From: Situational crime prevention and worldwide piracy: a cross-continent analysis
Variables | Odds ratio [Exp(B)] | SE | z | p | 95% CI for Exp (B) | |
---|---|---|---|---|---|---|
Lower | Upper | |||||
Increased risk | ||||||
 Alarm raised | 4.33 | 0.74 | 8.60 | 0.00 | 3.10 | 6.04 |
 Watchman present | 1.84 | 0.30 | 3.72 | 0.00 | 1.33 | 2.53 |
 Anti-piracy watch | 1.24 | 0.31 | 0.85 | 0.40 | 0.75 | 2.03 |
 Private security | 9.23 | 3.85 | 5.33 | 0.00 | 4.07 | 20.90 |
 Increased lighting | 8.77 | 4.90 | 3.88 | 0.00 | 2.92 | 26.24 |
Increased effort | ||||||
 Evasive maneuvers | 26.81 | 20.26 | 4.35 | 0.00 | 6.10 | 117.92 |
 Crew mustered | 1.76 | 0.32 | 3.11 | 0.00 | 1.23 | 2.52 |
Controla | ||||||
 00:00–05:59 | 1.04 | 0.18 | 0.22 | 0.83 | 0.74 | 1.47 |
 06:00–11:59 | 2.01 | 0.53 | 2.64 | 0.01 | 1.20 | 3.38 |
 12:00–17:59 | 0.99 | 0.29 | −0.03 | 0.98 | 0.55 | 1.77 |
Weapons present | 0.24 | 0.04 | −9.31 | 0.00 | 0.18 | 0.33 |
Vessel status | 2.05 | 0.38 | 3.87 | 0.00 | 1.42 | 2.95 |
Vessel type | 0.94 | 0.15 | −0.42 | 0.67 | 0.68 | 1.29 |
 1 Qtr. | 1.50 | 0.30 | 2.02 | 0.04 | 1.01 | 2.23 |
 2 Qtr. | 1.02 | 0.21 | 0.12 | 0.91 | 0.69 | 1.52 |
 3 Qtr. | 1.06 | 0.21 | 0.27 | 0.78 | 0.71 | 1.57 |
Number of pirates | 0.97 | 0.02 | −1.91 | 0.06 | 0.94 | 1.00 |
Year | 0.90 | 0.02 | −5.32 | 0.00 | 0.87 | 0.94 |
Model | ||||||
 Constant | 4.42e+88 | 1.70e+90 | 5.31 | 0.00 | 8.50e+55 | 2.3e+121 |
 Log likelihood | −618.86 | |||||
 Wald χ² (p) | 269.59 (0.00) |