Dependent variable

Trust belief

Purchase intention

Independent variable

Standardized regression coefficients (β value)

Regression model

Model 1

Model 2

Model 3

Model 4

Model 5

Model 6

Model 7

Co-design

0.722***

0.290***

0.638***

Individual tendency of trust

0.714***

0.214***

0.598***

Trust belief

0.482***

0.539***

0.691***

R2

0.521

0.509

0.518

0.500

0.407

0.358

0.478

Adjusted R2

0.519

0.507

0.514

0.498

0.404

0.355

0.476

F value

254.116***

242.751***

125.196***

116.558***

160.301***

130.269***

214.060***

t value

15.941***

15.580***

4.410***

7.340***

3.230***

8.150***

12.661***

11.414***

14.631***