Table 4 Internal Consistency measures (raw variables) of items and subscales of the RACER instrument measured at baseline

General Knowledge

K1

0.57

0.63 (0.55–0.65)

K2

0.3

K3

0.42

K4

0.5

K5

0.51

K6

0.33

K7

0.71

K8

0.67

Knowledge About Medications

K9

0.93

0.92 (0.91–0.93)

K10

0.92

K11

0.94

Planning for Adult Life

P1

0.69

0.75 (0.71–0.78)

P2

0.72

P3

0.73

P4

0.68

P5

0.68

Managing Your Health Condition

M1

0.72

0.76 (0.72–0.79)

M2

0.65

M3

0.79

M4

0.73

M5

0.51

M6

0.65

Standing Up for Yourself

S1

0.7

0.85 (0.83–0.87)

S2

0.69

S3

0.78

S4

0.83

S5

0.82

S6

0.76

Knowing How to Get Around the Healthcare System

HS1

0.79

0.86(0.84–0.88)

HS2

0.8

HS3

0.86

HS4

0.82