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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