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Comparison of head injured and control participants at P4 [Mean(SD)].
| Control | Head injured | Statistics | |
|---|---|---|---|
| Age (years) | 63.33(2.79) | 63.42(2.94) | t(148)= 0.13, p = 0.89 |
| Education (years) | 15.22(2.33) | 14.88(2.36) | t(150) = −0.74, p = 0.45 |
| Pre-injury intelligence | 72.90(17.05) | 64.81(23.34) | t(134) = −1.54, p = 0.12 |
