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Table 3 Descriptive items and scale characteristics (N = 117)

From: Psychometric properties of the Patient Assessment of Chronic Illness Care measure (PACIC-5A) among patients with obesity

Scales

Mean (SD)

Floor effects n (%)

Ceiling effects n (%)

Item-scale-correlationa

Item-total-correlationb

α

Test- retest ICC (n = 56)

Overall PACIC Score

2.33 (0.8)

6 (5.1)

  

0.93

0.57

Patient Activation

2.70 (1.1)

10 (8.5)

3 (2.6)

  

0.72

0.46

 Item 1

2.88 (1.4)

27 (23.1)

19 (16.2)

0.63

0.73

  

 Item 2

2.50 (1.4)

40 (34.2)

12 (10.3)

0.66

0.66

  

 Item 3

2.72 (1.5)

37 (31.6)

18 (15.4)

0.37

0.52

  

Delivery System/ Decision Support

2.77 (1.0)

13 (11.1)

2 (1.7)

  

0.71

0.30

 Item 4

1.82 (1.2)

70 (59.8)

4 (3.4)

0.40

0.49

  

 Item 5

3.46 (1.3)

17 (14.5)

28 (23.9)

0.60

0.64

  

 Item 6

3.03 (1.2)

20 (17.1)

14 (12.0)

0.59

0.59

  

Goal Setting/ Tailoring

2.11 (0.9)

22 (18.8)

  

0.75

0.46

 Item 7

2.94 (1.4)

28 (23.9)

20 (17.1)

0.69

0.74

  

 Item 8

2.69 (1.4)

35 (29.9)

15 (12.8)

0.66

0.71

  

 Item 9

1.42 (0.9)

89 (76.1)

2 (1.7)

0.40

0.50

  

 Item 10

1.79 (1.2)

72 (61.5)

5 (4.3)

0.40

0.45

  

 Item 11

1.71 (1.1)

75 (64.1)

3 (2.6)

0.43

0.45

  

Problem Solving/ Contextual

2.28 (1.2)

28 (23.9)

2 (1.7)

  

0.89

0.59

 Item 12

2.67 (1.5)

40 (34.2)

15 (12.8)

0.72

0.79

  

 Item 13

1.82 (1.1)

66 (56.4)

3 (2.6)

0.71

0.71

  

 Item 14

2.14 (1.3)

55 (47.0)

7 (6.0)

0.83

0.78

  

 Item 15

2.50 (1.4)

42 (35.9)

11 (9.4)

0.77

0.76

  

Follow-up/ Coordination

2.08 (0.9)

22 (18.8)

  

0.70

0.60

 Item 16

1.57 (1.1)

88 (75.2)

6 (5.1)

0.13

0.28

  

 Item 17

2.27 (1.3)

47 (40.2)

10 (8.5)

0.46

0.50

  

 Item 18

2.09 (1.4)

63 (53.8)

12 (10.3)

0.53

0.53

  

 Item 19

1.92 (1.3)

69 (59.0)

10 (8.5)

0.66

0.51

  

 Item 20

2.55 (1.6)

50 (42.7)

19 (16.2)

0.52

0.54

  

5A Summary Score

2.29 (0.9)

6 (5.1)

  

0.94

0.63

Assess

2.45 (1.0)

14 (12.0)

  

0.80

0.57

 Item 1

2.88 (1.4)

27 (23.1)

19 (16.2)

0.61

0.72

  

 Item 11

1.71 (1.1)

75 (64.1)

3 (2.6)

0.40

0.47

  

 Item 15

2.50 (1.4)

42 (35.9)

11 (9.4)

0.69

0.78

  

 Item 20

2.55 (1.6)

50 (42.7)

19 (16.2)

0.53

0.55

  

 Item 21

2.62 (1.4)

36 (30.8)

13 (11.1)

0.69

0.78

  

Advise

2.29 (0.8)

10 (8.5)

  

0.70

0.54

 Item 4

1.82 (1.2)

70 (59.8)

4 (3.4)

0.40

0.46

  

 Item 6

3.03 (1.2)

20 (17.1)

14 (12.0)

0.51

0.58

  

 Item 9

1.42 (0.9)

89 (76.1)

2 (1.7)

0.46

0.50

  

 Item 19

1.92 (1.3)

69 (59.0)

10 (8.5)

0.41

0.52

  

 Item 24

3.28 (1.4)

20 (17.1)

31 (26.5)

0.51

0.74

  

Agree

2.67 (1.1)

9 (7.7)

1 (0.9)

  

0.84

0.55

 Item 2

2.50 (1.4)

40 (34.2)

12 (10.3)

0.63

0.67

  

 Item 3

2.72 (1.5)

37 (31.6)

18 (15.4)

0.44

0.53

  

 Item 7

2.94 (1.4)

28 (23.9)

20 (17.1)

0.73

0.75

  

 Item 8

2.69 (1.4)

35 (29.9)

15 (12.8)

0.71

0.71

  

 Item 25

2.50 (1.4)

42 (35.9)

11 (9.4)

0.73

0.76

  

Assist

1.99 (0.9)

31 (26.5)

  

0.81

0.50

 Item 10

1.79 (1.2)

72 (61.5)

5 (4.3)

0.39

0.45

  

 Item 12

2.67 (1.5)

40 (34.2)

15 (12.8)

0.72

0.82

  

 Item 13

1.82 (1.1)

66 (56.4)

3 (2.6)

0.73

0.72

  

 Item 14

2.14 (1.3)

55 (47.0)

7 (6.0)

0.74

0.80

  

 Item 26

1.51 (1.1)

90 (76.9)

7 (6.0)

0.45

0.47

  

Arrange

2.02 (0.9)

25 (21.4)

  

0.68

0.69

 Item 16

1.57 (1.1)

88 (75.2)

6 (5.1)

0.23

0.29

  

 Item 17

2.27 (1.3)

47 (40.2)

10 (8.5)

0.47

0.50

  

 Item 18

2.09 (1.4)

63 (53.8)

12 (10.3)

0.35

0.53

  

 Item 22

2.29 (1.4)

53 (45.3)

11 (9.4)

0.51

0.64

  

 Item 23

1.88 (1.3)

68 (58.1)

7 (6.0)

0.61

0.67

  
  1. SD standard deviation, PACIC Patient Assessment of Chronic Illness Care, α Chronbach’s alpha, ICC Intraclass Correlation Coefficient, acorrelation between item and referring scale, bcorrelation between item and overall PACIC score or 5A summary score