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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