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Table 5 Prediction of yearly patient visits to the primary diabetes care provider; country specific coefficients for focal predictorsa

From: The impact of accessibility and service quality on the frequency of patient visits to the primary diabetes care provider: results from a cross-sectional survey performed in six European countries

  English region Finnish region German region Greek region Dutch region Spanish region Country differencesb
Participants with up to two missing values (n = 1086)
 Travel distance in kilometres 0.027** 0.005 −0.009 −0.015*** − 0.005 −0.110* 1.02***
 Travel time in minutes 0.004 0.000 −0.002 0.005* −0.003 0.012* 0.24
 In-practice waiting time in minutes −0.002 −0.014* 0.001 −0.006*** − 0.001 0.006*** 2.16***
 Quality of communicationc 0.163*** 0.133* 0.142*** 0.030 0.068* 0.315*** 1.56***
Patients with complete data (n = 829)
 Travel distance in kilometres 0.025* 0.006 −0.003 −0.014*** 0.002 −0.112 1.15**
 Travel time in minutes 0.004 0.001 0.001 0.006** −0.004 0.015* 0.32
 In-practice waiting time in minutes −0.009* −0.020* 0.002 −0.009*** − 0.007 0.006*** 4.04***
 Quality of communicationc 0.127** 0.190* 0.159*** 0.004 0.068 0.228*** 1.12**
  1. a Parameters of Poisson regression when the respective country is taken as reference for the interactions. Statistical significances for deviation from zero are symbolised with * = p < 0.05, ** = p < 0.01, and *** = p < 0.001
  2. b Contribution of the respective interactions to the prediction of the model with interactions for all four focal predictors, i.e. one hundred times the difference between the CW-Indices for the model with interactions for all focal predictors and the models without interactions for the respective focal predictor. The statistical test was performed using a likelihood ratio test between both models. Statistical significances are symbolised with * = p < 0.05, ** = p < 0.01, and *** = p < 0.001
  3. c Coded from 1 for worst quality to 5 for best quality