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Table 5 Correlation between Self-Injection Assessment Questionnaire© version 1.1 (SIAQv1.1) domain scores at first self-injection visit

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

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