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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