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Mean and standard deviation of half-width at time 1 and time 2
| Over 2 years | Time | N | Mean HW | SD | Sig. (two-tailed) |
|---|---|---|---|---|---|
| Better | Time 1 | 13 | 61.3 | 17.5 | 0.014 |
| Time 2 | 13 | 46.6 | 19.3 | ||
| Same | Time 1 | 76 | 48.9 | 16.5 | 0.023 |
| Time 2 | 76 | 45.2 | 14.3 | ||
| Worse | Time 1 | 16 | 55.9 | 19.2 | 0.446 |
| Time 2 | 16 | 60.8 | 12.6 |
Classification of change over 2 years based on self-rating scores. The change in HW was significant for the ‘better’ and the ‘same’ group but not the ‘worse’ group
