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Table 2 Criteria used in 36 published papers pleading for or against screening for unsafe driving. 36 published papers include 29 original studies, 4 literature reviews and 3 editorials; documented means that quantitative estimates were provided, indicators in parentheses are defined in figure 1

From: Systematic screening for unsafe driving due to medical conditions: Still debatable

Criteria and corresponding indicators

Mentioned

Documented

 

n

%

n

%

1. Are the consequences of the medical condition on road safety severe enough?

25

70

14

39

   High prevalence of the medical condition (Is 1 )

15

42

3

11

   High proportion of individuals with medical condition who drive (Is 2 )

10

28

4

11

   High proportion of drivers with medical condition who become unsafe (Is 3 )

0

0

0

0

   Higher risk of collision of unsafe drivers due to medical condition (Is 4 )

21

58

6

17

   Frequency of potential self-regulation strategies (Fms)

12

33

3

8

2. Is the potentially unsafe driving period defined and long enough?

1

3

0

0

   Definition of a potential unsafe driving period

0

0

0

0

   Length of the unsafe driving period

1

3

0

0

3. Is there a reliable and valid test?

24

67

13

36

   Performance of diagnostic test to detect medical conditions (Ip 1 )

5

14

1

3

   Performance of diagnostic test to detect unsafe driving (Ip 2 )

18

50

12

33

   Prediction of collision risk (Ip 3 )

14

39

6

17

4. What should be the early intervention for drivers diagnosed unsafe?

20

55

15

42

   Nature of intervention

13

36

7

19

   Expected positive effects (Ipe)

11

30

7

19

   Expected negative effects (Ine)

12

33

2

5

5. Would the proposed screening programme result in more good than harm?

19

53

2

5

6. Would the minimal resources required to implement the screening programme acceptable?

8

22

2

5