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Table 3 Ordered logistic multilevel model of rates of feedback communications received by GPs in 34 countries

From: Communication between general practitioners and medical specialists in the referral process: a cross-sectional survey in 34 countries

Ni = 34

Nj = 6637a

Odds ratioa (CI)

P

GP level

Availability of support staff

(ref. = no secretary and no nurse)

 presence of a secretary or a nurse

0.90

(0.71, 1.14)

0.375

 presence of both a secretary and a nurse

0.94

(0.73, 1.21)

0.630

Use of pc to send referral letters

0.98

(0.85, 1.13)

0.786

Interactions between GPs and specialists

1.18

(1.06, 1.30)

0.002

Country level

 Gatekeeping system in place

3.60

(1.42, 9.13)

0.007

 Variance Country level final model (SE)

1.86

(0.46)

 

 Percentage of reduction of variance

(Country level)b

14%

  

 Intraclass correlation (ICC)c

36%

  
  1. a adjusted also for age and gender of GPs, practice location, and employment status of GPs
  2. b this percentage was calculated by using the variance at a country level of the initial model (variance initial model =2.17, SE = 0.56
  3. c the ICC of the initial model is 39%
  4. Ni = number of countries
  5. Nj = number of GPs
  6. SE = standard error
  7. CI = 95% confidence interval