Total knowledge and attitude score (max = 10)

Range

Mean

SD

SE

N

P value

Gender

0.64 [NS]

Female

(1.5 - 7.7)

4.0

1.5

.16

83

Male

(1.5 - 6.2)

3.8

1.4

.34

17

Age group (years)

0.023

<40

(1.5 - 6.2)

3.3

1.4

.30

23

40 - 59

(1.5 - 7.7)

4.3

1.5

.19

59

60+

(1.5 - 6.2)

3.7

1.4

.32

18

r = 0.044 P = 0.66 [NS]

Academic level

0.13 [NS]

Illiterate

(1.5 - 7.7)

3.9

1.5

.27

31

Read and write

(1.5 - 4.6)

2.9

.9

.28

10

Primary school

(1.5 - 6.9)

4.1

1.5

.30

25

Secondary school

(1.5 - 6.9)

4.0

1.5

.35

18

College

(1.5 - 6.9)

4.5

1.5

.38

16

r = 0.163 P = 0.11 [NS]

Duration of the disease in year-categories (quartiles)

First quartile (lowest) ≤ 2

(1.5 - 6.9)

4.1

1.5

.30

25

0.59 [NS]

Interquartile range (average) 2.1 - 12

(1.5 - 7.7)

4.0

1.5

.22

50

Fourth quartile (highest) >12

(1.5 - 6.2)

3.7

1.4

.27

25

r = −0.087 P = 0.39 [NS]

Functional class

0.42 [NS]

Class I

(1.5 - 6.9)

3.9

1.2

.30

16

Class II

(1.5 - 7.7)

3.7

1.6

.25

40

Class III

(1.5 - 6.2)

4.1

1.4

.24

34

Class IV

(2.3 - 6.9)

4.5

1.8

.57

10

r = 0.115 P = 0.25 [NS]

Disease activity (DAS28 score categories)

0.88 [NS]

Low disease activity (≤ 3.2)

(1.5 - 6.9)

3.8

1.7

.44

15

Moderate disease activity (3.2 - 5.1)

(1.5 - 7.7)

3.9

1.6

.25

39

High disease activity (>5.1)

(1.5 - 6.9)

4.0

1.4

.20

46

r = 0.064 P = 0.53 [NS]

Count of hospital admissions in previous year-categories

0.33 [NS]

None

(1.5 - 7.7)

3.8

1.5

.19

65

Once

(1.5 - 6.9)

4.4

1.3

.33

15

2+

(1.5 - 6.9)

4.0

1.5

.33

20

r = 0.121 P = 0.23 [NS]