| Cause of pain |
No trauma history (N=18) |
Trauma history (N=115) |
> 10 txs (N=38) |
≤ 10 txs (N=95) |
| Auto accident |
|
30 |
11 |
19 |
| Repetitive stress injury |
|
23 |
8 |
15 |
| Falls |
|
16 |
3 |
13 |
| Sports |
|
11 |
1 |
10 |
| Lifting |
|
11 |
2 |
9 |
| Failed back or neck surgery |
|
10 |
4 |
6 |
| Spinal stenosis |
|
14 |
4 |
10 |
| Others |
18 |
|
5 |
13 |
|