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Table 5 Measurement scales, reliability and validity of the constructs

From: Determinants of the willingness to participate in biobanking among Malaysian stakeholders in the Klang Valley

Factor and Item Corrected item-total correlation Alpha (α) Standardized factor loading Composite reliability Average variance extracted (AVE)
Engagement   0.691   0.713 0.456
1. Past and intended behaviour 0.468   0.707   
2. Awareness 0.568   0.844   
3. Knowledge 0.527   0.734   
Trust in Key Players   0.832   0.835 0.629
4. Scientists have done a good job for society 0.642   0.719   
5. Producers have done a good job for society 0.737   0.834   
6. Policy makers have done a good job for society 0.698   0.866   
Attitudes towards Technology   0.881   0.876 0.639
7. Leading to humanity’s extermination 0.726   0.823   
8. Impacts on urban life 0.794   0.876   
9. Detrimental to humanity 0.762   0.860   
10. Upsetting the balance of nature 0.688   0.811   
Religiosity   0.947   0.949 0.823
11. Importance of religion 0.904   0.930   
12. Decisions made based on religious views 0.811   0.868   
13. Importance of praying 0.911   0.942   
14. Importance of reading scriptures 0.869   0.914   
Religious Acceptance   0.838   0.840 0.723
15. Accepted by religion 0.722   0.852   
16. Accepted as part of customs 0.722   0.841   
Perceived Benefit   0.796   0.774 0.464
17. Enhance the quality of life 0.587   0.730   
18. Useful to society 0.663   0.785   
19. Solve problems that cannot currently be solved with traditional methods 0.528   0.696   
20. Benefits exceed risks 0.659   0.774   
Issues of Data and Specimen Protection   0.594   0.616 0.356
22. May give rise to unknown consequences 0.402   0.493   
24. Worries about ownership issues related to biobank data and specimens 0.451   0.825   
25. Probability of data and specimen misuse 0.464   0.788   
Willingness to Participate in Biobanking   0.810   0.834 0.641
26. Support the sharing of personal information and biological materials 0.482   0.767   
27. Willing to provide personal information 0.780   0.841   
28. Willing to give blood or tissue samples 0.740   0.805