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Table 5 Constructs reliability and validity: Cronbach’s alpha, Average Variance Extracted (AVE) and Composite Reliability (CR) for Donors (Group A) and Non-donors (Group B)

From: Promoting the propensity for blood donation through the understanding of its determinants

Group A: DONORS

Group B: NON-DONORS

Factor

Cronbach’s alpha

AVE

CR

Factor

Cronbach’s Alpha

AVE

CR

Attitude

0.910

0.638

0.913

Attitude

0.880

0.562

0.884

Subjective norm

0.872

0.695

0.871

Subjective norm

0.804

0.547

0.783

Perceived behavioural control

0.842

0.619

0.828

Perceived behavioural control

0.750

0.584

0.806

Inhibitors

0.897

0.639

0.898

Inhibitors

0.840

0.575

0.868

Information and Communication

0.941

0.759

0.926

Information and Communication

0.900

0.671

0.889

Service Quality

0.934

0.816

0.930

Service Quality

0.900

0.734

0.892

Intention

0.777

0.553

0.784

Intention

0.753

0.625

0.826

WOM

0.891

0.821

0.901

WOM

0.841

0.731

0.844