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Table 1 Prognostic indicators
| Prognostic indicators | Index Group (n = 206) | Control Group (n = 203) |
|---|---|---|
| Mean age (SD), years | 46 (11) | 48 (10) |
| Women, % | 74 | 68 |
| Location of the worst pain, % | ||
| Neck | 56 | 61 |
| Back | 36 | 34 |
| Neck and back | 8 | 5 |
| Duration of pain, % | ||
| <3 months | 22 | 29 |
| 3-12 months | 20 | 18 |
| >12 months | 58 | 54 |
| Previous episodes of current pain in back and/or neck, % | 88 | 85 |
| Pain or trouble from five body regions or more, % | 67 | 56* |
| Education, at least, % | ||
| 1-9 years | 13 | 11 |
| 10-12 years | 34 | 34 |
| 13-16 years | 45 | 47 |
| >16 years | 8 | 8 |
| Depression, % | 22 | 24 |
| Sleeping problems, % | 26 | 29 |
| Daily smoking, % | 15 | 13 |
| Physical training medium high or high effort at least 20 minutes each time, % | ||
| Never | 38 | 28* |
| 1-2 times/week | 21 | 33* |
| >3 times/week | 41 | 39 |
| Obesity, % | 10 | 15 |
| On sick leave now due to back/neck pain, % | 3 | 5 |
| Mean number of days absent from work the preceding 6 months (SD) | 3 (17) | 4 (20) |
| Physical demands at work, % | 39 | 35 |
| Job strain†, % | 22 | 15 |
| Bullying from superiors or workmates, % | 13 | 14 |
| Life events (> = 2) the preceding five years, % | 81 | 75 |
