Research Article
Identification of Key Indicators for Sustainable Construction Materials
Table 2
Item loading and construct reliability.
| Dimension | Code | Indicators | Number of items | Cronbach alpha |
| Environmental | EN1 | Climate change | 11 | 0.734 | EN2 | Ozone layer depletion | EN3 | Human toxicity | EN4 | Ecotoxicity | EN5 | Acidification (acid deposit) | EN6 | Fossil fuel depletion | EN7 | Solid waste | EN8 | Mineral extraction | EN9 | Water extraction | EN10 | Freight transport | EN11 | Photochemical oxidation |
| Social | SO1 | Cultural heritage preservation | 8 | 0.875 | SO2 | Aesthetic quality | SO3 | Choice and security of tenure | SO4 | Housing for all | SO5 | Empowerment and participation | SO6 | Adaptability | SO7 | Accessibility | SO8 | Thermal comfort |
| Economic | EC1 | Initial cost | 6 | 0.820 | EC2 | Maintenance cost | EC3 | Operational cost | EC4 | Job creation | EC5 | Long-term savings | EC6 | Tourism |
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