| | LHS | RHS | Itemset | α | β | Lift |
| | {Cause: drowsy, Segment: mainline, Time: t12–17} | {Weather: fine} | 4-itemset | 0.0258 | 0.8466 | 1.3941 | | {Cause: drowsy, Horizontal alignment: straight, Time: t12–17} | 4-itemset | 0.0235 | 0.8312 | 1.3688 | | {Cause: poor loading} | 2-itemset | 0.0214 | 0.8124 | 1.3378 | | {Crash type: vehicle- vehicle, Horizontal alignment: straight, Number of vehicles: multi-vehicle involved, Time: t12–17, Vertical alignment: no slope} | 6-itemset | 0.0226 | 0.8117 | 1.3367 | | {Cause: drowsy, Driver age: 20s} | 3-itemset | 0.0241 | 0.8024 | 1.3215 |
| | {Cause: over-speeding, Month: JULY} | {Weather: rainy} | 3-itemset | 0.0213 | 0.7879 | 4.3533 | | {Cause: over-speeding, Crash type: vehicle-facility, Number of vehicles: single, Segment: mainline, Vehicle weight: >3.5 t and<8.5 t, Vehicle type: cargo truck} | 6-itemset | 0.0210 | 0.7648 | 4.2256 | | {Cause: over-speeding, Crash type: vehicle -facility, Number of vehicles: single, Segment: mainline, Vehicle weight: >3.5 t and<8.5 t} | 6-itemset | 0.0281 | 0.7535 | 4.1632 | | {Cause: over-speeding, Crash type: vehicle -facility, Segment: mainline, Vehicle weight: >3.5 t and<8.5 t, Vehicle type: cargo truck} | 6-itemset | 0.0230 | 0.7526 | 4.1580 | | {Cause: over-speeding, Crash type: vehicle -facility, Horizontal alignment: straight, Number of vehicles: single, Vehicle weight: >3.5 t and<8.5 t} | 6-itemset | 0.0246 | 0.7301 | 4.0338 |
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