Table 6 Partial association rule data with high confidence.
Rule ID | Antecedents | Consequents | Support/% | Confidence/% | Lift |
|---|---|---|---|---|---|
1 | Failure of safety protection devices on mechanical equipment & Unauthorized work without permits or work orders | Failure to conduct risk and hazard assessments before work | 12 | 88.23 | 1.78 |
2 | Improper safety procedures & Failure to correctly implement safety precautions or technical measures | Lack of on-site supervision | 16 | 86.96 | 1.70 |
3 | Failure of safety protection devices on mechanical equipment & Failure to implement or communicate safety measures | Failure to conduct risk and hazard assessments before work | 16 | 86.95 | 1.75 |
4 | Unauthorized expansion of the work scope & Unauthorized changes to construction plans | Blind organization of operations | 13.6 | 85 | 1.97 |
5 | Insufficient safe distances from live equipment & Failure to correctly implement safety precautions or technical measures | Lack of on-site supervision | 10.4 | 81.25 | 1.59 |