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Table 1 Representativeness of the sample: comparison of study-population values to national administrative databases

From: General practitioner’s clinical practices, difficulties and educational needs to manage Alzheimer’s disease in France: analysis of national telephone-inquiry data

 

Inquiry respondents

  

Sample characteristic

Phone

Internet

Total

AD module

ADELIa2008

SNIRb2008

N

1,898

185

2,083

1058

68,313

61,359

Sex (%)

      

Male

69.0

77.8

69.8

69.1

69.4

72.0

Female

31.0

22.2

30.2

30.9

30.6

28.0

Age (%)

      

<40 years

13.0

8.6

12.6

11.9

14.8

10.5

40–49 years

29.2

28.1

29.1

29.8

30.3

28.5

50–59 years

43.6

50.3

44.2

44.7

42.7

45.0

>59 years

14.2

13.0

14.0

13.6

12.2

15.9

Practice regionc (%)

      

Île-de-France

14.1

14.1

14.1

14.0

17.7

16.4

Northwest

17.1

18.4

17.2

17.8

18.3

18.6

Northeast

23.7

25.4

23.9

23.8

22.1

22.5

Southeast

30.6

24.3

30.0

30.1

26.7

27.2

Southwest

14.5

17.8

14.8

14.3

15.2

15.3

  1. Values are expressed as percentages unless stated otherwise.
  2. aADELI (Automatisation DEs Listes: Automation of the Lists) is a national database that records all practicing professionals who must register their education degrees with State authorities. Included herein are only the GPs declaring at least half of their professional activity in private practice during 2008.
  3. bSNIR (Système National Inter-Régimes: National System between Reimbursement Regimens) is an information database, managed by the health-insurance organizations, that collects all the professionals whose private-practice activities earned a reimbursement during the previous year. The SNIR registry includes, in addition to doctors in private practice, full-time hospital staff physicians with private consultations in the hospital.
  4. cLocations where the GPs exercised their profession were apportioned according to regional telephone codes.