Table 1 Correlation analysis of NUM, AT, MT, ARH, AP, and AW, where the values represent correlation, and ***means that p-value is less than 0.01, that is, there is significant correlation between variables.
| Â | NUM | AT | MT | ARH | AP | AW |
|---|---|---|---|---|---|---|
NUM | 1.000 | Â | Â | Â | Â | Â |
AT | − 0.439*** | 1.000 |  |  |  |  |
MT | − 0.486*** | 0.950 | 1.000 |  |  |  |
ARH | 0.511*** | − 0.665 | − 0.632 | 1.000 |  |  |
AP | 0.597*** | − 0.271 | − 0.283 | 0.480 | 1.000 |  |
AW | 0.064 | − 0.354 | − 0.376 | − 0.127 | 0.099 | 1.000 |