N. = 7127

N. = 7145

N. = 7108

Empty model

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

2.116***

0.115

0.843***

0.021

1.916***

0.027

1.687***

0.030

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.452

0.110

0.014

0.004

0.025

0.006

0.029

0.007

 GP level

0.201

0.003

0.054

0.001

0.060

0.001

0.186

0.003

ICC

 Country

69.2%

 

20.6%

 

29.6%

 

13.4%

 

 GP

30.8%

 

79.4%

 

70.4%

 

86.6%

 
 

N. = 6934

N. = 6940

N. = 6944

N. = 6908

Model only covariates

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

2.034***

0.110

0.790***

0.020

1.873***

0.029

1.593***

0.033

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.409

0.099

0.012

0.003

0.027

0.007

0.029

0.007

 GP level

0.185

0.003

0.053

0.001

0.058

0.001

0.182

0.003

ICC

 Country

68.8%

 

18.8%

 

31.9%

 

13.9%

 

 GP

31.2%

 

81.2%

 

68.1%

 

86.1%

 
 

N. = 6655

N. = 6660

N. = 6663

N. = 6628

MODEL 1 (variable 1)

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

1.985***

0.111

0.782***

0.021

1.844***

0.031

1.600***

0.033

 GP co-located with other GP

0.093***

0.013

0.007

0.007

0.047***

0.007

0.011

0.013

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.396

0.098

0.012

0.003

0.028

0.007

0.028

0.007

 GP level

0.184

0.003

0.053

0.001

0.058

0.001

0.185

0.003

ICC

 Country

68.3%

 

18.7%

 

32.6%

 

13.0%

 

 GP

31.7%

 

81.3%

 

67.4%

 

87.0%

 
 

N. = 6925

N. = 6931

N. = 6935

N. = 6899

MODEL 2 (variable 2)

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

1.944***

0.112

0.799***

0.022

1.782***

0.028

1.553***

0.036

 GP co-located with other professional

0.113***

0.018

−0.011

0.009

0.117***

0.010

0.052**

0.018

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.411

0.100

0.012

0.003

0.022

0.005

0.031

0.008

 GP level

0.184

0.003

0.053

0.001

0.057

0.001

0.182

0.003

ICC

 Country

69.1%

 

18.6%

 

27.6%

 

14.5%

 

 GP

30.9%

 

81.4%

 

72.4%

 

85.5%

 
 

N. = 6655

N. = 6660

N. = 6663

N. = 6628

MODEL 3 (interaction)

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

1.885***

0.113

0.788***

0.023

1.768***

0.029

1.528***

0.037

Single-handed GP practice (ref)

 - More GPs without other professionals

0.153***

0.023

0.021

0.013

0.033*

0.013

0.090***

0.024

 - One GP with other professionals

0.146***

0.022

−0.003

0.012

0.106***

0.013

0.108***

0.022

 - More GPs with other professionals

0.200***

0.021

−0.001

0.012

0.143***

0.012

0.080***

0.022

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.415

0.100

0.012

0.003

0.023

0.006

0.028

0.007

 GP level

0.182

0.003

0.053

0.001

0.057

0.001

0.184

0.003

ICC

 Country

69.0%

 

18.5%

 

28.5%

 

13.4%

 

 GP

31.0%

 

81.5%

 

71.5%

 

86.6%

 
 

N. = 6813

N. = 6819

N. = 6823

N. = 6787

MODEL 4 (var 2 details)

Fixed part

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

Coeff.

S.E.

 Intercept

1.931***

0.111

0.787***

0.022

1.756***

0.026

1.544***

0.036

 GP with nurse

0.103***

0.018

−0.004

0.010

0.093***

0.010

0.037*

0.018

 GP with other health professional

0.060**

0.014

0.003*

0.007

0.079***

0.008

0.043**

0.014

 GP with social worker

0.043**

0.018

0.007

0.010

0.118***

0.010

0.022

0.018

Random part

Var.

S.E.

Var.

S.E.

Var.

S.E.

Var.

S.E.

 Country level

0.406

0.099

0.012

0.003

0.019

0.005

0.031

0.008

 GP level

0.182

0.003

0.053

0.001

0.054

0.001

0.181

0.003

ICC

 Country

69.0%

 

18.7%

 

26.3%

 

14.7%

 

 GP

31.0%

 

81.3%

 

73.6%

 

85.3%

 
  1. aCovariates GP level: sex, age, urbanisation, involvement in disease management
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BMC Health Services Research

ISSN: 1472-6963

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