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Table 1 Characteristics of study population

From: Health care utilization and health-related quality of life of injury patients: comparison of educational groups

Characteristic Total
(n = 2606)
Educational level p-value
Low
(n = 1249, 47.9%)
Middle
(n = 635, 24.4%)
High
(n = 722, 27.7%)
Sex: Female, n (%) 1459 (56.0) 805 (64.5) 300 (47.2) 354 (49.0) < 0.001
Age, mean (SD) 63.7 (15.5) 69.4 (12.9) 58.8 (15.6) 58.2 (16.2) < 0.001
Comorbidity, n chronic conditions (%)a
 No 1372 (52.6) 576 (46.1) 357 (56.2) 438 (60.7) < 0.001
 One 725 (27.8) 356 (28.5) 181 (28.5) 188 (26.0) 0.454
 More than one 437 (16.8) 272 (21.8) 84 (13.2) 81 (11.2) < 0.001
Marital status: living with partner, n (%)b 1774 (68.1) 782 (62.6) 460 (72.4) 532 (73.7) < 0.001
Cause of injury
 Home and leisure 1542 (59.2) 826 (66.1) 335 (52.8) 381 (52.8) < 0.001
 Traffic 650 (24.9) 293 (23.5) 165 (26.0) 192 (26.6) 0.236
 Sport 257 (9.9) 48 (3.8) 79 (12.4) 130 (18.0) < 0.001
 Occupational 157 (6.0) 82 (6.6) 56 (8.8) 19 (2.6) < 0.001
Type of injury, n (%)
 Mild TBI 201 (7.7) 86 (6.9) 51 (8.0) 64 (8.9) 0.268
 Severe TBI 102 (3.9) 50 (4.0) 20 (3.1) 32 (4.4) 0.466
 Other head or facial 211 (8.1) 92 (7.4) 54 (8.5) 65 (9.0) 0.779
 Spinal cord injury 167 (6.4) 77 (6.2) 46 (7.2) 44 (6.1) 0.612
 Rib fracture 98 (3.8) 46 (3.7) 30 (4.7) 22 (3.0) 0.264
 Other thoracic injury 101 (3.9) 51 (4.1) 26 (4.1) 24 (3.3) 0.665
 Fracture upper extremity 482 (18.5) 234 (18.7) 110 (17.3) 138 (19.1) 0.667
 Other injury upper extremity 267 (10.2) 103 (8.2) 74 (11.7) 90 (12.5) 0.005
 Pelvic injury 66 (2.5) 41 (3.3) 11 (1.7) 14 (1.9) 0.063
 Hip fracture 265 (10.2) 158 (12.7) 58 (9.1) 49 (6.8) < 0.001
 Fracture of lower extremity 368 (14.1) 192 (15.4) 85 (13.4) 91 (12.6) 0.195
 Other injury of lower extremity 244 (9.4) 106 (8.5) 61 (9.6) 77 (10.7) 0.270
 Other 34 (1.3) 13 (1.0) 9 (1.4) 12 (1.7) 0.483
Hospitalized, n (%)c 1260 (49.7) 668 (55.5) 288 (46.8) 304 (43.2) < 0.001
Hospital length of stay, mean (SD)d 5.6 (5.2) 6.1 (5.2) 4.9 (4.2) 5.0 (5.8) < 0.001
  1. Abbreviations: SD standard deviation, TBI traumatic brain injury
  2. a73 missing values (2.8%)
  3. b16 missing values (0.6%)
  4. c73 missing values (2.8%)
  5. dPatients with no contact not included