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Percentage of individuals showing early cognitive impairment by 5‐year age band
| Age band (years) | % Showing early cognitive impairment on total score |
|---|---|
| 30 and under | 8.4 |
| 31–35 | 3.8 |
| 36–40 | 12.2 |
| 41–45 | 15.9 |
| 46–50 | 32.0 |
| 51–55 | 21.6 |
| 56–60 | 20 |
| 61 and over | 47.6 |
| All participants | 19.1 |
