Table 2 Multiple linear regression model of total GMV and interested regional interested GMVs using environment variables as predictor
| Â | Unstandardized Coefficients | Sig | 95% Confidence Interval for B | Standardized Coefficients | ||
|---|---|---|---|---|---|---|
| Â | B | Std Error | Lower Bound | Upper Bound | Beta | |
Total GMV: Adjusted R2: 0.547; F Sig.: < 0.001; Std. Error of the Estimate: 41.72; N: 485 | ||||||
 (Constant) | 697.489 | 74.099 |  < 0.001 | 551.888 | 843.09 |  |
 Age | -0.239 | 0.047 |  < 0.001 | -0.331 | -0.146 | -0.174 |
 Gender | -66.432 | 6.043 |  < 0.001 | -78.306 | -54.558 | -0.536 |
 Education Year | 1.223 | 0.828 | 0.140 | -0.404 | 2.851 | 0.049 |
 Height | 0.647 | 0.419 | 0.123 | -0.176 | 1.47 | 0.083 |
 Weight | 1.042 | 0.237 |  < 0.001 | 0.577 | 1.507 | 0.207 |
Mother Education | 1.216 | 0.556 | 0.029 | 0.123 | 2.31 | 0.085 |
 Having Siblings | 8.75 | 4.848 | 0.072 | -0.776 | 18.277 | 0.07 |
 Urbanicity | 2.149 | 1.11 | 0.053 | -0.032 | 4.33 | 0.078 |
Temporal Pole: Adjusted R2: 0.226; F Sig.: < 0.001; Std. Error of the Estimate: 0.06856; N: 485 | ||||||
 (Constant) | 0.052 | 0.043 | 0.222 | -0.032 | 0.137 |  |
 Mother Education | -0.001 | 0.001 | 0.16 | -0.003 | 0.001 | -0.07 |
 Single Child | -0.012 | 0.008 | 0.123 | -0.027 | 0.003 | -0.077 |
 Total GMV | 0.001 | 0 |  < 0.001 | 0 | 0.001 | 0.438 |
 Urbanicity | 0.004 | 0.002 | 0.023 | 0.001 | 0.008 | 0.12 |
DLPFC: Adjusted R2: 0.531; F Sig.: < 0.001; Std. Error of the Estimate: 0.05372; N: 485 | ||||||
 (Constant) | -0.058 | 0.038 | 0.132 | -0.133 | 0.017 |  |
 Age | 0 | 0 | 0.002 | 0 | 0 | -0.1 |
 Father Education | -0.002 | 0.001 | 0.054 | -0.003 | 0 | -0.085 |
Mother Education | 0.002 | 0.001 | 0.034 | 0 | 0.003 | 0.098 |
 Having Siblings | 0.011 | 0.006 | 0.089 | -0.002 | 0.023 | 0.067 |
 Total GMV | 0.001 | 0 |  < 0.001 | 0.001 | 0.001 | 0.699 |
 Urbanicity | 0.004 | 0.001 | 0.004 | 0.001 | 0.007 | 0.12 |
BA11: Adjusted R2: 0.592; F Sig.: < 0.001; Std. Error of the Estimate: 0.03899; N: 485 | ||||||
 (Constant) | -0.169 | 0.041 |  < 0.001 | -0.249 | -0.09 |  |
 Age | -7.23E-05 | 0 | 0.08 | 0 | 0 | -0.054 |
 Gender | 0.015 | 0.005 | 0.003 | 0.005 | 0.025 | 0.124 |
Having Siblings | 0.01 | 0.004 | 0.028 | 0.001 | 0.018 | 0.078 |
 Total GMV | 0.001 | 0 |  < 0.001 | 0.001 | 0.001 | 0.852 |
 Urbanicity | -0.005 | 0.001 |  < 0.001 | -0.007 | -0.003 | -0.172 |
BA8: Adjusted R2: 0.517; F Sig.: < 0.001; Std. Error of the Estimate: 0.04526; N: 485 | ||||||
 (Constant) | -0.141 | 0.047 | 0.003 | -0.234 | -0.049 |  |
 Age | -7.56E-05 | 0 | 0.111 | 0 | 0 | -0.053 |
 Gender | 0.015 | 0.006 | 0.009 | 0.004 | 0.027 | 0.118 |
 Total GMV | 0.001 | 0 |  < 0.001 | 0.001 | 0.001 | 0.795 |
 Urbanicity | -0.006 | 0.001 |  < 0.001 | -0.008 | -0.004 | -0.208 |