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Table 4 Descriptive statistics per health literacy competence and domain (N = 925) a

From: Health literacy of Dutch adults: a cross sectional survey

Competence domain

Items

Missings (n)b

Mean (SD)

Mean per item (SD)

Mean per item per quartile

     

25

50

75

Accessing

11

231

35.2 (5.2)

3.2 (0.5)

2.6

3.2

3.7

  Healthcare

3

82

9.7 (1.8)

3.2 (0.6)

2.7

3.3

3.4

  Disease prevention

6

122

20.3 (3.1)

3.4 (0.5)

2.8

3.4

4.0

  Health promotion

2

118

5.1 (1.7)

2.6 (0.8)

1.7

2.5

3.9

Understanding

11

157

36.8 (4.9)

3.3 (0.5)

2.8

3.4

3.9

  Healthcare

4

58

13.5 (2.1)

3.4 (0.5)

2.8

3.4

3.9

  Disease prevention

3

29

10.8 (1.5)

3.6 (0.5)

3.0

3.7

4.0

  Health promotion

4

108

12.5 (2.6)

3.1 (0.7)

2.4

3.2

3.9

Appraising

12

219

36.7 (5.9)

3.1 (0.5)

2.5

3.1

3.7

  Healthcare and prevention

9

201

27.0 (4.8)

3.0 (0.5)

2.4

3.0

3.6

  Health promotion

3

47

9.8 (1.9)

3.3 (0.6)

2.7

3.5

4.0

Applying

9

196

28.9 (4.2)

3.2 (0.5)

2.7

3.2

3.8

  Healthcare

3

16

10.8 (1.5)

3.6 (0.5)

3.0

3.7

4.0

  Disease prevention

2

64

5.7 (1.7)

2.9 (0.8)

1.8

2.8

3.8

  Health promotion

4

155

12.4 (2.7)

3.1 (0.7)

2.3

3.1

3.8

  1. a Scores ranged from ‘very difficult’ (lowest score) to ‘very easy’ (highest score).
  2. b Number of missing values per competence and domain before multiple imputation.