Table 3.
Measurement items
| Constructs | Items | Correlation loading | CA | rho_A | CR | AVE |
|---|---|---|---|---|---|---|
| Intensity of use | (ITU-1) Social networking is part of my daily activity | 0.776*** | 0.72 | 0.777 | 0.807 | 0.586 |
| (ITU-2) I am proud when I say to people that I use social media | 0.881*** | |||||
| (ITU-3) I would have a hard time if social media disappeared | 0.617** | |||||
| Economic sustainability | (SUSEC-1) My university tries to maximise its profit to ensure its continuity | 0.636*** | 0.867 | 0.880 | 0.905 | 0.658 |
| (SUSEC-2) My university tries to build long-term relationships with its iter groups to ensure its long-term success | 0.843*** | |||||
| (SUSEC-3) My university is continuously trying to improve the quality of the services it offers | 0.866*** | |||||
| (SUSEC-4) My university tries to have a competitive pricing policy | 0.805*** | |||||
| (SUSEC-5) My university tries to do everything possible to be more productive | 0.881*** | |||||
| Social sustainability | (SUSS-1) My university supports and sponsors public health programmes | 0.749*** | 0.91 | 0.913 | 0.928 | 0.650 |
| (SUSS-2) My university sponsors social and cultural events (music, sport, etc.) | 0.728*** | |||||
| (SUSS-3) My university is involved in and financially supports social causes | 0.857*** | |||||
| (SUSS-4) My university helps to improve the quality of life of the local community | 0.831*** | |||||
| (SUSS-5) My university treats employees fairly (no discrimination or abuse, regardless of gender, race, origin or religion) | 0.821*** | |||||
| (SUSS-6) My university provides training and promotion opportunities for employees | 0.819*** | |||||
| (SUSS-7) My university helps to solve social problems | 0.828*** | |||||
| Evironmental sustainability | (SUSE-1) My university has a recycling policy | 0.873*** | 0.94 | 0.94 | 0.952 | 0.768 |
| (SUSE-2) My university promotes positive environmental ethics among stakeholders | 0.879*** | |||||
| (SUSE-3) My university values and protects the environment | 0.902*** | |||||
| (SUSE-4) My university has pollution awareness campaigns | 0.853*** | |||||
| (SUSE-5) My university defends the diversity of nature, encouraging it to be valued and protected | 0.881*** | |||||
| (SUSE-6) My university tries to use only the necessary natural resources | 0.870*** |
CA = Cronbach’s alpha; CR = Composite Reliability; AVE = Average Variance Extracted
*p-valor < 0,05, **p-valor < 0,01, ***p-valor < 0,001
Source: own elaboration