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Demographics.
| Low performers | Medium performers | High performers | |
|---|---|---|---|
| Age | 81.2 (6.2)* | 78.8 (5.3) | 75.3 (5.5) |
| Education | 2.5 (1.43) | 3.0 (1.20) | 3.79 (1.15)§ |
| SLUMS score | 13.95 (4.4)‡ | 22.81 (4.9) | 25.68 (3.5) |
All values shown are mean (sd). Pair-wise comparisons: *LP older than HP, p < 0.005; Education code: 1–5, 1 = did not finish high school, 5 = post-graduate. §HP more education than LP, p < 0.01. ‡LP lower than MP and HP, both comparisons p < 0.001. All other comparisons p > 0.05.
