Table 4 bivariate count regression modes:l parameter estimation for injuries and deaths

Accident number

0.089

(0.048)

0.1195

(0.0129)^a

0.2327

(0.1825)

1.0879

(0.5946)

0.4777

(0.1179)

-0.1385

(0.4224)

Fixed objects

0.0535

(0.0916)

-0.1666

(0.0259)^a

-0.4258

(0.3297)

-0.2979

(1.0742)

0.2615

(0.1168)

0.3861

(0.2872)

Multiple-vehicle collision

0.2588

(0.1030)^a

0.0433

(0.0273)

0.2596

(0.3807)

-1.1074

(1.2403)

0.0202

(0.1567)

0.1491

(0.1116)

Head-On Collision

0.0886

(0.0637)

0.1677

(0.0173)^a

0.2323

(0.2789)

0.2515

(0.9089)

-0.7134

(0.3658)

0.6766

(0.1839)

Truck collision

-0.0881

(0.0796)

-0.1365

(0.0224)^a

0.0076

(0.2854)

1.6612

(0.9298)

-0.3457

(0.2889)

0.2850

(0.0456)

vehicle collision

0.0619

(0.0553)

0.1577

(0.0158)^a

-0.0567

(0.2116)

1.9764

(0.6894)^a

-0.3288

(0.1263)

0.3495

(0.3348)^a

Motorcycle collision

0.035

(0.0617)

0.1799

(0.0172)^a

0.3681

(0.2309)

0.5088

(0.7525)

0.8051

(0.4824)^a

0.3131

(0.5022)

Pedestrian

0.256

(0.0763)^a

0.2041

(0.0197)^a

0.6339

(0.2518)^a

1.6878

(0.8206)

-0.8117

(0.0716)

-0.7549

(0.369)

Vehicle Rollover

0.0629

(0.0474)

0.1335

(0.0116)^a

0.2855

(0.1775)

0.8541

(0.5784)

0.6751

(0.0545)

0.386

(0.4372)

Other type of accidents

0.0039

(0.0656)

0.0526

(0.0165)^a

0.085

(0.2551)

0.5196

(0.8312)

-0.6574

(0.2267)

0.6502

(0.4032)

turn left without using the turn signal

0.0476

(0.0255)

0.0796

(0.0077)^a

0.3664

(0.1212)^a

1.2507

(0.3948)^a

0.8269

(0.2394)^a

0.7106

(0.2114)^a

Over-speeding

0.0409

(0.0336)

0.0247

(0.0093)^a

0.1165

(0.1098)

0.2509

(0.358)

0.9842

(0.0294)

0.3647

(0.1418)

Passing without signaling

-0.8884

(0.0842)

0.0067

(0.0240)

-0.0233

(0.358)

1.1216

(1.1664)

-0.5923

(0.1172)

0.6367

(0.2496)

Lack of attention to the front

0.1324

(0.0272)^a

0.099

(0.0077)^a

0.3196

(0.1092)^a

0.6132

(0.3559)

-0.1372

(0.0598)

0.7405

(0.1345)

neglect of the right of priority

-0.1869

(0.0530)

-0.1832

(0.0148)^a

0.6628

(0.1991)^a

0.9063

(0.6489)

-0.0981

(0.0522)

0.9309

(0.1579)^a

transverse distance

-0.0768

(0.135)

0.1077

(0.0344)

0.4208

(0.458)

-0.3148

(1.4921)

0.5975

(0.1079)

0.1234

(0.1693)

Breaking traffic rules

-0.2212

(0.0641)^a

0.0623

(0.0174)^a

0.2463

(0.2395)

1.8660

(0.7805)

0.5125

(0.4309)

0.3545

(0.0066)