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Table 1 Results of the recruitment of the private dental clinics

From: Dental practitioner recruitment for a randomized clinical trial in the field to evaluate the performance of a new glass ionomer restoration material

  

Trial participation

 

Location of the GDP

ZIP code region

Study proposal (N = 3194)

Refusal

Open decision

Promise

Lecture participation (N = 144)

Urban

Outskirts of town

Rural

  

[%]

[%]

[%]

N

[%]

[%]

[%]

[%]

0

396

14.6

77.5

7.8

15

7,8

53.3

40.0

6.7

2

70

62.9

12.9

25.7

10

14.3

60.0

30.0

10.0

3

294

56.5

32.0

11.9

27

9.2

77.8

14.8

3.7

4

471

80.9

11.9

7.6

24

5.5

58.3

33.3

8.3

5

738

42.8

56.2

7.0

42

5.8

54.8

28.6

11.9

6

588

31.3

71.3

3.6

8

1.7

87.5

12.5

0

7/8a

637

86.0

0.3

6.9

18

5.2

61.1

22.2

16.7

 

MEAN [%]

53.6

37.4

10.1

 

7.1

64.7

25.9

8.2

  1. aBecause of the close location, Regions 7 and 8 were calculated together
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Trials

ISSN: 1745-6215