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Back pain reporting and qualification in the study course.
| % of Patients | Baselineb | 3 monthsc | 6 monthsc | 12 monthsc | 18 monthsc |
|---|---|---|---|---|---|
| Reporting back pain (BP) | 93.2% | 84.6% | 77.8% | 66.4% | 64.2% |
| BP every/almost every day | 39.9% | 7.5% | 3.9% | 2.5% | 2.2% |
| Moderate or severe BP | 89.9% | 69.4% | 50.7% | 42.4% | 32.4% |
| Moderate or severe limitation of activities | 62.3% | 36.7% | 24.0% | 18.3% | 14.8% |
b During the last 12 months.
c During the last month.
