Table 4 Stendal Adherence to Medication Score (SAMS) scores.

From: Data on medication adherence in adults with neurological disorders: The NeuroGerAd study

SAMS Items

Mean

SD

Floor %

Ceiling %

Missing

Sum Score

6.31

7.63

21.1

0.2

0

Item 1

0.45

0.95

75.1

2.5

5

Item 2

0.53

1.13

76.5

6.0

6

Item 3

0.28

0.81

84.2

2.5

9

Item 4

0.24

0.71

85.3

2.0

5

Item 5

0.51

1.07

74.5

4.1

11

Item 6

0.63

0.75

49.8

0.5

6

Item 7

0.80

1.30

62.7

10.2

83

Item 8

0.33

0.87

82.4

3.0

13

Item 9

0.30

0.80

82.2

2.2

11

Item 10

0.05

0.40

96.9

0.8

9

Item 11

0.29

0.82

84.2

2.7

8

Item 12

0.28

0.80

84.3

2.6

13

Item 13

0.19

0.66

88.1

1.6

16

Item 14

0.32

0.77

74.6

2.1

46

Item 15

0.35

0.78

70.0

1.5

84

Item 16

0.47

0.83

64.9

2.0

45

Item 17

0.17

0.64

88.8

1.8

20

Item 18

0.25

0.65

76.9

1.0

65

  1. Note: For individual items, floor effects indicate answer levels of 0, equalling adherence, ceiling effects indicate answer levels of 4, signalling nonadherence.