Table 3

Comparisons among self-reports and EMR data by ethnic group

Dutch

Morocco

Turkey

Netherlands Antilles

Surinam

self-reported receipt of a prescription vs. EMR prescribed medication

Percentage agreement

both yes

4.5

3.7

10.1

5.6

9.9

both no

73.8

70.4

62.7

65.2

59.6

Total agreement

78.3

74.1

72.8

70.8

69.5

Percentage disagreement

underreporting

11.2

5.8

7.9

10.1

8.5

overreporting

10.6

20.1

19.3

19.1

22.0

total disagreement

21.8

25.9

27.2

29.2

30.5

kappa

0.16

0.10

0.26

0.11

0.21

self-reported use of prescribed medication vs. EMR prescribed medication

Percentage agreement

both yes

13.2

6.9

11.7

11.2

15.6

both no

49.3

59.3

54.8

53.9

43.3

total agreement

62.5

66.2

66.5

65.1

58.9

Percentage disagreement

underreporting

2.5

2.6

6.1

4.5

2.8

overreporting

35.0

31.2

27.4

30.3

38.3

total disagreement

37.5

33.8

33.5

34.8

41.1

Kappa

0.23

0.16

0.22

0.21

0.22

Uiters et al. BMC Health Services Research 2006 6:115   doi:10.1186/1472-6963-6-115