| variable | M6:IMM | M7:FAB | M8:FAB |
| Step 1 (control variable) |
|
|
|
| gender | −0.13(0.13) | 0.05(0.15) | 0.06(0.13) |
| age | 0.17(0.19) | 0.02(0.20) | 0.14(0.19) |
| schooling | −0.13(0.10) | −0.03(0.11) | 0.01(0.10) |
| position | −0.01(0.09) | −0.14(0.10) | −0.13(0.09) |
| years of working | 0.13(0.11) | 0.13(0.12) | 0.09(0.11) |
| type of enterprise | −0.03(0.09) | 0.06(0.10) | 0.07(0.09) |
| scale of enterprise | 0.02(0.06) | 0.09(0.07) | 0.08(0.06) |
| Step 2 (independent variable) |
|
|
|
| POP | 0.42***(0.06) | 0.68***(0.07) | 0.55***(0.07) |
| Step 3 (mediation variable) |
|
|
|
| IMM |
|
| 0.30***(0.08) |
| F | 5.89*** | 25.71*** | 30.56*** |
| R2 | 0.26 | 0.60 | 0.67 |
| ΔR2 | 0.21*** | 0.58*** | 0.65*** |
| df | 279 | 279 | 278 |