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Table 4 Satisfaction with self-injection grouped by Self-Injection Assessment Questionnaire© version 1.1 (SIAQv1.1) causal domain score

From: Assessment of self-injection experience in patients with rheumatoid arthritis: psychometric validation of the Self-Injection Assessment Questionnaire (SIAQ)

Domain-score group

n

Satisfaction score at first self-injection visit

  

Mean (SD)

p

Overall

   

Causal domain scores all > 2 at first injection (best scores)

65

7.09 (1.50)

-

Any causal domain score ≤ 2 at first self-injection (worst scores)

32

6.14 (1.69)

0.009

Confidence

   

More confident before first injection (domain score > 2)

47

7.47 (1.37)

-

Less confident before first injection (domain score ≤ 2)

36

6.09 (1.60)

< 0.001

Anxiety

   

Less afraid/anxious before first injection (domain score > 2)

63

7.32 (1.51)

-

More afraid/anxious before first injection (domain score ≤ 2)

14

5.47 (1.21)

< 0.001

  1. SD, standard deviation.