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Table 3 Factor loadings, internal consistency and item-scale correlations (N = 172)

From: Psychometric properties of the Greek Diabetes Treatment Satisfaction Questionnaire

Item Description Factor loadings
(CFA)
Internal consistency reliability1 Item-scale correlations2
    Overall Item deleted DTSQ score Item 2 Item 3
1 Current treatment 0.77 0.92 0.90 0.76 -0.17* -0.26***
4 Treatment convenience 0.83   0.90 0.78 -0.18* -0.35***
5 Treatment flexibility 0.74   0.90 0.73 -0.18* -0.32***
6 Treatment understanding 0.87   0.89 0.80 -0.08 -0.25***
7 Treatment recommendation 0.67   0.91 0.70 -0.01 -0.31***
8 Treatment continuation 0.87   0.89 0.81 -0.24** -0.38***
2 Perceived hyperglycaemia 0.48 0.78 NA -0.20* - 0.64***
3 Perceived hypoglycaemia 1.22   NA -0.38* 0.64*** -
  1. 1 Cronbach's alpha
  2. 2 Corrected for overlap
  3. *P < 0.05, **P < 0.01, ***P < 0.001 according to Pearson's correlation