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| Age (years) | Career (months) | Month since having LBP | |
|---|---|---|---|
| Non LBP | 25.6 ± 6.2* | 14.7 ± 8.7* | |
| LBP | 36.7 ± 10.4 | 25.2 ± 13.7 | 55.8 ± 67.6 |
| Before employedAfter employed | 44.0 ± 5.3 | 32.0 ± 10.7 | 138.0 ± 57.7 |
| After employed | 33.0 ± 10.4 | 21.8 ± 14.1 | 14.8 ± 6.4 |
Significant difference between LBP and non LBP (p<0.01). (mean ± S.D.)
