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Table 4 Driving Career – Continuous Variables

From: Experience of road and other trauma by the opiate dependent patient: a survey report

Condition

SUD

N-SUD

U

Z

P-level*

Age Commence't Driving

16.52 (4.34)

17.96 (6.33)

12336.50

-2.087

0.0369

No. Years Driving

15.96 (8.50)

25.54 (15.03)

10821.00

-3.643

0.0003

No. Years Lost Licence

1.71 (3.60)

0.11 (0.31)

7404.50

8.225

0.0000

No. MBA's

0.83 (2.96)

0.22 (0.91)

12125.00

3.423

0.0006

No. MVA's

2.00 (3.30)

1.10 (1.32)

11734.00

2.592

0.0096

Date of Last Crash†

18/10/95 (18)

4/4/1994 (95)

3193.000

4.984

0.0000

No. Cars Hit

1.22 (2.78)

0.53 (0.85)

11844.00

2.787

0.0053

No. Cars Repaired

1.73 (3.59)

1.08 (1.60)

12982.50

1.431

0.1525

No. Cars Written Off

0.99 (2.46)

0.24 (0.53)

10414.00

4.937

0.0000

No. Killed

0.08 (0.49)

0.00 (0.00)

13624.00

2.225

0.0261

  1. Data listed as mean (± S.D.).
  2. * – Mann-Whitney U-Test
  3. † – The format of dates is dd/mm/yyyy. The number is brackets refers to days as the S.D.
  4. Abbreviations: MBA – motor bike accident; MVA – motor vehicle accident.