Parameter

Odds Ratio

Confidence Limits

5%

95%

Constant

3.998

2.568

6.222

Pavement Friction

0.979

0.974

0.984

Location: Urban

0.686

0.478

0.985

Non-Daylight conditions

0.719

0.640

0.806

Adverse weather conditions

0.804

0.703

0.917

CMV involvement

0.384

0.305

0.480

Driver Age

0.989

0.987

0.992

Speeding

1.270

1.103

1.463