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Correlation analysis results of workload and its dimensions and miners’ unsafe state.
| Variable | Miners’ unsafe state | ||
|---|---|---|---|
| Pearson correlation | P | N | |
| Workload | 0.587* | 0.019 | 307 |
| Work time | 0.118* | 0.039 | 307 |
| Work demand | 0.560** | 0.000 | 307 |
p represents the significance value. *represents a significant level at p < 0.05. **represents a significant level at p < 0.01. N represents the sample size.
