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Table 1 Variable definitions and descriptive statistics on the patient level1

From: Disenrollment from general practitioners among chronic patients: a register-based longitudinal study of Norwegian claims data

Variable

Definition

Sample 1 (N = 313,659)

Sample 2 (N = 30,212)

  

Median

Mean

St.dev

Median

Mean

St.dev

DT1_share

The share of a GP’s patients with diabetes type 1

0.005

0.007

0.006

0.005

0.006

0.005

DT2_share

The share of a GP’s patients with diabetes type 2

0.042

0.046

0.027

0.036

0.040

0.021

Arth_share

The share of a GP’s patients with arthritis

0.014

0.016

0.010

0.013

0.015

0.009

Asthm_share

The share of a GP’s patients with asthma

0.020

0.023

0.015

0.018

0.020

0.013

Depr_share

The share of a GP’s patients with depression

0.107

0.112

0.042

0.094

0.100

0.038

Schi_share

The share of a GP’s patients with schizophrenia

0.004

0.005

0.003

0.004

0.005

0.003

Epil_share

The share of a GP’s patients with epilepsy

0.008

0.009

0.004

0.008

0.008

0.004

ListLength

The number of patients on a GP’s list

1423

1444.0

367.8

1439

1453.4

367.8

Ln_ListLength

The natural logarithm of Listlength

7.261

7.240

0.277

7.272

7.248

0.270

GP_Age

The GP’s age

52

50.358

9.120

51

49.744

8.989

GP_Sex

=1 if the GP is male, =0 otherwise

1

0.706

0.455

1

0.673

0.469

GP_age · GP_Sex

The product of GP_Age and GP_Sex

48

36.473

24.718

45

34.266

25.016

GP_Specialist

=1 if the GP has a specialist degree in general medicine; =0 otherwise

1

0.707

0.455

1

0.702

0.457

Pat_Sex

=1 if the patient is male; =0 otherwise

0

0.426

0.494

0

0.494

0.500

Pat_BirthYear

The patient’s year of birth

1959

1958.6

19.1

1970

1961.5

13.5

Pat_Comorb

Sample 1: No. of chronic diseases minus one. Sample 2: Not defined

0

0.148

0.405

-

  

Pat_Visits

The patient’s number of visits to primary care

3

4.662

5.268

1

2.227

3.369

Pat_Visits_win

Winsorized Pat_Visits at 99th percentile (max = 23)

3

4.570

4.626

1

2.205

3.107

Pat_Visits_dum

=1 if Pat_Visit >23, =0 otherwise

0

0.10

0.98

0

0.002

0.047

  1. 1Municipalities over 50 000. First half of 2009