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

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

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

ISSN: 2050-7283