Prevalence of low back symptoms in the past year by age and sex
| Age | No. of subjects* | Low back pain % | Sciatica % | Troublesome low back pain % |
|---|---|---|---|---|
| *A few subjects did not answer all of the questions. | ||||
| †Includes three men and three women who were 64 years when the mailing list was assembled, but 65 when the questionnaire was completed. | ||||
| Men | ||||
| 16–24 | 323 | 43.3 | 4.0 | 17.8 |
| 25–34 | 1039 | 53.7 | 9.6 | 27.6 |
| 35–44 | 1148 | 54.4 | 13.8 | 34.2 |
| 45–54 | 1101 | 57.4 | 18.4 | 37.7 |
| 55–65† | 592 | 51.2 | 19.7 | 37.6 |
| Women | ||||
| 16–24 | 292 | 34.3 | 3.1 | 14.5 |
| 25–34 | 737 | 37.7 | 10.3 | 19.0 |
| 35–44 | 849 | 47.0 | 15.1 | 27.1 |
| 45–54 | 787 | 47.9 | 18.2 | 32.7 |
| 55–65† | 333 | 47.5 | 23.2 | 38.4 |