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Table 1 Comparison of characteristics of participants who did (respondents) versus those who did not (non-respondents) complete health literacy questions based on data collected at baseline or the first study wave

From: Health literacy and recovery following a non-catastrophic road traffic injury

  Non-respondents
(n = 1526)
Respondents
(n = 493)
P value Subgroup
p value
Age, years
 17–24 307 (20.1) 80 (16.2) 0.002 0.055
 25–44 646 (42.4) 184 (37.3) 0.047
 45–59 377 (24.7) 134 (27.2) 0.3
 60–69 109 (7.2) 52 (10.6) 0.02
 70+ 85 (5.6) 43 (8.7) 0.02
Male gender 989 (64.8) 316 (64.1) 0.77  
Marital status    < 0.0001  
 Divorced, widowed or separated 132 (8.7) 72 (14.6) 0.0001
 Married or defacto 742 (48.7) 272 (55.3) 0.01
 Never married 651 (42.7) 148 (30.1)   < 0.0001
Educational level    0.15  
 Primary or pre-primary 106 (7.0) 20 (4.1)  
 Secondary 461 (30.3) 153 (31.0)  
 Technical/ other further education 367 (24.1) 121 (24.5)  
 Tertiary or university 1168 (76.5) 365 (74.0)   
Pre-injury paid work or self-employment 54 (65.1) 311 (76.0) 0.25  
Injury severity score
 12+ 60 (3.9) 21 (4.3)   
 9–11 96 (6.3) 34 (6.9) 0.22  
 4–8 541 (35.5) 197 (40.0)   
 1–3 829 (54.3) 241 (48.9)   
Pre-injury disability* 476 (31.2) 161 (32.8) 0.52  
Pre-injury comorbidity 663 (43.5) 272 (55.2) < 0.0001  
Lodging CTP claim 349 (22.9) 155 (31.4) 0.0002  
Pain severity ratings 4.3 (2.7) 4.2 (2.7) 0.63  
Total DASS-21 score 13.0 (15.4) 12.1 (14.3) 0.25  
Total IES-R scores 3.7 (3.2) 3.5 (3.0) 0.14  
Pain catastrophizing Scale scores 14.1 (14.0) 13.1 (13.7) 0.18  
Hospital stay > 12 hours 750 (49.2) 275 (55.8) 0.01  
Perceived sense of danger/death    0.06  
 Overwhelming 161 (10.8) 46 (9.5)  
 Great 223 (14.9) 90 (18.5)  
 Moderate 293 (19.6) 98 (20.1)  
 Small 282 (18.9) 107 (22.0)  
 None 534 (35.8) 146 (30.0)  
Pre-injury psychological conditions 357 (23.4) 133 (27.0) 0.11  
Type of road user
 Car driver 539 (35.3) 184 (37.5)   0.4
 Car passenger 155 (10.2) 49 (10.0) < 0.0001 0.9
 Motorbike 445 (29.2) 183 (37.3)   0.0007
 Cyclist 256 (16.8) 43 (8.8)   < 0.0001
 Pedestrian/skateboard 131 (8.6) 32 (6.5)   0.14
Social satisfaction
 Dissatisfied 48 (3.2) 7 (1.4)   0.04
 Neither 106 (7.0) 24 (4.9) 0.02 0.1
 Satisfied 1370 (75.6) 389 (93.7)   0.01