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Table 1 Participant Characteristics at baseline

From: Changing insurance company claims handling processes improves some outcomes for people injured in road traffic crashes

 

Total

(n = 186)

Control group

(n = 63)

Intervention group (n = 123)

Test statistic

Age mean (SD)

 

46.5 (18.7)

44.2 (15.8)

T-test, p = 0.38

Male gender n (%)

63 (34)

21 (33)

42 (34)

F-test p = 1.00

BMI

 

26.8 (5.9)

25.0 (4.0)

T-test, p = 0.05

Smoking n (%)

14 (7)

4 (6)

10 (8)

F-test, p = 0.78

Pre-injury general health being very good or excellent n (%)

147 (79)

47 (75)

100 (81)

F-test, p = 0.34

Educational Level n (%)

   

X2, p = 0.31

Postgraduate degree/graduate diploma/bachelor degree

60 (32)

18 (29)

42(34)

 

Advanced diploma/certificate

63 (33)

19 (30)

44 (36)

 

Primary/Secondary education

63(33)

26 (41)

37 (30)

 

Pre-injury employment Status n (%)*

   

F-test, p = 0.61

Employed

130 (70)

42 (68)

88 (72)

 

Unemployed

54 (30)

20 (33)

34 (28)

 

Injury Category n (%)

   

X2 p = 0.52

WAD

108 (58)

35 (56)

73 (60)

 

STI multiple

23(12)

8 (13)

15 (12)

 

STI single

12 (7)

5 (8)

7 (6)

 

Orthopaedic

20(10)

6 (10)

14 (11)

 

Joints

9(5)

4 (6)

5 (5)

 

Other

13 (9)

5 (9)

8 (7)

 

Number of Injuries mean (SD)

2.5 (1.8)

2.6 (1.7)

2.5(1.9)

T-test p = 0.86

Injury severity MAIS mean (SD)

1.8 (2.4)

2.1 (2.7

1.7 (2.2)

T-test p= 0.39

  1. STI soft tissue injury, WAD whiplash associated disorder
  2. *Data missing for two participants