Table 4 Factor analysis results for problems perception
From: Preferences for policy measures to regulate urban vehicle access for climate change mitigation
Factor | Item | Factor loading | Communality | Cronbach’s alpha |
|---|---|---|---|---|
General transport-related problem | Public transport | 0.817 | 0.664 | 0.72 |
Safety | 0.790 | 0.659 | Â | |
Active mobility | 0.785 | 0.624 | Â | |
Environment-related problem | Air pollution | 0.957 | 0.894 | 0.87 |
Noise annoyance | 0.908 | 0.866 | Â | |
Driving-related problems | Parking | 0.940 | 0.823 | 0.70 |
Congestion | 0.782 | 0.747 | Â | |
KMO’s measure of sampling adequacy | 0.703 |  |  |  |
Bartlett’s test of sphericity | Chi-square = 928.637; df = 21; p < 0.001 | |||