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Table 2 Measures of reliability for ISMI-RA

From: Internalised stigma in people with rheumatoid arthritis: a cross sectional study to establish the psychometric properties of the ISMI-RA

Measure Mean (SD) Range Internal consistency (α) Top/bottom scores (% of pts)
ISMI     Top Bottom
Total 2.2 (0.36) 1.04–3.13 0.85 1 1
Alienation 2.7 (0.61) 1.17–4.00 0.90 1 2
Stereotype endorsement 2.0 (0.26) 1.00–2.67 0.49 2 1
Social withdrawal 2.2 (0.45) 1.00–3.33 0.82 1 1
Discrimination experience 2.1 (0.32) 1.00–3.00 0.65 2 1
ISE 36.8 12.0–60.7 0.95 2 1