Variables

n (%)

Disability (N = 37) n (%)

Crude OR

95% CI

p-value

Clinical factors

Injury severity

<0.001

Yes

48 (16.2)

15 (31.3)

4.7

2.2 - 9.9

No

249 (83.8)

22 (8.8)

1

Injury location

0.226

Head/neck

68 (22.9)

06 (8.8)

1

Upper limb

57 (19.2)

04 (7.0)

0.8

0.2 - 2.9

Thorax/abdomen

4 (1.3)

01 (25.0)

3.4

0.3 - 38.5

Lower limb

168 (56.6)

26 (15.5)

1.9

0.7 - 4.8

Hospitalization

<0.001

Yes

182 (61.3)

34 (18.7)

8.6

2.6 - 28.6

No

115 (38.7)

03 (2.6)

1

Road features and crash circumstances

Type of road

0.009

National interstate road

34 (11.5)

08 (23.5)

3.5

1.4 - 9.1

Rural track

12 (4.0)

02 (16.7)

2.3

0.5 - 11.4

National road

51 (17.2)

11 (21.6)

3.2

1.4 - 7.2

Alley

200 (67.3)

16 (8.0)

1

Pavement condition

0.529

Good

248 (83.5)

33 (13.1)

2.0

0.6 - 6.8

Poor

42 (14.1)

03 (7.1)

1

Under construction

7 (2.4)

01 (14.3)

2.2

0.2 - 24.4

Visibility

0.300

Acceptable

39 (13.1)

07 (18.0)

1.1

0.3 - 3.5

Good

216 (72.7)

23 (10.7)

0.6

0.2 - 1.5

Poor

42 (14.2)

07 (18.0)

1

Time of day

00 - 06 h

26 (8.7)

04 (15.4)

1

0.806

07 - 19 h

182 (61.3)

21 (11.5)

0.7

0.2 - 2.3

20 - 24 h

89 (30.0)

12 (13.5)

0.9

0.3 - 2.9

Reason for travel

0.458

Private

176 (59.3)

24 (13.6)

1

Work related

121 (40.7)

13 (10.7)

0.8

0.4 - 1.6

Referral and care conditions

Referral means

0.001

Ambulance

119 (40.1)

25 (21.0)

5.5

2.0 - 14.9

Motorbike

108 (36.3)

05 (4.6)

1

Private vehicle

70 (23.6)

07 (10.0)

2.3

0.7 - 7.5

Referral time

0.251

Less than one hour

81 (27.3)

13 (16.1)

1

More than one hour

216 (72.7)

24 (11.1)

0.7

0.3 - 1.4

Health worker status

0.599

Surgeon

66 (22.2)

05 (7.6)

1

General practitioner

92 (31.0)

13 (14.1)

2.0

0.7 - 5.9

Medical student

21 (7.1)

03 (14.3)

2.0

0.4 - 9.3

Nurse

118 (39.7)

16 (13.6)

1.9

0.7 - 5.5