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Changes over the 4 year course (Pair-wise comparisons)
| Baseline | 4 years later | t score | |
|---|---|---|---|
| SF36 Physical Health | 76.6 (18.9) | 76.6 (20.5) | 0.1 (ns) |
| SF36 Mental Health | 77.0 (16.5) | 77.3 (17.4) | 0.7 (ns) |
| Depression CES-D | 2.7 (2.7) | 2.7 (2.8) | 0.8 (ns) |
| Optimism | 17.7 (3.6) | 17.9 (3.5) | 3.0 (p<.004) |
| Exercise | 875 (838) | 942 (913) | 3.6 (p<.001) |
| Sum of pain symptoms | 4.27 (2.9) | 4.54 (3.1) | 4.6 (p<.0001) |
NOTE: The increase of pain symptoms is also found if the MOS pain score is used (p=0.05).
