Variable

I-70 training data

I-70 testing data

Odd ratio

Std. error

p-value

Odd ratio

Std. error

p-value

Crash severity: Case 1: Minor Injury relative to base level (property damage)

MONTH

1.015594

0.0121626

0.196

1.098245

0.0187836

0.326

DAY_WEEK

0.9868066

0.0201894

0.516

0.9911457

0.0322842

0.421

HOUR

1.002493

0.0069472

0.719

1.017365

0.0112121

0.118

NO_VEHICLE

2.013444

0.1528305

0.000

1.603548

0.1673633

0.000

DIRECTION

1.001714

0.204671

0.993

1.299179

0.4009112

0.396

LIGHT_COND

1.018658

0.0539375

0.727

1.079072

0.0817907

0.800

ACC_TYPE

0.7646827

0.0322156

0.000

0.827777

0.0512309

0.002

DR_DRINK

0.4393219

0.0827939

0.000

0.4566945

0.1487597

0.016

SPEED

0.7628727

0.0832404

0.013

0.7331396

0.1258309

0.021

CZONE

0.8728007

0.1914342

0.882

0.8306115

0.4002926

0.384

DR_AGGRESSIVE

0.6820784

0.1231692

0.044

0.6812309

0.1762853

0.046

CELL_TEXT

0.5149235

0.1742725

0.049

0.3814188

0.2081773

0.047

DR_AGE

1.037926

0.3769126

0.158

1.078291

0.2189271

0.183

VEH_TYPE

0.8286522

0.1593428

0.462

0.857681

0.1783352

0.413

RURAL_URBAN

1.21414

0.1662723

0.157

1.194506

0.2581555

0.411

NUMBER_ LANES

1.043295

0.0714342

0.536

1.009117

0.1109496

0.081

AADT

1.000573

0.0018531

0.757

1.000707

0.0028542

0.804

GRADE_LEVEL

0.9969032

0.2049085

0.988

0.9728124

0.3983592

0.425

CONSTANT

0.504704

0.3106637

0.267

0.3146406

0.3145004

0.247

Crash severity: Case 2: Disabled relative to base level (property damage)

MONTH

1.04566

0.0294898

0.113

1.052662

0.044181

0.221

DAY_WEEK

0.9849045

0.055887

0.004

0.9713375

0.0714767

0.019

HOUR

1.0907501

0.0153366

0.548

1.0921144

0.0225957

0.067

NO_VEHICLE

2.325778

0.346116

0.000

1.303495

0.3296267

0.029

DIRECTION

1.0244691

0.102775

0.141

1.0231048

0.7614965

0.314

LIGHT_COND

1.0325387

0.1239202

0.836

1.0277047

0.2202536

0.156

ACC_TYPE

0.77145632

0.061105

0.000

0.79145609

0.1310232

0.006

DR_DRINK

0.1758408

0.0543585

0.000

0.2855924

0.1548372

0.021

SPEED

0.6718398

0.1729933

0.122

0.5888928

0.2284686

0.172

CZONE

0.8159377

0.5622705

0.760

0.81661143

0.3387404

0.375

DR_AGGRESSIVE

0.79283284

0.3286617

0.251

0.72908047

0.4614627

0.475

CELL_TEXT

0.6839739

0.518411

0.016

0.6161388

0.1346915

0.029

DR_AGE

1.098286

0.482946

0.243

1.08442

0.4398022

0.283

VEH_TYPE

0.7338291

0.172765

0.389

0.672993

0.1798307

0.317

RURAL_URBAN

1.154855

0.3503854

0.635

1.1281573

0.4360739

0.274