| Environment | Equipment | Labor | Material | Management | |||
| Kendall’s tau_b | Environment | Correlation Coefficient | 1 | 0.285** | 0.626** | 0.754** | 0.369** |
| Sig. (1-tailed) | . | 0 | 0 | 0 | 0 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Equipment | Correlation Coefficient | 0.285** | 1 | 0.320** | 0.190** | 0.048 | |
| Sig. (1-tailed) | 0 | . | 0 | 0.004 | 0.262 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Kendall’s tau_b | Labor | Correlation Coefficient | 0.626** | 0.320** | 1 | 0.630** | 0.141* |
| Sig. (1-tailed) | 0 | 0 | . | 0 | 0.026 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Material | Correlation Coefficient | 0.754** | 0.190** | 0.630** | 1 | 0.242** | |
| Sig. (1-tailed) | 0 | 0.004 | 0 | . | 0 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Management | Correlation Coefficient | 0.369** | 0.048 | 0.141* | 0.242** | 1 | |
| Sig. (1-tailed) | 0 | 0.262 | 0.026 | 0 | . | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Spearman’s rho | Environment | Correlation Coefficient | 1 | 0.362** | 0.771** | 0.882** | 0.488** |
| Sig. (1-tailed) | . | 0 | 0 | 0 | 0 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Equipment | Correlation Coefficient | 0.362** | 1 | 0.393** | 0.228** | 0.078 | |
| Sig. (1-tailed) | 0 | . | 0 | 0.008 | 0.208 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Labor | Correlation Coefficient | 0.771** | 0.393** | 1 | 0.762** | 0.254** | |
| Sig. (1-tailed) | 0 | 0 | . | 0 | 0.004 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Material | Correlation Coefficient | 0.882** | 0.228** | 0.762** | 1 | 0.402** | |
| Sig. (1-tailed) | 0 | 0.008 | 0 | . | 0 | ||
| N | 110 | 110 | 110 | 110 | 110 | ||
| Management | Correlation Coefficient | 0.488** | 0.078 | 0.254** | 0.402** | 1 | |
| Sig. (1-tailed) | 0 | 0.208 | 0.004 | 0 | . | ||
| N | 110 | 110 | 110 | 110 | 110 | ||