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Table 4 Convergent Validity: Spearman Correlations of the DID-EQ with TRIM-D Device and DTSQ Measures

From: Psychometric evaluation of the Diabetes Injection Device Experience Questionnaire (DID-EQ) and Diabetes Injection Device Preference Questionnaire (DID-PQ)

  Correlations with TRIM-D Device Subscales Correlations with DTSQ
DID-EQ Subscales Total Score (N = 140) Device Function (N = 141) Device Bother (N = 140)
Device Characteristics 0.77 0.67 0.65 0.60
Global Items
 Satisfaction 0.69 0.60 0.57 0.56
 Ease of Use 0.65 0.60 0.49 0.57
 Convenience 0.63 0.59 0.47 0.58