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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