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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
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