Frequency of symptoms after the collision at baseline and at followup (men = 406, women = 599). Data in bold type denote that differences in frequency between having current symptoms at baseline and symptoms at followup are significant (p < 0.01).
| Symptoms After the Collision | Baseline* Have/Had Symptoms (yes/no), n (%) | Baseline* Currently Have Symptoms (yes/no), n (%) | Followup* Have Symptoms (yes/no), n (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Men | Women | p | Men | Women | p | Men | Women | p | |
| Neck pain | 399 (98.3) | 595 (99.3) | NS | 329 (81.4) | 505 (84.7) | NS | 178 (44.0) | 269 (45.0) | NS |
| Headache | 247 (61.0) | 414 (69.3) | NS | 180 (44.6) | 320 (53.6) | 0.006 | 107 (26.5) | 171 (28.6) | NS |
| Low back pain | 145 (35.9) | 216 (36.1) | NS | 129 (31.9) | 183 (30.7) | NS | 82 (20.2) | 108 (18.2) | NS |
| Reduced cervical range of motion | 338 (83.9) | 513 (86.2) | NS | 287 (71.2) | 437 (73.2) | NS | 155 (38.2) | 244 (40.8) | NS |
| Numbness/tingling in arm/hand | 88 (21.9) | 202 (33.9) | 0.000 | 72 (17.9) | 163 (27.3) | 0.001 | 85 (21.0) | 143 (24.0) | NS |
| Numbness/tingling in leg/foot | 24 (6.0) | 42 (7.0) | NS | 21 (5.2) | 38 (6.4) | NS | 38 (9.4) | 43 (7.2) | NS |
| Ringing in ears | 48 (11.9) | 83 (13.9) | NS | 42 (10.4) | 62 (10.4) | NS | 54 (13.3) | 71 (11.9) | NS |
| Memory problems | 30 (7.5) | 84 (14.1) | 0.001 | 27 (6.7) | 72 (12.1) | 0.005 | 51 (12.6) | 82 (13.8) | NS |
| Concentration problems | 77 (19.2) | 156 (26.3) | 0.009 | 59 (14.6) | 129 (21.6) | 0.006 | 72 (17.8) | 110 (18.5) | NS |
| Dizziness | 70 (17.4) | 177 (29.7) | 0.000 | 55 (13.6) | 133 (22.3) | 0.001 | 53 (13.1) | 118 (19.9) | 0.006 |
↵* Total number differs due to missing data.