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Table 3 Scale characteristics and inter-correlations of the shortened subscales (n = 296)

From: Validation of the self-management ability scale (SMAS) and development and validation of a shorter scale (SMAS-S) among older patients shortly after hospitalisation

 

items

short

version

Cronbach's alpha

original full scale

scale mean

(sd)

inter-item correlations range

1

2

3

4

5

1. Taking Initiatives

1, 3, 5

.77

.91*

1.86 (.88)

.43-.70

     

2. Investment Behavior

6, 9, 10

.71

.93*

1.98 (.90)

.42-.50

.62*

    

3. Variety

11, 13, 15

.69

.93*

1.90 (.97)

.38-.50

.47*

.53*

   

4. Multifunctionality

16, 17, 18

.69

.90*

1.70 (.86)

.34-.62

.43*

.61*

.53*

  

5. Self-efficacy

21, 23, 24

.77

.94*

2.22 (.87)

.47-.61

.63*

.71*

.49*

.57*

 

6. Positive Frame of Mind

27, 29, 30

.74

.95

2.31 (1.01)

.48-.50

.33*

.40*

.19*

.22*

.51*

  1. * p < 0.01