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Table 4 Composite reliability (CR), the square root of the Average Variance Extracted (AVE) (in bold) and correlations between constructs (off-diagonal)

From: Evaluating psychometric properties of the Short Form Brief Pain Inventory Sinhala Version (SF BPI-Sin) among Sinhala speaking patients with cancer pain in Sri Lanka

Latent constructs Composite reliability Average variance extracted Latent constructs
Severity subscale Interference subscale
Severity subscale 0.902 0.647 0.804  
Interference subscale 0.879 0.568 0.140 0.753