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Table 1 Study characteristics of participants (n = 364) stratified by claim closure status

From: Predictors of time to claim closure following a non-catastrophic injury sustained in a motor vehicle crash: a prospective cohort study

  Time to claim closure
Parametersa 0–12 months > 12–24 months > 24 months
  n = 195 (54 %) n = 61 (17 %) n = 108 (30 %)
Age 46.0 (17.8) 44.8 (15.0) 44.4 (15.5)
Sex    
 Male (n = 135) 75 (39 %) 24 (39 %) 36 (33 %)
 Female (n = 229) 120 (62 %) 37 (61 %) 72 (67 %)
Country of birth    
 Australia (n = 236) 122 (63 %) 40 (66 %) 74 (69 %)
 Other (n = 128) 73 (37 %) 21 (34 %) 34 (32 %)
Education    
 Not tertiary qualified (n = 168) 88 (45 %) 29 (48 %) 51 (48 %)
 Tertiary qualified (n = 195) 107 (55 %) 32 (53 %) 56 (52 %)
Marital status    
 Single (n = 150) 79 (41 %) 24 (39 %) 47 (44 %)
 Married (n = 213) 115 (59 %) 37 (61 %) 61 (57 %)
Pre-injury paid work status    
 Unemployed (n = 137) 74 (38 %) 25 (41 %) 38 (35 %)
 Employed (n = 227) 121 (62 %) 36 (59 %) 70 (65 %)
Body mass index    
 Underweight/Normal (n = 157) 100 (51 %) 17 (28 %) 40 (37 %)
 Overweight/obese (n = 207) 95 (49 %) 44 (72 %) 68 (63 %)
Smoking    
 No (n = 213) 116 (60 %) 32 (53 %) 65 (60 %)
 Yes (n = 149) 78 (40 %) 28 (47 %) 43 (40 %)
Pre-injury health status    
 Fair/poor (n = 23) 15 (8 %) 3 (5 %) 5 (5 %)
 Good/very good/excellent (n = 341) 180 (92 %) 58 (95 %) 103 (95 %)
Pre-injury chronic illness    
 No (n = 218) 121 (63 %) 37 (61 %) 60 (56 %)
 Yes (n = 146) 74 (38 %) 24 (39 %) 48 (44 %)
Pre-injury chronic pain    
 No (n = 311) 169 (87 %) 50 (82 %) 92 (85 %)
 Yes (n = 53) 26 (13 %) 11 (18 %) 16 (15 %)
New injury severity scale    
 Mild (n = 310) 179 (92 %) 47 (77 %) 84 (78 %)
 Moderate (n = 54) 16 (8 %) 14 (23 %) 24 (22 %)
Admitted to hospital (≥ 1 night)    
 No (n = 295) 164 (84 %) 50 (82 %) 81 (75 %)
 Yes (n = 69) 31 (16 %) 11 (18 %) 27 (25 %)
Whiplash (due to the car crash)    
 No (n = 139) 84 (43 %) 18 (30 %) 37 (35 %)
 Yes (n = 224) 111 (57 %) 43 (71 %) 70 (65 %)
Fracture (due to the car crash)    
 No (n = 333) 188 (96 %) 51 (84 %) 94 (88 %)
 Yes (n = 30) 7 (4 %) 10 (16 %) 13 (12 %)
OMPSQ score (per 1-unit) 33.3 (23.9) 54.2 (20.1) 55.4 (21.0)
PRSS-catastrophizing score (per 1-unit) 0.7 (1.1) 1.6 (1.3) 1.9 (1.4)
SF-12 PCS (per 1-unit) 41.0 (11.6) 32.2 (8.8) 31.4 (9.2)
SF-12 MCS (per 1-unit) 48.7 (10.4) 46.5 (10.7) 42.8 (12.1)
EQ-5D VAS (per 1-unit) 72.1 (19.8) 60.9 (23.8) 57.0 (21.6)
Lawyer involvement    
 No (n = 258) 184 (94 %) 33 (54 %) 41 (38 %)
 Yes (n = 106) 11 (6 %) 28 (46 %) 67 (62 %)
Previous claim    
 No (n = 252) 138 (71 %) 40 (66 %) 74 (69 %)
 Yes (n = 111) 56 (29 %) 21 (34 %) 34 (32 %)
  1. Pain-Related Self-Statements Scale-Catastrophizing (PRSS) score; OMPSQ short-form orebro musculoskeletal pain screening questionnaire, PCS physical component score, MCS mental component score, VAS visual analogue scale
  2. aAll parameters are those that are measured at baseline (within 3 months of sustaining the injury), except for lawyer involvement which was assessed throughout the study period