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Table 1 The structure of the PRE module of the Self-Injection Assessment Questionnaire© (SIAQ)v1.0 and the SIAQv1.1.

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

Items

Hypothetical domains (v1.0)

Refined domains (v1.1)

1. In general, how afraid are you of needles?

General feelings about injections

Feelings about injections

2. In general, how afraid are you of having an injection?

  

3. How anxious do you feel about giving yourself an injection?

Feelings about giving self-injections

 

4. How confident are you about giving yourself an injection in the right way?

 

Self-confidence

5. How confident are you about giving yourself an injection in a clean and sterile way?

  

6. How confident are you about giving yourself an injection safely?

  

7. Does your current way of taking your medication make you feel in control of your disease?

 

DELETED

8. Overall, how satisfied are you with your current way of taking your medication?

Satisfaction with self-injection

Satisfaction with self-injection