Table 3 Multicollinearity test.

From: Factors influencing the energy saving potential of suburban dwellings in Jiangsu Province, China

Variant

TOL

VIF

Perception of climate

0.55

1.8

Environmental responsibility

0.55

1.85

Policies and regulations

0.14

8.8

Economic costs

0.12

8.0

Indoor comfort

0.98

1.0

Energy use

0.81

1.2

Perception of clean energy

0.14

7.2

Willingness to save energy with low carbon

0.51

1.94

Group psychology

0.13

7.18