Table 3 Univariate regression count model: parameter estimation for injuries and deaths

Accident number

0.0485

(0.0451)

-0.0696

(0.0134)^a

0.0485

(0.0451)

-0.0792

(0.0447)

Fixed objects

-0.0172

(0.0857)

0.1838

(0.0262)^a

-0.0172

(0.0857)

0.2132

(0.0813)^a

Multiple-vehicle collision

0.1623

(0.0965)

0.3745

(0.0290)^a

0.1623

(0.0965)

0.3575

(0.0928)^a

Head-On Collision

-0.0565

(0.0606)

0.0978

(0.0183)^a

-0.0565

(0.0606)

0.0348

(0.0678)

Truck collision

-0.0605

(0.0734)

0.0699

(0.0221)^a

-0.0605

(0.0733)

0.1241

(0.0697)

vehicle collision

-0.0194

(0.0525)

0.1096

(0.0165)^a

-0.0194

(0.0525)

0.1221

(0.0520)^a

Motorcycle collision

-0.0264

(0.0582)

0.1614

(0.0177)^a

-0.0264

(0.0582)

0.1747

(0.0569)^a

Pedestrian

-0.1912

(0.0705)^a

-0.0034

(0.0199)

-0.1912

(0.0705)^a

0.0461

(0.0623)

Vehicle Rollover

-0.0424

(0.0445)

0.1217

(0.0128)^a

-0.0424

(0.0445)

0.1293

(0.0435)^a

Other type of accidents

0.0195

(0.0620)

0.1063

(0.0173)^a

0.0195

(0.0620)

0.1194

(0.0620)

turn left without using the turn signal

0.0413

(0.0244)

-0.0104

(0.0077)

0.0414

(0.0245)

-0.0122

(0.0291)

Over-speeding

-0.0081

(0.0317)

-0.0387

(0.0091)^a

-0.0816

(0.0317)

-0.0152

(0.0272)

Passing without signaling

-0.0495

(0.0787)

-0.0652

(0.0249)^a

-0.0496

(0.0787)

-0.1660

(0.0843)^a

Lack of attention to the front

0.1044

(0.0259)^a

0.0195

(0.0081)^a

0.1044

(0.0259)^a

-0.0092

(0.0266)

neglect of the right of priority

0.1589

(0.0498)^a

0.0195

(0.049)

0.1588

(0.0498)^a

0.0332

(0.0491)

transverse distance

-0.1391

(0.1275)

-0.1055

(0.0367)^a

-0.1391

(0.1275)

-0.1807

(0.113)

Breaking traffic rules

-0.1966

(0.0611)^a

-0.1417

(0.017)^a

-0.1967

(0.0612)^a

-0.1058

(0.0593)