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Table 3 Results of the test of discriminant validity and correlation (square root of AVEs in the diagonal)

From: Quality of health websites and their influence on perceived usefulness, trust and intention to use: an analysis from Thailand

  CO AU DE AC QS US PQ TR PU IT
Content of site (CO) 0.740          
Authority of source (AU) 0.721 0.784         
Design (DE) 0.690 0.641 0.765        
Accessibility and availability of information (AC) 0.621 0.545 0.698 0.750       
Quality of links to other sources (QS) 0.609 0.596 0.610 0.587 0.811      
User support (US) 0.597 0.616 0.739 0.650 0.409 0.816     
Perceived information quality (PQ) 0.344 0.442 0.468 0.460 0.708 0.537 0.711    
Trust (TR) 0.439 0.408 0.519 0.495 0.373 0.606 0.427 0.756   
Perceived usefulness (PU) 0.013 0.051 0.004 0.016 0.214 0.353 0.139 0.524 0.744  
Intention to use (IT) 0.349 0.442 0.495 0.216 0.321 0.102 0.249 0.139 0.347 0.804
  1. Italicized values (diagonal elements) are the square root of the average variance extracted (AVE). They show the variance shared between a construct and its measures. Off-diagonal elements are correlations between latent constructs. All correlations are significant at p < 0.01 level