Table 4.
Mean, standard deviation, and correlation coefficients of the variables.
| Variables | Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|---|
| 1. Coverage rate | 0.445 | 0.403 | 1 | |||||
| 2. Enterprise size | 1.491 | 0.746 | 0.151*** | 1 | ||||
| 3. Enterprise age | 9.266 | 5.292 | 0.251*** | 0.315*** | 1 | |||
| 4. Enterprise profit | 0.447 | 1.324 | 0.240*** | 0.474*** | 0.184*** | 1 | ||
| 5. Regional development level | 2.371 | 0.793 | 0.171*** | 0.052*** | 0.161*** | 0.052*** | 1 | |
| 6. Labor union | 0.497 | 0.500 | 0.281*** | 0.404*** | 0.353*** | 0.227*** | 0.080*** | 1 |
| 7. Workers’ congress | 0.319 | 0.466 | 0.172*** | 0.306*** | 0.211*** | 0.174*** | 0.037** | 0.447*** |
*p < 0.1, **p < 0.05, ***p < 0.001.