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. 2019 Aug 29;21(8):e15087. doi: 10.2196/15087

Table 2.

Internal and convergent validity.

Construct and items Factor loading Cronbach alpha Average variance extracted Mean (SD)
HABa 0.96 0.89 5.38 (1.22)
  HAB1 0.95      
  HAB2 0.92      
  HAB3 0.94      
  HAB4 0.96      
PITb 0.97 0.94 4.67 (0.86)
  PIT1 0.97      
  PIT2 0.96      
  PIT3 0.97      
CSEc 0.97 0.92 5.90 (0.96)
  CSE1 0.94      
  CSE2 0.96      
  CSE3 0.96      
  CSE4 0.96      
EIUd 0.98 0.94 5.92 (1.14)
  EIU1 0.98      
  EIU2 0.98      
  EIU3 0.99      
  EIU4 0.92      
ERUe 0.96 0.9 4.78 (1.52)
  ERU1 0.92      
  ERU2 0.94      
  ERU3 0.96      
  ERU4 0.96      
PERFf 0.97 0.9 5.63 (1.22)
  PERF1 0.95      
  PERF2 0.97      
  PERF3 0.97      
  PERF4 0.96      
  PERF5 0.89      

aHAB: habit.

bPIT: personal innovativeness with information technology.

cCSE: computer self-efficacy.

dEIU: exploitative use.

eERU: exploratory use.

fPERF: care performance.