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

Table 5 Correlation between Self-Injection Assessment Questionnaire^© version 1.1 (SIAQ_v1.1) domain scores at first self-injection visit

Domains	Feelings about injections	Self-confidence	Injection-site reactions	Ease of use	Satisfaction with self-injection
Feelings about injections	-	0.21	0.42	0.40	0.62
Self-confidence	0.21	-	0.12	0.32	0.33
Injection-site reactions	0.42	0.12	-	0.38	0.39
Ease of use	0.40	0.32	0.38	-	0.52
Satisfaction with self-injection	0.62	0.33	0.39	0.52	-
Mean of causal domains	-	-	-	-	0.67

ISSN: 1477-7525