Table 4 Multicollinearity test results

OB_r

2.04

0.49

OB_n

3.06

0.33

OB_c

3.24

0.31

OB_o

2.56

0.39

OB_t

2.59

0.40

WOM_rp

2.43

0.41

WOM_np

2.47

0.41

WOM_cp

1.74

0.58

WOM_op

1.83

0.55

WOM_tp

1.95

0.51

WOM_rn

2.80

0.36

WOM_nn

2.68

0.37

WOM_cn

1.75

0.57

WOM_on

1.64

0.61

WOM_tn

1.65

0.61

Tr

1.14

0.87

Tn

1.04

0.96

Tc

1.28

0.78

To

1.26

0.79

Tt

1.29

0.78

Gender

1.24

0.81

Age

1.29

0.78

Education

1.46

0.68

Labor

1.14

0.88

Household income

1.17

0.86

Subsidy

1.11

0.90

Risk perception

1.19

0.84

Cost-effective perception

1.16

0.86

Hill

1.24

0.81

Mountains

1.24

0.81