TABLE 4.
Attribution of cause of pain for female respondents with chronic back pain (controls), stratified by age
| Cause of pain, n (%)
|
|||||||
|---|---|---|---|---|---|---|---|
| Age (years) | Motor vehicle accident | Insidious onset | Lifting | Fall | Sports | Other | Total for each age |
| 18 to 30 | 15 (44) | 8 (23) | 1 (3) | 3 (9) | 2 (6) | 5 (15) | 34 (100) |
| 31 to 40 | 8 (23) | 16 (47) | 2 (6) | 2 (6) | 1 (3) | 5 (15) | 34 (100) |
| 41 to 50 | 8 (28) | 9 (31) | 1 (3) | 0 (0) | 3 (10) | 8 (28) | 29 (100) |
| 51 to 60 | 2 (12) | 8 (47) | 3 (17) | 0 (0) | 2 (12) | 2 (12) | 17 (100) |
| 61 to 79 | 5 (33) | 8 (53) | 1 (7) | 0 (0) | 0 (0) | 1 (7) | 15 (100) |
| Total female controls | 38 (29) | 49 (38) | 8 (6) | 5 (3) | 8 (6) | 21 (18) | 129 (100) |