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Table 2 Characteristics of the GPs included in the regression analyses * compared with all regular GPs in Norway

From: Use of GP services by patients with schizophrenia: a national cross-sectional register-based study

  Included GPs All regular GPs
N 3220 4183
GP age, mean (IQR) 51 (42–57) 49 (39–57)
Proportion of male GPs, % 68,7% 65.3%
Proportion of GP approved specialist in general practice, % 69.0% 59.4%
List size, mean (IQR) 1219 (999–1482) 1191(938–1435)
Proportion of lists open for new patients, % 26.2% 30.9%
Number of patients with schizophrenia in the list population, mean (IQR) 3 (1–5) 3 (1–5)
Proportion of consultations (%) with a psychological diagnosis, mean (IQR) 9.8 (7.6–12.5) 9.8 (7.5–12.5)
Proportion of GPs (%) working in municipalities with:   
<10,000 inhabitants 25.7% 28.3%
10–20,000 inhabitants 16.2% 16.1%
20–50,000 inhabitants 23.1% 21.9%
>50,000 inhabitants 35.0% 33.7%
  1. Data from 2009.
  2. *Inclusion criteria for GPs, based on claims data from 2009: Fee for service claims for ≥ 10 months, ≥ 500 consultations, and having a list size above the lower limit of 500. IQR, interquartile range.